Impaired Waters and TMDLs in Region 10
EPA Region 10 serves Alaska, Idaho, Oregon, Washington and 271 native tribes.
On this page:
- Recent actions
- Find TMDLs and impaired waters
- State impaired waters programs
- State TMDL programs
- Contacts
Recent actions
- Partial approval/partial disapproval of Oregon's 2012 303(d) list
- Approval of Washington's 2012 303(d) list
Find TMDLs (Total Maximum Daily Load) and Impaired Waters
Search our Assessment and TMDL Tracking and Implementation System (ATTAINS) for TMDLs and impaired waters in Region 10.
State Impaired Waters Programs
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State TMDL Programs
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