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SR0081644 SSNL
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Entry Properties
Last modified
4/2/2020 2:30:51 PM
Creation date
2/11/2020 4:29:21 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSNL
RECORD_ID
SR0081644
PE
2602
STREET_NUMBER
438
Direction
W
STREET_NAME
MATHEWS
STREET_TYPE
RD
City
FRENCH CAMP
Zip
95231
APN
19318050
ENTERED_DATE
1/17/2020 12:00:00 AM
SITE_LOCATION
438 W MATHEWS RD
P_LOCATION
99
P_DISTRICT
001
QC Status
Approved
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TSok
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EHD - Public
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S A N_J 0 A Q U I N Environmental Health Department <br /> COUNTY Kasey Foley, REHS, Interim Director <br /> cq�iFOR��P Greatness grows here. PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco, REHS, RDI <br /> Willy Ng, REHS <br /> Muniappa Naidu, REHS <br /> COPY <br /> Michael Kith,REHS <br /> Melissa Nissim, REHS <br /> February 4, 2020 <br /> Nicolas Ramos Aguirre <br /> 438 West Mathews Rd <br /> French Camp, CA 95231 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 438 West Mathews Rd, French Camp <br /> APN 193-180-500, SR0081644 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated January 17, 2020 and submitted on January 17, 2020 for the above noted <br /> location, and has the following 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) usage and the potential impact of nitrate to groundwater for the proposed project <br /> development. The proposed development project includes: <br /> 1. A three bedroom modular house. <br /> 2. The OWTS usage with wastewater of 420 gallons a day from existing residence and 280 gallons a <br /> day from proposed three bedroom residence totaling in 700 gallons a day. <br /> The estimated nitrate loading from this existing and proposed usage shows a potential for nitrate impact to <br /> groundwater above water quality objectives. According to SSNL Study, the estimated nitrate loading from this <br /> existing and proposed OWTS usage is 12.49 mg/L-N; it is above the water quality objective of 10 mg/L-N. <br /> Based on the information provided, the EHD can make the following findings. <br /> 1. The SSNL Study supports the suitability for OWTS usage with the following conditions: <br /> a. The potential impact of the nitrate to ground water shall be mitigated. OWTS shall utilize <br /> supplemental treatment and meet performance requirements in Section 10.9 of Regional Water <br /> Quality Control Board OWTS policy (Boards Policy). <br /> b. A Registered Civil Engineer shall submit complete engineering design plan to EHD for approval <br /> prior to issuance of building permit. Fee will be based on the current fee schedule at time of <br /> payment. <br /> c. Percolation test conducted at the site percolates at the rate of 1.19 minute per inch. The OWTS <br /> shall have a minimum distance of 20 feet from bottom of dispersal system to groundwater. Per <br /> study groundwater varies between 20' below ground surface and 25' below ground surface. <br /> d. Annual permit is required. Fee for annual operating permit is due at time of OWTS permit <br /> application. <br /> e. To monitor the effectiveness of the supplemental treatment system, quarterly sampling of the <br /> effluent and under leach field is required. The first sampling shall be done six (6) months after the <br /> OWTS installation. Sampling results shall be submitted to EHD for review. The EHD may reduce <br /> the sampling frequency after one year of sampling. <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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