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SR0084985_SSNL
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Entry Properties
Last modified
4/27/2022 9:27:01 AM
Creation date
4/27/2022 9:00:13 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSNL
RECORD_ID
SR0084985
PE
2602
STREET_NUMBER
7942
Direction
W
STREET_NAME
ERB
STREET_TYPE
WAY
City
TRACY
Zip
95304
APN
24823009
ENTERED_DATE
3/10/2022 12:00:00 AM
SITE_LOCATION
7942 W ERB WAY
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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rQPa��" SAN JOAQUIN <br />Environmental Health Department <br />" .Fi�I `' COUNTY Jasjit Kang, REHS, Director <br />Greatness grows here. 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 />April 25, 2022 Michelle Henry, REHS <br />Doug Torres <br />7942 W. Erb Way, <br />Tracy, CA 95304 <br />RE: Soil Suitability/Nitrate Loading Study <br />7942 W. Erb Way, Tracy, Ca. 95304 <br />APN: 248-230-09, SR0084985 <br />The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br />Loading Study (SSNL) dated March 9, 2022 for the above noted location and has the following comments for <br />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 the proposed <br />addition of one bedroom to the OWTS usage from a three (3) bedroom single family residence (SFR) and the <br />addition of a two bedroom mobile home. <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 suitability <br />for standard OWTS usage for the proposed development pursuant to San Joaquin Development Title <br />9, Section 9-1105.2(d). The proposed OWTS usage will cause a long term buildup of Nitrate -Nitrogen <br />in the groundwater of 15 mg/L; this is above the acceptable Maximum Contamination Limit of 10 mg/L <br />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. The design must mitigate the excessive <br />long term buildup of Nitrate -Nitrogen in the groundwater from the proposed OWTS usage (OWTS <br />Standards Section 7.1). <br />c. Annual operating permit is required, Fee for annual operation permit is due at time of OWTS permit <br />application (OWTS Standards Section 2.10). <br />d. Percolation test conducted on February 23, 2022 yields a percolation rate of 6.94 min/inch. At this rate <br />an 8 foot soil separation is required between bottom of dispersal field and groundwater (San Joaquin <br />County OWTS Standard Table 1.10.2). Groundwater is reported at 85 to 90 feet below surface. <br />If you have any questions please contact Aldara Salinas, Environmental Health Specialist, at <br />asalinas@sjgov.org or (209) 616-3019. <br />1 Y Steven Shin, REHS <br />Program Coordinator <br />CC: Abby Racco, LiveOak Geo Environmental, Inc. 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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