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Impaired Waters

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The Clean Water Act requires each state to list its polluted waterbodies and to set priorities for cleaning them up. Waterbodies qualify for the “impaired waters list” when they are too polluted or otherwise degraded to support their designated uses. The impaired waters list is also referred to as the “303(d) list,” named after the section in the Act that requires it.

Below are maps show where streams are listed in the Rogue Watershed for the various pollution criteria.  Click on any map to see a full size version.

Alkalinity, Ammonia, pH and Phosphorus

Waters Impaired for Alkalinity, Ammonia, pH and Phosphate in the Rogue Watershed

E. coli and Fecal Coliform

Waters Impaired for E. coli and Fecal Coliform in the Rogue Watershed


Habitat and Flow Modification

Waters Impaired for Modifications to Habitat and Flow in the Rogue Watershed


Iron and Manganese

Waters Impaired for Iron and Manganese in the Rogue Watershed


Temperature and Sedimentation

Waters Impaired for Temperature and Sedimentation in the Rogue Watershed


Aquatic Weeds & Algae, Biological Criteria and Dissolved Oxygen

Waters Impaired for Aquatic Weeds & Algae, Biological Criteria and Dissolved Oxygen in the Rogue Watershed


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