in 1970, a series of public policies were created to help reduce the effects of air and water pollution on…

in 1970, a series of public policies were created to help reduce the effects of air and water pollution on the environment. one policy was the clean water act.\nthe clean water act (cwa) establishes the basic structure for regulating discharges of pollutants into the waters of the united states and regulating quality standards for surface waters...\nunder the cwa, the environmental protection agency (epa) has implemented pollution control programs such as setting wastewater standards for industry. we have also set water quality standards for all contaminants in surface waters.\nthe cwa made it unlawful to discharge any pollutant from a point source into navigable waters, unless a permit was obtained.... point sources are discrete conveyances such as pipes or man - made ditches.\n- \summary of the clean water act,\ us environmental protection agency (epa)\naccording to this passage, which scenario would be in violation of the cwa?\nan oil refinery directly channels chemical wastewater into surrounding man - made ditches.\nbuilders construct a landfill that uses liners to reduce wastewater from seeping into the ground.\na water quality expert at a lake records the level of a toxic chemical below current standards.\na paper mill factory gets permission to release an approved amount of discharge into a stream.

in 1970, a series of public policies were created to help reduce the effects of air and water pollution on the environment. one policy was the clean water act.\nthe clean water act (cwa) establishes the basic structure for regulating discharges of pollutants into the waters of the united states and regulating quality standards for surface waters...\nunder the cwa, the environmental protection agency (epa) has implemented pollution control programs such as setting wastewater standards for industry. we have also set water quality standards for all contaminants in surface waters.\nthe cwa made it unlawful to discharge any pollutant from a point source into navigable waters, unless a permit was obtained.... point sources are discrete conveyances such as pipes or man - made ditches.\n- \summary of the clean water act,\ us environmental protection agency (epa)\naccording to this passage, which scenario would be in violation of the cwa?\nan oil refinery directly channels chemical wastewater into surrounding man - made ditches.\nbuilders construct a landfill that uses liners to reduce wastewater from seeping into the ground.\na water quality expert at a lake records the level of a toxic chemical below current standards.\na paper mill factory gets permission to release an approved amount of discharge into a stream.

Answer

Brief Explanations:

The Clean Water Act (CWA) prohibits the discharge of pollutants from point sources (like man - made ditches) into navigable waters without a permit. The oil refinery's direct channeling of chemical wastewater into man - made ditches (a point source) without proper authorization would violate the CWA. The landfill with liners is preventing wastewater seepage (good practice), the water quality expert recording below - standard toxic chemical levels is not a violation (it's recording, not discharging), and the paper mill with permission is compliant.

Answer:

An oil refinery directly channels chemical wastewater into surrounding man - made ditches.