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Regional Stormwater
Management Program
128 N 2nd St, Yakima Washington 98901 - Phone: (509) 574-2300 - Toll Free In State (800) 572-7354 - Fax: (509) 574-2301
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  • Stormwater Policy Group
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  • Manual
  • Illicit Discharges
  • Training Opportunities
  • Permits and Regulations
  • Stormwater Utilities
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  • FAQs
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Regional Stormwater Management Program

To comply with the Eastern Washington Phase II Municipal Stormwater Permit issued by the Washington Department of Ecology, all regulated municipalities must develop and implement a Stormwater Management Program. Full implementation of a stormwater program is required by August 16, 2011.  The program must include the following Program Elements, known as the “6+2” requirements.

  • Public Education and Outreach
  • Public Involvement and Participation
  • Illicit Discharge Detection and Elimination
  • Construction Site Stormwater Runoff Control
  • Post-Construction Stormwater Management for New Development and Redevelopment
  • Pollution Prevention and Good Housekeeping for Municipal Operations
  • Compliance with TMDL Requirements
  • Monitoring and Program Evaluation

PDF Documents

  • Regional Stormwater Management Program (RSWMP) (2.3 MB)
  • NPDES Phase II Stormwater Permit Dates
  • Year 1 Annual Report (5 MB)
  • Year 2 Annual Report
    • Sunnyside
    • Union Gap
    • Yakima
    • Yakima County

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  If you have questions regarding the content of the site call (509)574-2300.
If you have any questions regarding this web site please e-mail webmaster@co.yakima.wa.us.