Sentences with phrase «urban runoff»

"Urban runoff" refers to water that flows over the surfaces in cities and towns, such as streets, rooftops, and sidewalks, collecting pollutants and debris along the way. This runoff can then enter waterways such as rivers or lakes, potentially harming the environment and contaminating the water. Full definition
Experts say careful planning of developments, homes and buildings can alleviate nearly all the contamination from urban runoff.
Most of these problems are caused by urban runoff, sewage water and untreated water from waste water treatment plants.
Heavy downpours can overwhelm New York's antiquated 19th - century sewer systems, the miles of pipes and tunnels that carry away wastewater and, when overtaxed, divert billions of gallons of raw sewage and contaminated urban runoff into the rivers, lakes and the ocean.
By educating community members and professionals on ways to landscape our private and public properties, OFG volunteers are preventing urban runoff from polluting our ocean, waves and beaches.
Biologist Donald Weston of the University of California, Berkeley, looked for the insecticides in urban runoff, sewage treatment plant effluent, and agricultural drains in California's Sacramento - San Joaquin River Delta.
The Board of Public Works Commissioner Paula Daniels, who initially drafted the ordinance last July, explained that the new requirements would prevent over 104 million gallons of polluted urban runoff from ending up in the ocean.»
While water utilities across the country spend more than $ 50 billion a year to treat drinking water, the nation spends $ 207 million a year to protect source waters and prevent pollution from sources such as urban runoff, the study says.
The investigators found that after snow melt, urban runoff returns to being strongly controlled by the proportion of built - up versus vegetated surfaces, which can absorb water.
However, problems like urban runoff and sewer overflows continue to trouble local waterways.
A breakwater built in the 1940s to protect the Long Beach port «traps urban runoff, making the city's water quality among the poorest in the state» and exhaust from the many vehicles operating, and idling, in the harbor area hangs over nearby communities.
Fertilizer and urban runoff into the Mississippi River dump nutrients into the Gulf of Mexico.
The emissions from Sydney Harbour — including from urban runoff, leaf litter, soil decomposition and sewage overflow — were found to be very low compared to the highly polluted estuaries of Europe and Asia, which can emit up to 76,500 car CO2 equivalents each year.
Haverstraw Bay is polluted with contaminated sediments, sewage and urban runoff, and the plant's intakes would be approximately 3.5 - miles from Entergy's Indian Point nuclear power plant, which releases radionuclides to the Hudson.
The pollutants derive from a wealth of sources, including agriculture, factory discharges, consumer products, urban runoff and wastewater treatment plants.
The crevice - filled rock beds are designed to mimic the natural limestone reefs that existed before the rivers connecting lakes Huron and Erie were dredged and blasted to create shipping canals, and before an increased flow of sediments into the system from agricultural and urban runoff.
In contrast, the insecticide sensitivities of H. azteca collected from undeveloped sites beyond the influences of agricultural / urban runoff were similar to those of lab - grown populations.
Investigators have found that H. azteca collected from sites influenced by agricultural / urban runoff are as much as 2 - times less sensitive to pyrethroid insecticides than lab - grown H. azteca.
Blooms are fed largely by nutrients in agricultural and urban runoff.
«Urban runoff is a number one source of ocean pollution no matter where someone lives.
«Urban runoff is that black strip down the middle of the highway.
«Urban runoff is the largest source of oil pollution to the coastal environment.»
We should also get serious about reducing the urban runoff that contributes to flooding, through downspout disconnection, tree planting, green roofs and permeable pavement.
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