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SR0084581
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4200/4300 - Liquid Waste/Water Well Permits
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SR0084581
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Last modified
2/7/2022 8:15:34 AM
Creation date
2/7/2022 7:55:03 AM
Metadata
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EHD - Public
ProgramCode
4200/4300 - Liquid Waste/Water Well Permits
RECORD_ID
SR0084581
PE
4211
STREET_NUMBER
20135
Direction
E
STREET_NAME
LITTLE JOHN
STREET_TYPE
RD
City
STOCKTON
Zip
95215
APN
18508054
ENTERED_DATE
12/7/2021 12:00:00 AM
SITE_LOCATION
20135 E LITTLE JOHN RD
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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SANJOAQUIN <br />COUNTY <br />°gbFo�N�P Greatness grows here. <br />September 17, 2021 <br />Tracy LaBarber <br />20157 Little John Road <br />Stockton, CA 95215 <br />RE: Soil Suitability/Nitrate Loading Study <br />20157 Little John Road <br />APN: 18508054, SR0084197 <br />Environmental Health Department <br />Jasjit Kang, REHS, Director <br />Muniappa Naidu, REHS, Assistant Director <br />PROGRAM COORDINATORS <br />Robert McClellon, REHS <br />Jeff Carruesco, REHS, RDI <br />Willy Ng, REHS <br />Melissa Nissim, REHS <br />Steven Shih, REHS <br />The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br />Loading Study (SSNL) dated September 7, 2021 for the above noted location and has the following comments <br />for your consideration. <br />The SSNL was prepared to determine the suitability of the above noted parcel for onsite wastewater treatment <br />system (OWTS) usage and the potential long-term nitrate loading impact to groundwater from an existing <br />three-bedroom home and the proposed three-bedroom home. <br />Based on the information provided the EHD can make the following findings: <br />a. The SSNL reports a nitrate -loading estimate for the existing and proposed OWTS of 10.28 mg/L of <br />NO3-N; the maximum contamination level for NO3-N in groundwater is 10.0 mg/L set by the Central <br />Valley Regional Water Quality Control Board. An oversized 1,600 gallon septic tank is required for the <br />proposed OWTS to increase removal of Total -Nitrogen in the liquid waste (Onsite Nitrogen removal, <br />Oakley, page 12). <br />b. Percolation test conducted on August 24, 2021 yielded a percolation rate of 50 min/inch. At this rate <br />a 5' soil separation is required between bottom of dispersal field and the groundwater. (San Joaquin <br />County OWTS Standard Table 1.10.2). <br />If you have any questions please contact Aaron Gooderham, Registered Environmental Health Specialist, <br />REHS, at agooderham@sjgov.org or (209) 616-3062. <br />?�0" <br />Steven Shih, REHS <br />Program Coordinator <br />CC: AdvancedGeo <br />1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />
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