Stormwater Document Library
Stormwater Document Library
This page serves as a collection point for Stormwater Program related documents. Select a category below to view associated information.
Check out our interactive GIS resources!
Benton County NPDES Permit and Permit Reports
- DOCUMENT Benton County MS4 Phase II Permit (2019-2023)
- DOCUMENT MS4 General Permit Issuance Letter
- DOCUMENT Oregon DEQ Permit Renewal Application Package and Requirements
- DOCUMENT 2023 Annual Report
- DOCUMENT 2022 Annual Report
- DOCUMENT 2021 Annual Report
Learning Resources on Stormwater Quality
- FLYER Clean Water is Happy Water!
- FLYER Are You Prepared for Stormwater?
- FLYER Stormwater Fall and Winter Tips
- BROCHURE Concrete Washout
- ARTICLE Point and Non-Point Source Water Pollution
- ARTICLE Watersheds
- ARTICLE Pollutants
- ARTICLE Silt Fences
- ARTICLE Storm Drains
- ARTICLE Trash and Litter
- ARTICLE Bioswales
- ARTICLE Low Impact Development & Green Infrastructure
Best Management Practices, Erosion & Sediment Control Manual, Stormwater Management Plan
- DOCUMENT Benton County Stormwater Management Plan (2022)
- DOCUMENT Benton County Best Management Practices (2022)
- DOCUMENT Erosion & Sediment Control Standards and Details (ODOT)
- DOCUMENT Erosion and Sediment Control Manual (ODOT)
- DOCUMENT Benton County Stormwater Design Manual DRAFT 3/2024
Stormwater GIS (Geographic Information System) Resources
- MAP Stormwater Boundary Map
- INTERACTIVE APP Stormwater Education App
- INTERACTIVE APP Public Stormwater App