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172 relations: Acer negundo, Acer rubrum, Acer saccharinum, Agriculture, Alkali, Amaranthus cannabinus, American eel, Ammonia, Anseriformes, Appalachian Mountains, Armor (hydrology), Atlantic coastal plain, Atmospheric pressure, Baccharis halimifolia, Baltimore and Ohio Railroad, Bidens bidentoides, Bidens laevis, Biomedical waste, Border, Boron, Brown trout, Calcium, Canoe, Carbon dioxide, Channel (geography), Chester County, Pennsylvania, Chloride, Cobbs Creek, Cornus amomum, Crum Creek, Cyperaceae, Dam, Darby, Pennsylvania, Delaware Bay, Delaware County Daily Times, Delaware County, Pennsylvania, Delaware River, Demolition waste, Discharge (hydrology), Drainage basin, Electrical resistivity and conductivity, Electrofishing, Eleocharis obtusa, Eleocharis parvula, Estuary, Fish, Fish stocking, Floodplain, Fluoride, Gabbro, ..., Geographic Names Information System, Gneiss, Golf club, Granodiorite, Gulf Oil, Hard water, Hermesprota Creek, Herpetology, Hurricane Floyd, Hybognathus, Interstate 476, Interstate 95, Introduced species, Invertebrate, Iron, Ithan Creek, Johan Björnsson Printz, John Bartram, John Heinz National Wildlife Refuge at Tinicum, Landfill, Lansdowne, Pennsylvania, Lenape, List of rivers of Pennsylvania, List of rock formations, List of Rosa species, Little Darby Creek (Pennsylvania), Magnesium, Main stem, Manganese, Marple Township, Delaware County, Pennsylvania, Meander, Mosquito control, Muckinipattis Creek, Mudflat, Mudstone, Mummichog, Municipal solid waste, Mussel, National Wildlife Refuge, New Sweden, Nitrate, Nitrogen, Nonpoint source, Oxygen saturation, Pennsylvania, Pennsylvania Code, Pennsylvania Department of Conservation and Natural Resources, Pennsylvania Department of Environmental Protection, Pennsylvania Fish and Boat Commission, Pennsylvania Natural Heritage Program, Pennsylvania Railroad, Pennsylvania Route 3, Periphyton, PH, Philadelphia, Philadelphia County, Pennsylvania, Philadelphia, Baltimore and Washington Railroad, Phosphoric acids and phosphates, Phosphorus, Phytolacca americana, Pluchea odorata, Poaceae, Potassium, Precambrian, Prospect Park, Pennsylvania, Quaternary, Rainbow trout, Redbreast sunfish, Ridley Park, Pennsylvania, Riffle, Riparian buffer, Riprap, River mile, River mouth, River source, Rock bass, Sagittaria montevidensis, Sagittaria subulata, Salix nigra, Sambucus, Sandstone, Schist, Schuylkill River, Scirpus fluviatilis, Sea level, Siemens (unit), Silicon dioxide, Siltation, Sinuosity, Smallmouth bass, Sodium, Springfield Township, Delaware County, Pennsylvania, Storm drain, Storm surge, Stream gauge, Striped bass, Sulfate, Superfund, Tertiary, The Philadelphia Inquirer, Tide, Tributary, U.S. Route 1, U.S. Route 13, U.S. Route 30, United States Army Corps of Engineers, United States Environmental Protection Agency, United States Fish and Wildlife Service, United States Geological Survey, Upper Darby Township, Delaware County, Pennsylvania, Urban runoff, Water quality, Watermill, Wetland, White perch, White-tailed deer, Whitewater, Wild rice, William Penn, Wissahickon Formation, Works Progress Administration, World War II. Expand index (122 more) »
Acer negundo
Acer negundo is a species of maple native to North America.
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Acer rubrum
Acer rubrum, the red maple, also known as swamp, water or soft maple, is one of the most common and widespread deciduous trees of eastern and central North America.
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Acer saccharinum
Acer saccharinum, commonly known as silver maple, creek maple, silverleaf maple, soft maple, large maple, water maple, swamp maple, or white maple—is a species of maple native to eastern and central North America in the eastern United States and Canada.
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Agriculture
Agriculture is the cultivation of land and breeding of animals and plants to provide food, fiber, medicinal plants and other products to sustain and enhance life.
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Alkali
In chemistry, an alkali (from Arabic: al-qaly “ashes of the saltwort”) is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element.
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Amaranthus cannabinus
Amaranthus cannabinus is a plant species also known as salt marsh water hemp or salt marsh pigweed.
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American eel
The American eel (Anguilla rostrata) is a facultative catadromous fish found on the eastern coast of North America.
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Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
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Anseriformes
Anseriformes is an order of birds that comprise about 180 living species in three families: Anhimidae (the screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which includes over 170 species of waterfowl, among them the ducks, geese, and swans.
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Appalachian Mountains
The Appalachian Mountains (les Appalaches), often called the Appalachians, are a system of mountains in eastern North America.
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Armor (hydrology)
In hydrology and geography, armor is the association of surface pebbles, rocks or boulders with stream beds or beaches.
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Atlantic coastal plain
The Atlantic coastal plain is a physiographic region of low relief along the East Coast of the United States.
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Atmospheric pressure
Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).
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Baccharis halimifolia
Baccharis halimifolia is a North American species of shrubs in the daisy family.
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Baltimore and Ohio Railroad
The Baltimore and Ohio Railroad was the first common carrier railroad and the oldest railroad in the United States, with its first section opening in 1830.
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Bidens bidentoides
Bidens bidentoides is an uncommon North American species of flowering plant in the daisy family.
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Bidens laevis
Bidens laevis is a species of flowering plant in the daisy family known by the common names larger bur-marigold and smooth beggarticks.
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Biomedical waste
Biomedical waste is any kind of waste containing infectious (or potentially infectious) materials.
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Border
Borders are geographic boundaries of political entities or legal jurisdictions, such as governments, sovereign states, federated states, and other subnational entities.
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Boron
Boron is a chemical element with symbol B and atomic number 5.
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Brown trout
The brown trout (Salmo trutta) is a European species of salmonid fish that has been widely introduced into suitable environments globally.
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Calcium
Calcium is a chemical element with symbol Ca and atomic number 20.
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Canoe
A canoe is a lightweight narrow vessel, typically pointed at both ends and open on top, propelled by one or more seated or kneeling paddlers facing the direction of travel using a single-bladed paddle.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Channel (geography)
In physical geography, a channel is a type of landform consisting of the outline of a path of relatively shallow and narrow body of fluid, most commonly the confine of a river, river delta or strait.
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Chester County, Pennsylvania
Chester County (Chesco) is a county in the U.S. state of Pennsylvania.
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Chloride
The chloride ion is the anion (negatively charged ion) Cl−.
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Cobbs Creek
Cobbs Creek is an U.S. Geological Survey.
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Cornus amomum
Cornus amomum, the silky dogwood or kinnikinnik, is a species of dogwood native to eastern North America, from Ontario and Quebec south to Arkansas and Georgia.
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Crum Creek
Crum Creek (from the Dutch, meaning "crooked creek") is a creek in Delaware County and Chester County, Pennsylvania, flowing approximately, generally in a southward direction and draining into the Delaware River in Eddystone, Pennsylvania.
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Cyperaceae
The Cyperaceae are a family of monocotyledonous graminoid flowering plants known as sedges, which superficially resemble grasses and rushes.
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Dam
A dam is a barrier that stops or restricts the flow of water or underground streams.
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Darby, Pennsylvania
Darby is a borough in Delaware County, Pennsylvania, United States, along Darby Creek southwest of downtown Philadelphia.
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Delaware Bay
Delaware Bay is the estuary outlet of the Delaware River on the Northeast seaboard of the United States.
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Delaware County Daily Times
The Delaware County Daily Times is a daily newspaper published in the Primos section of Upper Darby Township, Pennsylvania in the United States.
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Delaware County, Pennsylvania
Delaware County, colloquially referred to as Delco, is a county located in the U.S. state of Pennsylvania.
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Delaware River
The Delaware River is a major river on the Atlantic coast of the United States.
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Demolition waste
Demolition waste is waste debris from destruction of buildings, roads, bridges, or other structures.
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Discharge (hydrology)
In hydrology, discharge is the volumetric flow rate of water that is transported through a given cross-sectional area.
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Drainage basin
A drainage basin is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water.
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Electrical resistivity and conductivity
Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.
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Electrofishing
Electrofishing uses direct current electricity flowing between a submerged cathode and anode.
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Eleocharis obtusa
Eleocharis obtusa is a species of spikesedge known by the common name blunt spikerush.
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Eleocharis parvula
Eleocharis parvula is a species of spikesedge known by the common names dwarf spikerush, small spikerush and hairgrass in aquaria.
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Estuary
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.
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Fish
Fish are gill-bearing aquatic craniate animals that lack limbs with digits.
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Fish stocking
Fish stocking is the practice of raising fish in a hatchery and releasing them into a river, lake, or the ocean to supplement existing populations, or to create a population where none exists.
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Floodplain
A floodplain or flood plain is an area of land adjacent to a stream or river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.
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Fluoride
Fluoride.
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Gabbro
Gabbro refers to a large group of dark, often phaneritic (coarse-grained), mafic intrusive igneous rocks chemically equivalent to basalt, being its coarse-grained analogue.
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Geographic Names Information System
The Geographic Names Information System (GNIS) is a database that contains name and locative information about more than two million physical and cultural features located throughout the United States of America and its territories.
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Gneiss
Gneiss is a common distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks.
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Golf club
A golf club is a club used to hit a golf ball in a game of golf.
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Granodiorite
Granodiorite is a phaneritic-textured intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar.
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Gulf Oil
Gulf Oil was a major global oil company from 1901 to 1981.
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Hard water
Hard water is water that has high mineral content (in contrast with "soft water").
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Hermesprota Creek
Hermesprota Creek is a tributary of Darby Creek in Collingdale, Sharon Hill, Darby Township, and Folcroft in Delaware County, Pennsylvania.
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Herpetology
Herpetology (from Greek "herpein" meaning "to creep") is the branch of zoology concerned with the study of amphibians (including frogs, toads, salamanders, newts, and caecilians (gymnophiona)) and reptiles (including snakes, lizards, amphisbaenids, turtles, terrapins, tortoises, crocodilians, and the tuataras).
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Hurricane Floyd
Hurricane Floyd was a very powerful Cape Verde hurricane which struck the east coast of the United States.
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Hybognathus
Hybognathus is a genus of ray-finned fish in the Cyprinidae family.
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Interstate 476
Interstate 476 (I-476) is a auxiliary Interstate Highway in the U.S. state of Pennsylvania designated between Interstate 95 near Chester and Interstate 81 near Scranton, serving as the primary north–south Interstate corridor through eastern Pennsylvania.
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Interstate 95
Interstate 95 (I-95) is the main Interstate Highway on the East Coast of the United States, running largely parallel to the Atlantic Ocean coast and U.S. Highway 1, serving areas from Florida to Maine.
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Introduced species
An introduced species (alien species, exotic species, non-indigenous species, or non-native species) is a species living outside its native distributional range, which has arrived there by human activity, either deliberate or accidental.
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Invertebrate
Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a backbone or spine), derived from the notochord.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Ithan Creek
Ithan Creek (also known as Ithan Run) is a tributary of Darby Creek in Delaware County, Pennsylvania, in the United States.
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Johan Björnsson Printz
Johan Björnsson Printz (July 20, 1592 – May 3, 1663) was governor from 1643 until 1653 of the Swedish colony of New Sweden on the Delaware River in North America.
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John Bartram
John Bartram (March 23, 1699 – September 22, 1777) was an early American botanist, horticulturist and explorer.
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John Heinz National Wildlife Refuge at Tinicum
The John Heinz National Wildlife Refuge at Tinicum is a 1000-acre (4.05 km2) National Wildlife Refuge spanning Philadelphia and Delaware counties in Pennsylvania.
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Landfill
A landfill site (also known as a tip, dump, rubbish dump, garbage dump or dumping ground and historically as a midden) is a site for the disposal of waste materials by burial.
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Lansdowne, Pennsylvania
Lansdowne is a borough in Delaware County, Pennsylvania, United States located southwest of the City Center of Philadelphia.
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Lenape
The Lenape, also called the Leni Lenape, Lenni Lenape and Delaware people, are an indigenous people of the Northeastern Woodlands, who live in Canada and the United States.
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List of rivers of Pennsylvania
This is a list of streams and rivers in the U.S. state of Pennsylvania.
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List of rock formations
A rock formation is an isolated, scenic, or spectacular surface rock outcrop.
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List of Rosa species
There is significant disagreement over the number of true rose species.
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Little Darby Creek (Pennsylvania)
Little Darby Creek is a tributary of Darby Creek in Delaware County, Pennsylvania, in the United States.
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Magnesium
Magnesium is a chemical element with symbol Mg and atomic number 12.
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Main stem
In hydrology, a main stem (or trunk) is "the primary downstream segment of a river, as contrasted to its tributaries".
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Manganese
Manganese is a chemical element with symbol Mn and atomic number 25.
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Marple Township, Delaware County, Pennsylvania
Marple Township is a township in Delaware County, Pennsylvania, United States.
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Meander
A meander is one of a series of regular sinuous curves, bends, loops, turns, or windings in the channel of a river, stream, or other watercourse.
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Mosquito control
Mosquito control manages the population of mosquitoes to reduce their damage to human health, economies, and enjoyment.
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Muckinipattis Creek
Muckinipattis Creek or Muckinipates Creek is a U.S. Geological Survey.
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Mudflat
Mudflats or mud flats, also known as tidal flats, are coastal wetlands that form when mud is deposited by tides or rivers.
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Mudstone
Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds.
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Mummichog
The mummichog (Fundulus heteroclitus) is a small killifish found along the Atlantic coast of the United States and Canada.
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Municipal solid waste
Municipal solid waste (MSW), commonly known as trash or garbage in the United States and rubbish in Britain, is a waste type consisting of everyday items that are discarded by the public.
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Mussel
Mussel is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats.
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National Wildlife Refuge
National Wildlife Refuge System is a designation for certain protected areas of the United States managed by the United States Fish and Wildlife Service.
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New Sweden
New Sweden (Swedish: Nya Sverige; Uusi Ruotsi; Nova Svecia) was a Swedish colony along the lower reaches of the Delaware River in North America from 1638 to 1655, established during the Thirty Years' War, when Sweden was a great power.
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Nitrate
Nitrate is a polyatomic ion with the molecular formula and a molecular mass of 62.0049 u.
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Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
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Nonpoint source
Nonpoint source, or non-point source, or NPS, is a source that does not come from a single point.
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Oxygen saturation
Oxygen saturation (symbol SO2) is a relative measure of the concentration of oxygen that is dissolved or carried in a given medium as a proportion of the maximal concentration that can be dissolved in that medium.
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Pennsylvania
Pennsylvania (Pennsylvania German: Pennsylvaani or Pennsilfaani), officially the Commonwealth of Pennsylvania, is a state located in the northeastern and Mid-Atlantic regions of the United States.
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Pennsylvania Code
The Pennsylvania Code is a publication of the Commonwealth of Pennsylvania, listing all rules, regulations, and other administrative documents from the Government of Pennsylvania.
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Pennsylvania Department of Conservation and Natural Resources
The Pennsylvania Department of Conservation and Natural Resources (DCNR), established on July 1, 1995, is the agency in the U.S. State of Pennsylvania responsible for maintaining and preserving the state's 121 state parks and 20 state forests; providing information on the state's natural resources; and working with communities to benefit local recreation and natural areas.
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Pennsylvania Department of Environmental Protection
The Pennsylvania Department of Environmental Protection (DEP) is the agency in the U.S. state of Pennsylvania responsible for protecting and preserving the land, air, water, and public health through enforcement of the state's environmental laws.
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Pennsylvania Fish and Boat Commission
The Pennsylvania Fish and Boat Commission is the state agency responsible for the regulation of all fishing and boating in the Commonwealth of Pennsylvania.
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Pennsylvania Natural Heritage Program
Founded in 1982, the Pennsylvania Natural Heritage Program (PHNP) gathers and manages information regarding the status and location of the Commonwealth of Pennsylvania’s rare species and habitats and native natural communities.
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Pennsylvania Railroad
The Pennsylvania Railroad (or Pennsylvania Railroad Company and also known as the "Pennsy") was an American Class I railroad that was established in 1846 and was headquartered in Philadelphia, Pennsylvania.
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Pennsylvania Route 3
Pennsylvania Route 3 (PA 3) is a state highway located in the southeastern portion of Pennsylvania.
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Periphyton
Periphyton is a complex mixture of algae, cyanobacteria, heterotrophic microbes, and detritus that is attached to submerged surfaces in most aquatic ecosystems.
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PH
In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.
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Philadelphia
Philadelphia is the largest city in the U.S. state and Commonwealth of Pennsylvania, and the sixth-most populous U.S. city, with a 2017 census-estimated population of 1,580,863.
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Philadelphia County, Pennsylvania
Philadelphia County is the most populous county in the U.S. state and Commonwealth of Pennsylvania. As of 2017, Philadelphia County was home to an estimated population of 1,580,863 residents. The county is the second smallest county in Pennsylvania by land area. Philadelphia County is one of the three original counties, along with Chester and Bucks counties, created by William Penn during November 1682. Since 1854, the county has been coterminous with the City of Philadelphia, which also serves as its seat of government. Philadelphia County is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (Combined Statistical Area, known as the Delaware Valley, located along the lower Delaware and Schuylkill Rivers, within the Northeast megalopolis. Philadelphia County is the economic and cultural anchor of the Delaware Valley, the eighth-largest combined statistical area in the United States, with a population of 7.2 million.
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Philadelphia, Baltimore and Washington Railroad
The Philadelphia, Baltimore and Washington Railroad (PB&W) was a railroad that operated in Pennsylvania, Delaware, Maryland, and the District of Columbia in the 20th century, and was a key component of the Pennsylvania Railroad (PRR) system.
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Phosphoric acids and phosphates
There are various kinds of phosphoric acids and phosphates.
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Phosphorus
Phosphorus is a chemical element with symbol P and atomic number 15.
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Phytolacca americana
Phytolacca americana, the American pokeweed or simply pokeweed, is a herbaceous perennial plant in the pokeweed family Phytolaccaceae growing up to in height.
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Pluchea odorata
Pluchea odorata is a species of flowering plant in the aster family, Asteraceae.
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Poaceae
Poaceae or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants known as grasses, commonly referred to collectively as grass.
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Potassium
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
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Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pЄ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon.
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Prospect Park, Pennsylvania
Prospect Park is a borough in Delaware County, Pennsylvania, United States.
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Quaternary
Quaternary is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS).
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Rainbow trout
The rainbow trout (Oncorhynchus mykiss) is a trout and species of salmonid native to cold-water tributaries of the Pacific Ocean in Asia and North America.
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Redbreast sunfish
The redbreast sunfish (Lepomis auritus) is a species of freshwater fish in the sunfish family (family Centrarchidae) of order Perciformes.
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Ridley Park, Pennsylvania
Ridley Park is a borough in Delaware County, Pennsylvania, United States.
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Riffle
A riffle is a shallow landform in a flowing channel, and it has specific topographic, sedimentary, and hydraulic indicators.
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Riparian buffer
A riparian buffer or stream buffer is a vegetated area (a "buffer strip") near a stream, usually forested, which helps shade and partially protect the stream from the impact of adjacent land uses.
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Riprap
Riprap, also known as rip rap, rip-rap, shot rock, rock armor or rubble, is rock or other material used to armor shorelines, streambeds, bridge abutments, pilings and other shoreline structures against scour and water or ice erosion.
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River mile
In the United States, a river mile is a measure of distance in miles along a river from its mouth.
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River mouth
A river mouth is the part of a river where the river flows into another river, a lake, a reservoir, a sea, or an ocean.
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River source
The source or headwaters of a river or stream is the furthest place in that river or stream from its estuary or confluence with another river, as measured along the course of the river.
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Rock bass
The rock bass (Ambloplites rupestris), also known as the rock perch, goggle-eye, red eye, is a fresh water fish native to east-central North America.
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Sagittaria montevidensis
Sagittaria montevidensis is a species of flowering plant in the water-plantain family Alismataceae.
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Sagittaria subulata
Sagittaria subulata, the awl-leaf arrowhead, narrow-leaved arrowhead or dwarf sagittaria, is an aquatic plant species that grows primarily in shallow brackish water along the seacoast, in marshes, estuaries, etc.
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Salix nigra
Salix nigra, the black willow, is a species of willow native to eastern North America, from New Brunswick and southern Ontario west to Minnesota, and south to northern Florida and Texas.
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Sambucus
Sambucus is a genus of flowering plants in the family Adoxaceae.
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Sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) mineral particles or rock fragments.
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Schist
Schist (pronounced) is a medium-grade metamorphic rock with medium to large, flat, sheet-like grains in a preferred orientation (nearby grains are roughly parallel).
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Schuylkill River
The Schuylkill River is an important river running northwest to southeast in eastern Pennsylvania, which was improved by navigations into the Schuylkill Canal.
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Scirpus fluviatilis
Scirpus fluviatilis (syn. Bolboschoenus fluviatilis, Schoenoplectus fluviatilis) is a species of flowering plant in the Cyperaceae family.
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Sea level
Mean sea level (MSL) (often shortened to sea level) is an average level of the surface of one or more of Earth's oceans from which heights such as elevations may be measured.
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Siemens (unit)
The siemens (symbol: S) is the derived unit of electric conductance, electric susceptance and electric admittance in the International System of Units (SI).
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Silicon dioxide
Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.
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Siltation
Siltation or siltification is the pollution of water by particulate terrestrial clastic material, with a particle size dominated by silt or clay.
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Sinuosity
Sinuosity, sinuosity index, or sinuosity coefficient of a continuously differentiable curve having at least one inflection point is the ratio of the curvilinear length (along the curve) and the Euclidean distance (straight line) between the end points of the curve.
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Smallmouth bass
The smallmouth bass (Micropterus dolomieu) is a species of freshwater fish in the sunfish family (Centrarchidae) of the order Perciformes.
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Sodium
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
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Springfield Township, Delaware County, Pennsylvania
Springfield Township, or simply Springfield, is a township in Delaware County in the U.S. state of Pennsylvania.
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Storm drain
A storm drain, storm sewer (U.S. and Canada), surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is designed to drain excess rain and ground water from impervious surfaces such as paved streets, car parks, parking lots, footpaths, sidewalks, and roofs.
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Storm surge
A storm surge, storm flood or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low pressure weather systems (such as tropical cyclones and strong extratropical cyclones), the severity of which is affected by the shallowness and orientation of the water body relative to storm path, as well as the timing of tides.
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Stream gauge
A stream gauge, streamgage or gauging station is a location used by hydrologists or environmental scientists to monitor and test terrestrial bodies of water.
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Striped bass
The striped bass (Morone saxatilis), also called Atlantic striped bass, striper, linesider, rock or rockfish, is an anadromous Perciforme fish of the family Moronidae found primarily along the Atlantic coast of North America.
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Sulfate
The sulfate or sulphate (see spelling differences) ion is a polyatomic anion with the empirical formula.
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Superfund
Superfund is a United States federal government program designed to fund the cleanup of sites contaminated with hazardous substances and pollutants.
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Tertiary
Tertiary is the former term for the geologic period from 65 million to 2.58 million years ago, a timespan that occurs between the superseded Secondary period and the Quaternary.
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The Philadelphia Inquirer
The Philadelphia Inquirer is a morning daily newspaper that serves the Philadelphia metropolitan area of the United States.
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Tide
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of Earth.
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Tributary
A tributary or affluent is a stream or river that flows into a larger stream or main stem (or parent) river or a lake.
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U.S. Route 1
U.S. Route 1 (US 1) is a major north–south U.S. Highway that serves the East Coast of the United States.
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U.S. Route 13
U.S. Route 13 (US 13) is a north–south U.S. highway established in 1926 that runs for from Interstate 95 just north of Fayetteville, North Carolina to the northeastern suburbs of Philadelphia, Pennsylvania, in Morrisville.
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U.S. Route 30
U.S. Route 30 (US 30) is an east–west main route of the system of United States Numbered Highways, with the highway traveling across the northern tier of the country.
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United States Army Corps of Engineers
The United States Army Corps of Engineers (USACE) is a U.S. federal agency under the Department of Defense and a major Army command made up of some 37,000 civilian and military personnel, making it one of the world's largest public engineering, design, and construction management agencies.
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United States Environmental Protection Agency
The Environmental Protection Agency is an independent agency of the United States federal government for environmental protection.
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United States Fish and Wildlife Service
The United States Fish and Wildlife Service (USFWS or FWS) is an agency of the federal government within the U.S. Department of the Interior dedicated to the management of fish, wildlife, and natural habitats.
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United States Geological Survey
The United States Geological Survey (USGS, formerly simply Geological Survey) is a scientific agency of the United States government.
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Upper Darby Township, Delaware County, Pennsylvania
Upper Darby Township (often shortened to simply Upper Darby) is a home rule township bordering Philadelphia in Delaware County, Pennsylvania, United States.
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Urban runoff
Urban runoff is surface runoff of rainwater created by urbanization.
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Water quality
Water quality refers to the chemical, physical, biological, and radiological characteristics of water.
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Watermill
A watermill or water mill is a mill that uses hydropower.
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Wetland
A wetland is a land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem.
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White perch
The white perch (Morone americana) is not a true perch but is, rather, a fish of the temperate bass family, Moronidae, notable as a food and game fish in eastern North America.
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White-tailed deer
The white-tailed deer (Odocoileus virginianus), also known as the whitetail or Virginia deer, is a medium-sized deer native to the United States, Canada, Mexico, Central America, and South America as far south as Peru and Bolivia.
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Whitewater
Whitewater is formed in a rapid, when a river's gradient increases enough to create so much turbulence that air is entrained into the water body, that is, it forms a bubbly or aerated and unstable current; the frothy water appears white.
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Wild rice
Wild rice (Ojibwe: Manoomin, Sanskrit: 'नीवार', IAST:; also called Canada rice, Indian rice, and water oats) are four species of grasses forming the genus Zizania, and the grain that can be harvested from them.
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William Penn
William Penn (14 October 1644 – 30 July 1718) was the son of Sir William Penn, and was an English real estate entrepreneur, philosopher, early Quaker, and founder of the English North American colony the Province of Pennsylvania.
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Wissahickon Formation
The Wissahickon Formation is a mapped bedrock unit in Pennsylvania, New Jersey, and Delaware.
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Works Progress Administration
The Works Progress Administration (WPA; renamed in 1939 as the Work Projects Administration) was the largest and most ambitious American New Deal agency, employing millions of people (mostly unskilled men) to carry out public works projects, including the construction of public buildings and roads.
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World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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Redirects here:
Darby Creek, PA, Darby Creek, Pennsylvania.
References
[1] https://en.wikipedia.org/wiki/Darby_Creek_(Pennsylvania)
