• Eastern Washington Phase II Municipal Stormwater Permit
• Minimum Technical Requirements for New Development and Redevelopment (Appendix 1)
• Best Management Practices for Storm and Surface Water Management by Municipal Research and Services Center of Washington
  

Chelan County:

• Chelan County
• Chelan County IDDE Ordinance 2009 (pdf)
• Stormwater Management for Chelan County - Resolution 2010-18 (pdf)
• Chelan County Construction & Post-Construction Stormwater Runoff Control Program - Resolution 2010-19 (pdf)
  

Douglas County:

• Douglas County
• Douglas County IDDE Ordinance 2009 (pdf)
• Douglas County Construction & Post-Construction Stormwater Ordinance 2010 (pdf)

City of East Wenatchee:

• City of East Wenatchee
• East Wenatchee IDDE Ordinance 2009 (pdf)
• East Wenatchee Construction & Post-Construction Stormwater Ordinance 2010 (pdf)

City of Wenatchee:

• Wenatchee IDDE Ordinance 2009 (pdf)
• Wenatchee Construction & Post-Construction Stormwater Ordinance 2010 (pdf)

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