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Water: Module 3

Basic Course: Key Concepts (Module 3.h)

Necessary Criteria: Addressing Priority Pollutants

Module 3. Criteria Development

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The Clean Water Act requires states/Tribes to adopt criteria for the so-called priority pollutants identified by an EPA task force (Section 303(c)(2)(b)).

For most of the priority pollutants, EPA has developed water quality criteria to protect human health and aquatic life.

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Video Clip View a 2-minute video clip from the classroom session about EPA and States/Tribes working together on water quality.
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Key Point. States/Tribes are required to adopt criteria for any priority pollutants that are a concern for a particular water body if EPA has developed criteria for those pollutants. However, States/Tribes are not required to adopt EPA's criteria, which are intended to provide guidance for States/Tribes.
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Key Point. If States/Tribes use narrative criteria to address priority pollutants, they must identify how they intend to regulate point sources of the pollutants.
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Learn More. See a list of these priority pollutants (PDF), (1 pp, 39 K, About PDF) as presented in Section 307(a).

Disclaimer:
For informational purposes only–Not official statements of EPA policy.

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