IA DNR: Water Quality Standards

Iowa DNR, Water Quality Standards

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Water Quality Standards

Antidegradation

Chemical Criteria

Protected Flow, General Use, Rebuttable Presumption

Recreational Use Protocol

Total Dissolved Solids (TDS) and Sulfate

Use Assessment and Attainability Analysis

General Information

Specific Water Quality Criteria

Surface Waters and Groundwater

Summary of Protected Uses for Surface Waters

Iowa Administrative Code (IAC) - EPC [567]

Chapter 61: Water Quality Standards,*.pdf

EPA's Water Quality Standards Program (off-site)

Rule Reference Documents

Warm Water Stream Use Designation Protocol, updated March 22, 2006 (*.pdf file)
Aquatic Life Assessment Field Data Sheet (*.pdf file)
Habitat Evaluation (*.pdf file)
New Surface Water Classification - Effective March 22, 2006 (*.pdf file)
Cold Water Protocol - Effective December 15, 2004 (*.pdf file)
Basin Plan Support Document – Introduction (*.pdf file)
Basin Plan Support Document – Wasteload Allocations
- Part 1, Part 2 (*.pdf files)
Basin Plan Support Document – Modeling (*.pdf file)
Basin Plan Support Document – References/Appendix (*.pdf file)

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