Section 22562 - SWRCB -Wastewater Management. (C15: s2562) (California Code of Regulations)

§ 22562. SWRCB -Wastewater Management. (C15: s2562)

(a) Design Storm (for Run-On/Run-Off Control) -Confined animal facilities shall be designed and constructed to retain all facility wastewater generated, together with all precipitation on, and drainage through, manured areas during a 25-year, 24-hour storm.

(b) Manured Area Run-On Exclusion -All precipitation and surface drainage outside of manured areas, including that collected from roofed areas, and runoff from tributary areas during the storm events described in (a), shall be diverted away from manured areas, unless such drainage is fully retained. RWQCBs can waive application of such requirements only in specific instances where upstream land use changes have altered surface drainage patterns such that retention of flood flows is not feasible.

(c) Design Storm (for Flood Protection).

(1) Retention ponds and manured areas at confined animal facilities in operation on or after November 27, 1984, shall be protected from inundation or washout by overflow from any stream channel during 20-year peak stream flows.

(2) Existing facilities that were in operation on-or-before November 27, 1984, and that are protected against 100-year peak stream flows must continue to provide such protection. Facilities, or portions thereof, which begin operating after November 27, 1984, shall be protected against 100-year peak stream flows.

(3) The determination of peak stream flows shall be from data provided by a recognized federal, state, local, or other agency.

(d) Retention Pond Design -Retention ponds shall be lined with, or underlain by, soils which contain at least 10 percent clay and not more than 10 percent gravel or artificial materials of equivalent impermeability.

(e) Discharge To Disposal/Use Fields -The RWQCB shall allow the discharge of facility wastewater and of collected precipitation and drainage waters to use or disposal fields only if such discharge is in accordance with s22563. Absent an NPDES permit for discharge to surface waters, the only other allowable discharge is to wastewater treatment facilities approved by the RWQCB.

(1. New section filed 6-18-97; operative 7-18-97 (Register 97, No. 25). 2. Change without regulatory effect amending subsection (e) filed 3-17-98 pursuant to section 100, title 1, California Code of Regulations (Register 98, No. 12).)

Note: Authority cited: Section 1058, Water Code. Reference: Sections 13172, Water Code; and Section 43103, Public Resources Code.

Disclaimer: Lawrina has made every attempt to ensure the information on this page is accurate, but we cannot guarantee that Section 22562 SWRCB -Wastewater Management. (C15: s2562) is a replica of the current official text. Please use the external links to official resources for the latest version.

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