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3732 N. Newton Road, Stockton Page 2 of 3 <br /> SU-2601102 February 17, 2026 <br /> Based on the information provided the EHD concurs with the proposed OWTS design as described in <br /> this report which includes the following highlighted design criteria: <br /> 1. Installation of two (2) 1,500-gallon traffic-rated septic tanks. The location of the eastern septic tank <br /> will be installed at the south end of the proposed office building. The second septic tank will be <br /> installed west of the first tank. <br /> a. Due to the elevation differences, there will be an Anua Champion CPSTEP512 pump installed in <br /> the eastern septic tank's second compartment. It will pump effluent from the first septic tank <br /> (eastern) to the second (western) front compartment of the second tank. The second (western) <br /> septic tank will accept waste from the office restrooms as well. <br /> i. The Anua Champion CPSTEP512 pump will have an audio/visual alarm that must be <br /> inspected prior to use of the septic system. <br /> ii. The second septic tank which will be connected to the Office Building Restrooms must have <br /> the influent line installed as high in elevation as possible to provide for gravity flow into the <br /> septic tank. <br /> 2. Effluent from the second (western) septic tank will flow to a three-hole D-Box with a minimum 5-feet <br /> tight line. <br /> 3. Install the double depth (24-inch drain rock) filter bed with dimensions of 16-feet by 37-feet. The filter <br /> bed will be minimum eight (8) feet from the building. <br /> 4. Install at the end of the filter bed, two (2) three-feet diameter seepage pits with maximum depth of 25 <br /> feet in the location of the engineered plans. Minimum five (5) feet of tight line shall be used to connect <br /> the filter bed to the seepage pits. <br /> 5. Prior to obtaining permits, the EHD requests that a pre-construction meeting be held between the <br /> septic system installer/contractor and Don Chesney Inc. <br /> 6. Obtain an installation permit for the engineered onsite wastewater treatment system (OWTS) from <br /> EHD. Inspection is required before backfilling of OWTS excavations. Request inspection 24 hours in <br /> advance by calling the inspection line (209) 953-7697. (SJC OWTS Standard Section 2). The onsite <br /> inspection shall include but not limited to the following: <br /> a. View the new sewer lines, clean-outs, and connections to the new septic tanks. <br /> b. View the Anua Champion CPSTEP512 pump in the first septic tank and verifying audio/visual <br /> alarm are properly functioning. <br /> c. Verify fall can be achieved from the office restrooms to the second (western) septic tank. <br /> d. The installation of the new septic tanks, tightlines and leachfield. <br /> 7. Shower conditions — the SSNL report took into account for the shower stalls with 10 minute <br /> timers and the design was made accordingly. Any changes will need an addendum to the <br /> report. <br /> 8. It is the owner's responsibility to follow operation and maintenance plan to ensure the system meets <br /> all requirements set forth in the design in conformity with San Joaquin County (OWTS) Standard. <br /> 9. The SSNL report mentions that the property will be supplied by the California Water Service. <br /> NOTE: A will-serve letter that was received and dated November 16, 2022, expired on November <br /> 16, 2024. <br />