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California Ronal Water Quality Antrol Board <br /> Central Valley Region <br /> Linda S.Adams Katherine Hart,Chair Arnold Schwarzenegger <br /> Secretaryfor Governor <br /> Environmental 11020 Sun Center Drive 4200,Rancho Cordova,California 95670-6114 <br /> Protection Phone(916)464-3291 •FAX(916)464-4645 <br /> http://www.waterboards.ca.gov/cenLralvalley <br /> ATTACHMENT <br /> ITEMS TO BE INCLUDED IN A <br /> QUARTERLY GROUNDWATER MONITORING REPORT <br /> The outline below is a minimum requirement for items to be included and discussed in <br /> all groundwater monitoring reports submitted to the Board. Reports must be signed by <br /> a registered geologist, certified engineering geologist, or civil engineer registered or <br /> certified by the state of California. <br /> • A description and discussion of the groundwater sampling event and results, <br /> including trends in the concentrations of pollutants and groundwater elevations in <br /> the wells, how and when samples were collected, and whether the pollutant <br /> plume(s) is delineated. <br /> • Field logs that contain, at a minimum, water quality parameters measured before, <br /> during, and after purging, method of purging, depth of water, volume of water <br /> purged, etc. <br /> • Groundwater contour maps for all groundwater zones, if applicable. <br /> • Isocontour pollutant concentration maps for all groundwater zones, if applicable. <br /> • A table showing well construction details such as well number, groundwater zone <br /> being monitored, coordinates (longitude and latitude), ground surface elevation, <br /> reference elevation, elevation of screen, elevation of bentonite, elevation of filter <br /> pack, and elevation of well bottom. <br /> • A table showing historical lateral and vertical (if applicable) flow directions and <br /> gradients. <br /> • Cumulative data tables containing the water quality analytical results and depth to <br /> groundwater. <br /> • A copy of the laboratory analytical data report. <br /> California Environmental Protection Agency <br /> Recycled Paper <br />