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Water: Module 2

Water Quality Standards and Criteria: Basic Course: Key Concepts (Module 2.j)

Designated Uses: Specify Appropriate Uses

Module 2. Designated Uses

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Consideration #1
Use designations that are consistent with Sections 101(a) and 303(c) of the CWA (40 CFR 131.6(a)).
Consideration #2
"Rebuttable presumption" presumes protection and propagation of fish, shellfish, and wildlife and recreation in and on the water are attainable, unless otherwise demonstrated consistent with 131.10(g).
Consideration #3
Ensure protection of public health and welfare (Section 303(c)).
Consideration #4
Consider the use and value of the water for uses listed in Section 303(c)(2).

A water body's designated uses must include those uses that are "minimally" attainable:

  • By implementing effluent limits required under sections 301(b) and 306 of the Act.
  • By implementing cost-effective and reasonable best management practices for non-point source control.
  • Performance standards for particular industrial sources.
Learn More. Other use characteristics to specify. Proceed to the Learn More Topic. » (Note: This link launches a pop-up window.)

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

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