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Water: State, Tribal & Territorial Standards

Repository of Documents: Iowa

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Section 1: Title IV, Chapter 60, Wastewater Treatment and Disposal (PDF) (12 pp, 950K)
Section 2: Chapter 61, Water Quality Standards (PDF) (25 pp, 307K)
(Effective January 5, 2012) Surface water quality standards for waters of the state.  Please note that not all provisions are effective for Clean Water Act purposes (see cover sheet for more info).
Surface Water Classifications (PDF) (115 pp, 1.8MB)
(Effective January 5, 2012)
Section 3: Modifications to Chapter IV - Basin Plan Support Document (PDF) (98 pp, 3.2MB)

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