Allen County Co-Permit Archived Documents & Reports

View Allen County Co-Permit Archived Documents pertaining to the NPDES Phase II Storm Water Quality Program.

  1. 2003 Original Allen County Part C Stormwater Quality Management Plan (PDF)
  2. 2003 Original SWQMP Part B Baseline Characterization Report (PDF)
  3. 2014 SWQMP Part B Baseline Characterization Report Update (PDF)
  4. 2015 Part C Stormwater Quality Management Plan Update (PDF)
  5. Allen County Co-Permit - 2019-2020 IDEM Annual Report of Water Quality Activities (PDF)
  6. Allen County Co-Permit - 2019-2020 Signed IDEM Annual Report Form (PDF)
  7. Allen County Co-Permit - 2022 IDEM Annual Report of Water Quality Activities (PDF)
  8. Allen County Co-Permit - 2022 Signed IDEM Annual Report Form (PDF)