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0P(?. c <br />I.• C •.oG SAN JOAQUIN COUNTY <br />z ? ENVIRONMENTAL HEALTH DEPARTMENT <br />t•,,�g�,� 1868 East Hazelton Avenue, Stockton, CA 95202-3029 <br />• c P • Telephone: (209) 468-3420 Fa -r: (209) 464-0138 Web: www.sjgov.org/ehd <br />q <br />;.Po* <br />NITRATE LOADING STUDY REQUIREMENT CHECKLIST <br />-7001, -71t 7.3z i -733Y, 7aS_1 PA #: Zlev <br />SITE LOCATION: <br />7`i �(J• �t/1 Cf�[ 4 REPORT DATE: <br />= Sufficient <br />I =Insufficient <br />San Joaquin County Development Title Chapter 9-1105, Section 9-1105.2 <br />S I 1.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL <br />e❑ 1.1 Description of the chemical and physical properties of the soils underlying the site. <br />❑ 1.2 Description of the mass transport properties of the soils underlying the site with respect to nitrate and/or any other <br />constituent of concern identified for the project site. <br />2.0 GROUNDWATER ANALYSIS <br />[✓r ❑ 2.1 Description of: depth to groundwater, seasonal fluctuations of groundwater depth, directional flow and gradient. <br />❑ 2.2 Description/discussion of any existing or potential groundwater contamination issues in the general location of the <br />site. <br />[� ❑ 2.3 Description of the current use of groundwater at the site and of the future expected use of groundwater as related <br />to the proposed development project. <br />3.0 SOURCES AND CALCULATED IMPACT OF NITRATE TO GROUNDWATER <br />E� <br />❑ <br />3.1 <br />Description of all current off-site sources of nitrate to soil and groundwater in the general up gradient area and the <br />contribution of nitrate load from these sources to the project site. <br />[?r <br />❑ <br />3.2 <br />Description of impact of rainfall contribution of nitrate load to the project site. <br />[z <br />❑ <br />3.3 <br />Description of all current on-site sources of nitrate to soil and groundwater and the contribution of nitrate load from <br />these sources to the project site. <br />[� <br />❑ <br />3.4 <br />Description of all proposed future on-site sources of nitrate to soil and groundwater and the contribution of nitrate <br />load from these sources to the project site. <br />[ <br />❑ <br />3.5 <br />Calculated mass balance of nitrogen loading considering all potential sources identified. Use of <br />Hanztch/Finnemore, or other appropriate formula/model, if applicable. <br />❑ <br />3.6 <br />Calculated impact of nitrogen loading from site project to down gradient wells, rivers, lakes etc. <br />4.0 <br />DISCUSSION OF NITRATE LOADING RESULTS RELATIVE TO PROPOSED METHOD <br />OF WASTEWATER DISPOSAL <br />(� <br />❑ <br />4.1 <br />Discussion of total nitrate impact from proposed project. <br />[� <br />❑ <br />4.2 <br />Description of the methods proposed to mitigate any known or future impact to soil and groundwater from nitrate, <br />and/or anv other constituent of concern, at and/or around the proiect site. <br />5.0 <br />CONCLUSIONS AND RECOMMENDATIONS SECTION <br />❑ <br />5.1 <br />The report was signed, dated and stamped by a qualified environmental professional. <br />❑ <br />5.2 <br />The attachments/appendices contain sufficient documentation to support claims made in the report. <br />Reviewed By: %y&ZlA- 1�1� Reviewed Date: GQ -S"— 2,ki <br />EHD 26-02 Page I of 2 Surface & Sub Checklist <br />7/14/2003 <br />