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San Bernardino County WQMP

San Bernardino County WQMP

San Bernardino Water Quality Management Plan (WQMP) Guidance for New Development and Redevelopment Projects. Approved by the Regional Board on April 30, 2004, updated June 9, 2005.*

  • WQMP Guidance (Updated June 9, 2005)
  • WQMP Attachments (Updated June 9, 2005)
  • *  The following sections of the Guidance and Attachments have been updated:

    1. Section 2.3.2.B (Guidance, page 2-5) - Subsections 1.a, b, and c and Table 2-2 have been added to clarify the procedure to determine if a project will create a hydrologic condition of concern.

    2. Section 2.5.3.1(Guidance, page 2-32 and Attachment D, Section A, page D-2) Preferred methodology for flow-based design treatment BMPs has been revised to specify method XIIB3.b.2 of the San Bernardino County MS4 permit using compiled local rainfall data derived from NOAA Atlas 14.  Details of the calculation method have been transferred to Attachment D, Section A.

    3. Section 2.5.3.2(Guidance, page 2-32 and Attachment D, Section A, page D-4)  Preferred methodology for volume-based design treatment BMPs has been revised to specify method XIIB3.a.2 of the San Bernardino County MS4 permit using compiled local rainfall data derived from NOAA Atlas 14.  Details of the calculation method have been transferred to Attachment D, Section A.

    4. Section 2.3.3.C and D (Guidance page 2-8) and  Attachment A (page A-10)  References to "Principal Permittee" were replaced with "San Bernardino County Flood Control District".