Riverside County Municipal NPDES Storm Water Permit
Riverside County Municipal NPDES Storm Water Permit - Watershed Action Plan (WAP)
In accordance with Section XII.B of Order No. R8-2010-0033 (MS4 Permit), the Permittees within Riverside County submitted a Watershed Action Plan (WAP) and Hydromodification Management Plan (HMP) on January 29, 2013. The WAP helps to improve integration of water quality, stream protection, storm water management, water conservation and re-use and flood management with land use planning and development processes. The latest revision of the WAP and HMP (January 18, 2017) were approved by the Regional Board in a letter dated April 20, 2017.
On August 15, 2018, Riverside County MS4 Permittees submitted a request to replace Hydromodification Monitoring Plan evaluation monitoring site in the Watershed Action Plan. This request is being posted for public comment for a 30-day period beginning August 22, 2018. Comments should be submitted in writing to Inland Storm Water Unit, 3737 Main Street, Suite 500, Riverside, CA 92501 or by e-mail to email@example.com.
- Santa Ana River WAP and HMP Final (January 18, 2017)
- WAP Approval Letter (April 20, 2017)
- Request for HMP Site Modification (August 15, 2018)
- Approval of HMP Site Modification (October 1, 2018)
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