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SR0085171_SSNL
Environmental Health - Public
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SR0085171_SSNL
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Last modified
4/27/2022 9:20:34 AM
Creation date
4/27/2022 9:04:55 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSNL
RECORD_ID
SR0085171
PE
2602
STREET_NUMBER
2227
Direction
W
STREET_NAME
SARGENT
STREET_TYPE
RD
City
LODI
Zip
95242
APN
02516046
ENTERED_DATE
4/18/2022 12:00:00 AM
SITE_LOCATION
2227 W SARGENT RD
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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Table 3. Rainwater Nitrate Concentration <br />Date <br />Nitrate (mg/L-N) <br />5/17/2019 <br />0.4 <br />5/19/2019 <br />0.2 <br />3/16/20 <br />0.2 <br />5/18/20 <br />0.4 <br />1/27/21, 10:00 <br />0 (Non -detect) <br />1/27/21, 19:30 <br />0 (Non -detect) <br />1/29/21 <br />0.2 <br />Average <br />0.2 <br />Live Oak then averaged the concentrations of the seven samples, for a value of 0.2 <br />mg/L-N to represent the nitrate concentration of rain. The test results from 2021 are <br />included in Appendix 5. <br />Because the San Joaquin County Environmental Health Department has requested that <br />local and recent data be utilized wherever possible, the concentration of the Lodi <br />rainwater been selected for use in the nitrate loading calculation. <br />Quantity and Quality of Domestic Wastewater <br />Mr. Ellis indicated that a new four-bedroom home will be built on the Site., a fifth <br />bedroom may be added at some point in the future (correspondence, February 6, 2021). <br />Crites and Tchobanoglous (1998) list a typical flow rate of 50 to 70 gallons per person <br />per day for an individual residence. In the past, San Joaquin County Environmental <br />Health Department has requested that the flow rate be calculated as 140 gallons per <br />bedroom per day to reflect maximum usage. On March 4, 2020, however, Michael Kith, <br />Registered Environmental Health Specialist, Program Coordinator at the San Joaquin <br />County Environmental Health Department, stated that he has conferred with Norman <br />Hantzsche (author of the 1992 paper discussed previously), and they have arrived at a <br />new method to determine flow from residential sources. He indicated that wastewater <br />flow from a single-family residence should be calculated as 100 gallons per day (gpd) <br />for the first bedroom and 50 gpd for each additional bedroom; additional residences <br />should be calculated in the same manner (personal communication, March 4, 2020). <br />LOGE 2103 Page 9 <br />
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