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SR0085874_SSNL
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SR0085874_SSNL
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Last modified
11/19/2024 10:19:58 AM
Creation date
10/12/2022 3:43:02 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSNL
RECORD_ID
SR0085874
PE
2602
FACILITY_ID
FA0007821
FACILITY_NAME
ARCO & AM/PM
STREET_NUMBER
7500
Direction
W
STREET_NAME
ELEVENTH
STREET_TYPE
ST
City
TRACY
Zip
95376
APN
25015018
ENTERED_DATE
10/5/2022 12:00:00 AM
SITE_LOCATION
7500 W ELEVENTH ST
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
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SJGOV\tsok
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EHD - Public
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"c <br /> 2' � °�Z Environmental Health Department <br /> SAN�JOAQUIN <br /> COUNTY Jasjit Kang, REHS, Director <br /> C P Muniappa Naidu,REHS,Assistant Director <br /> gciFba� Greatness grows here. PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco,REHS,RDI <br /> Willy Ng,REHS <br /> Melissa Nissim,REHS <br /> Steven Shih,REHS <br /> Michelle Henry,REHS <br /> Elena Manzo,REHS <br /> October 11, 2022 <br /> Edgar Hickallah <br /> Blackhawk Management Group, LLC <br /> 2605 Camino Tassajara Lane, #1582 <br /> Danville, CA., 94526 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 7500 W. Eleventh St., Tracy <br /> APN 250-150-16, -17, -18, SR0085874 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated September 38, 2022 for the above noted location, and has the following <br /> comments for your consideration. <br /> The SSNL was prepared to determine the suitability of the above noted parcel for onsite wastewater treatment <br /> system (OWTS) for a proposed ARCO gas station and AM/PM convenience store. <br /> Based on the information provided, the EHD can make the following findings: <br /> a. Based on the information provided the EHD finds that the SSNL Study does not support the <br /> suitability for standard OWTS usage for the proposed development pursuant to San Joaquin <br /> Development Title 9, Section 9-1105.2(d). The proposed OWTS usage will cause a long term <br /> buildup of Nitrate-Nitrogen in the groundwater of 36.2 mg/L; this is above the acceptable Maximum <br /> Contamination Limit of 10 mg/L established by the California Water Resources Control Board. <br /> b. EHD requires an OWTS designed by a California Registered Engineer. Submit engineered OWTS <br /> design plans under a service request form to this department for the septic system. The design <br /> must mitigate the excessive long term buildup of Nitrate-Nitrogen in the groundwater from the <br /> proposed OWTS usage (OWTS Standards Section 7.1, 7.2). <br /> c. The Percolation test conducted on September 13, 2022 yielded a percolation rate of 5.68 min/inch. <br /> At this rate, a minimum 8 feet of soil separation is required between bottom of the dispersal field <br /> and the groundwater. The SSNL reports groundwater level between 15 to 38 feet below surface <br /> grade. (San Joaquin County OWTS Standard Table 1.10.2). <br /> If you have any questions please contact Aldara Salinas, Environmental Health Specialist, at <br /> asalinas�@sjgov.org or (209) 616-3019. <br /> Cesar Ruvalcaba, REHS <br /> Lead Senior <br /> c: Abby Racco, 407 W. Oak St., Lodi, CA., 95240 <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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