The design goals for constructed wetlands range from an exclusive commitment for basic treatment functions to systems which provide advanced treatment and/or combine with enhanced wildlife habitat and public recreational opportunities. The size of the...
EPA has finalized recreational water quality criteria for two cyanotoxins that states can use in developing swimming advisories and water quality standards, raising the acceptable concentrations compared to the Obama administration's proposal, primarily due to new data on the amount of water children ...
Non-discharging, total retention FWS systems have been used in arid parts of the United States where the water is completely lost through a combination of seepage and evapotranspiration. These systems require that attention be paid to the long term accumulation of salts and other substances which m...
Environmental Protection Agency (EPA) regarding the availability of the 2012 Recreational Water Quality Criteria in accordance with the U.S. Clean Water Act. It mentions th... NK Stoner - 《Federal Register》 被引量: 286发表: 2012年 Development of three-dimensional hydrodynamic and water quality...
“To protect drinking water supplies, recreational waters, and aquatic ecosystems, it is essential that we utilize the latest scientific and technological breakthroughs in wastewater treatment,” said Assistant Administrator for Water Radhika Fox. “This plan illustrates one way that EPA is following sci...
' Water Criteria]]>The wastewater utility industry is raising concerns with EPA's water office that the agency's ongoing effort to craft a new type of ambient water quality criteria for recreational waters, based on measuring viruses rather than bacteria, is moving too quickly and will be ...
Method 1669: Sampling Ambient Water for Trace Metals at EPA Water Quality Criteria Levels. January 1996.(NTIS / PB96-193313 or NEPIS / http://www.epa.gov/clariton/clhtml/pubtitleOW.html or CD ROM)EPA 821/R-96-012Method 1631: Mercury in Water by Oxidation, Purge and Trap, and Cold...
Recreational Water Quality Criteria Recreational Water Quality Criteria US Epa 被引量: 285发表: 2012年 Constructed Wetlands for Wastewater Treatment and Wildlife Habitat 184 pages; available for download at the link below. O Us Epa - United States Environmental Protection Agency 被引量: 136发表: ...
•Solids•Oxygen-demandingsubstances•Nitrogenandphosphorus•Pathogens•Petroleumhydrocarbons•Metals•Syntheticorganics.Thesepollutantsdegradewaterqualityinreceivingwatersnearurbanareas,andoftencontributetotheimpairmentofuseandexceedencesofcriteriaincludedinStatewaterqualitystandards.Thequantityofthesepollutantsperunit...
rapid algal and bacterial growth in the Mississippi River, its tributaries, and out into the Gulf of Mexico. The resulting green, orange, or brown scum is a familiar sight throughout the watershed, where it impairs recreational opportunities, fouls drinking water, and creates public health risks...