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The DNR is being told from multiple angles that it has to be better on water quality; ...
A Discharge Monitoring Report (DMR) is a United States regulatory term for a periodic water pollution report prepared by industries, municipalities and other facilities discharging to surface waters. [ 1 ] : 8–14 The facilities collect wastewater samples, conduct chemical and/or biological tests of the samples, and submit reports to a state ...
That’s why for nearly 40 years, the DNR has required large CAFOs to have permits to limit this dangerous pollution. Allowing large dairies to sidestep oversight would have been catastrophic for ...
New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA). The term is used in the Clean Air Act Extension of 1970 (CAA) to refer to air pollution emission standards, and in the Clean Water Act (CWA) referring to standards for water pollution discharges of industrial wastewater to surface waters.
Topsoil runoff from farm, central Iowa (2011). Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and manufacturing industries—although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1]
The DNR conducted testing in 2021 at sites across the state to help determine the cost of enforcing proposed standards for PFAS in drinking, surface and ground water.
A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses." [1]: 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.
The standards will be presented to the Natural Resources Board, which sets policy for the DNR, in the coming months for approval, launching the formal standard-setting process that could take up ...