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GAVIN NEWSOM <br /> GOVERNOR <br /> C 0.LIFORNIA JARED BLUMENFELD <br /> Water Boards a SECRETARY FORO <br /> ENVIRONMENTAL PROTECTION <br /> Central Valley Regional Water Quality Control Board <br /> TO: Robert Busby <br /> Supervising Engineering Geologist <br /> FROM: Scott Armstrong <br /> Senior Engineering Geologist <br /> DATE: 30 March 2021 <br /> APPLICABILITY OF COVERAGE UNDER STATE WATER RESOURCES CONTROL <br /> BOARD ORDER WQ 2014-0153-DWQ; GENERAL WASTE DISCHARGE <br /> REQUIREMENTS FOR SMALL DOMESTIC WASTEWATER TREATMENT <br /> SYSTEMS; STOCKTON VERDE MOBILE HOME PARK, LLC., STOCKTON VERDE <br /> MOBILE HOME PARK WWTF, SAN JOAQUIN COUNTY <br /> On 13 June 2020, Stockton Verde Mobile Home Park (MHP), LLC (hereafter <br /> Discharger) submitted a Report of Waste Discharge requesting to obtain coverage <br /> under the State Water Resources Control Board (State Water Board) General Waste <br /> Discharge Requirements for Small Domestic Wastewater Treatment Systems, Order <br /> WQ 2014-0153-DWQ (General Order). This memorandum provides a summary of the <br /> applicability of this discharge for coverage under the General Order. This Facility <br /> recently replaced the wastewater treatment system which was previously permitted <br /> through San Joaquin County. This NOA is permitting the new treatment system. <br /> FACILITY AND DISCHARGE DESCRIPTION <br /> The WWTF is located at 4900 N. Highway 99 in Stockton, San Joaquin County <br /> (Assessor Parcel Number 087-040-150-000). The WWTF is owned and operated by the <br /> Discharger. The WWTF provides wastewater treatment and disposal service for the <br /> Stockton Verde MHP, which consists of approximately 250 mobile homes. <br /> The recently constructed WWTF consists of a gravity collection system, a lift station <br /> (LS-2), and an extended aeration treatment system. Average daily influent flow is <br /> 23,000 gallons per day (gpd) with peak flows up to 28,000 gpd. Raw wastewater will <br /> flow into the LS-2 via gravity and pumped through a screen prior to entering the <br /> treatment plant. <br /> The WWTF has a design capacity of 35,000 gpd and is comprised of a biological <br /> nutrient removal (BNR) treatment system with membrane bio-reactors (MBRs), a sludge <br /> press, and a backup generator. The biological treatment system consists of anoxic, <br /> aerobic, and MBRs. The MBRs serve as physical separators and secondary clarifiers <br /> KARL E. LONGLEY SCD, P.E., CHAIR I PATRICK PULUPA, ESQ., EXECUTIVE OFFICER <br /> 11020 Sun Center Drive#200, Rancho Cordova, CA 95670 1 www.waterboards.ca.gov/centralvalley <br />