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SU0004612 SSNL
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SU0004612 SSNL
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Last modified
5/7/2020 11:30:58 AM
Creation date
9/6/2019 10:32:43 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSNL
RECORD_ID
SU0004612
PE
2611
FACILITY_NAME
PA-0400251
STREET_NUMBER
9422
Direction
E
STREET_NAME
JAHANT
STREET_TYPE
RD
City
ACAMPO
Zip
952209616
APN
00734009
ENTERED_DATE
8/23/2004 12:00:00 AM
SITE_LOCATION
9422 E JAHANT RD
RECEIVED_DATE
8/20/2004 12:00:00 AM
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
Scanner
SJGOV\rtan
Supplemental fields
FilePath
\MIGRATIONS\J\JAHANT\9422\PA-0400251\SU0004612\NL STDY.PDF
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EHD - Public
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L %I- ..W <br /> PART II: NITRATE LOADING STUDY <br /> MAJOR SUBDIVISION PA-04-251 <br /> L9422 E.JAHANT RD.,ACAMPO, CALIFORNIA <br /> TABLE OF CONTENTS <br /> { Page No. <br /> L INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 1.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 1.1 Chemical and Physical Soil Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> L1.2 Mass Transport Soil Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 2.0 GROUND WATER ANALYSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> L 2.1 Regional Ground Water . . . . . . . . . . . . . . . . . . . . . 3 <br /> 2.2 Potential Ground Water Contamination Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 2.3 Current and Future On-Site Ground Water Uses . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> L3.0 SOURCES AND IMPACT OF NITRATE TO GROUND WATER . . . . . . . . . . . . . . . . 4 <br /> 3.1 Current Off-Site Sources of Nitrate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 3.2 Contribution of Rainfall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 3.3 Current On-Site Sources of Nitrate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 3.4 Future On-Site Sources of Nitrate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> L 3.4.1 Quantity and Quality of Domestic Wastewater From Proposed Project . . . 5 <br /> 3.4.2 Denitrification Estimate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 3.5 Nitrate Loading Scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> L3.6 Impact of Nitrate Loading to Nearby Water Sources . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 4.0 DISCUSSION OF NITRATE LOADING RESULTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 4.1 Total Nitrate Impact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 4.2 Methods of Mitigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> L 5.0 CONCLUSIONS AND RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 5.1 Signatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 5.2 Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> L6.0 LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> L7.0 SELECTED REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> APPENDIX <br /> DEEP PERCOLATION OF RAIN —PLATE NO. 9 <br /> NITRATE LOADING CALCULATION PARCEL 1 —PLATE NO. 10 <br /> L <br /> .*44 <br /> L <br /> L <br />
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