12/5/2023 0 Comments Dep noi lookup![]() ![]() NPDES permits are issued by the EPA or authorized states. ![]() NPDES permits make sure that a state's mandatory standards for clean water and the federal minimums are being met. Some permits, however, do contain certain generic 'best management practices' (such as installing a screen over the pipe to keep debris out of the waterway). The permittee may choose which technologies to use to achieve that level. An NPDES permit will generally specify an acceptable level of a pollutant or pollutant parameter in a discharge (for example, a certain level of bacteria).View a map illustrating the states with full, partial, and no NPDES Authority. NPDES permits are issued by states that have obtained EPA approval to issue permits or by EPA Regions in states without such approval.You should ask the NPDES permitting authority. If you discharge pollutants into a municipal storm sewer system, you may need a permit depending on what you discharge. If you discharge pollutants into a municipal sanitary sewer system, you do not need an NPDES permit, but you should ask the municipality about their permit requirements. If you discharge from a point source into the waters of the United States, you need an NPDES permit. It depends on where you send your pollutants.By law, a pollutant is not sewage from vessels or discharges incidental to the normal operation of an Armed Forces vessel, or certain materials injected into an oil and gas production well. Some examples are dredged soil, solid waste, incinerator residue, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt and industrial, municipal, and agricultural waste. It includes any type of industrial, municipal, and agricultural waste discharged into water. The term pollutant is defined very broadly in the Clean Water Act.By law, agricultural stormwater discharges and return flows from irrigated agriculture are not "point sources." By law, the term "point source" also includes concentrated animal feeding operations, which are places where animals are confined and fed. It also includes vessels or other floating craft from which pollutants are or may be discharged. It means any discernible, confined and discrete conveyance, such as a pipe, ditch, channel, tunnel, conduit, discrete fissure, or container. The term point source is also defined very broadly in the Clean Water Act and it has been through 25 years of litigation.In essence, the permit translates general requirements of the Clean Water Act into specific provisions tailored to the operations of each person discharging pollutants. The permit will contain limits on what you can discharge, monitoring and reporting requirements, and other provisions to ensure that the discharge does not hurt water quality or people's health. The Clean Water Act prohibits anybody from discharging "pollutants" through a "point source" into a "water of the United States" unless they have an NPDES permit.
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