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0 0 MONITORING AND REPORTING PROGRAM NO. 5-01-251 4 CITY OF LATHROP AND CROSSROADS CREA LLC WASTEWATER TREATMENT FACILITY NO. I (CROSSROADS) SAN JOAQUIN COUNTY 3. If requested by staff, copies of laboratory analytical report(s). B. Quarterly Monitoring Reports The Discharger shall establish a quarterly sampling schedule for groundwater monitoring such that samples are obtained approximately every three months. Quarterly monitoring reports shall be submitted to the Board by the 15` day of the second month after the quarter(i.e. the January- March quarterly report is due by May 15) and may be combined with the monthly report. The Quarterly Report shall include the following: 1. Results of groundwater monitoring; 2. A narrative description of all preparatory,monitoring, sampling, and analytical testing activities for the groundwater monitoring. The narrative shall be sufficiently detailed to verify compliance with the WDR, this MRP, and the Standard Provisions and Reporting Requirements. The narrative shall be supported by field logs for each well documenting depth to groundwater; parameters measured before, during, and after purging; method of purging; calculation of casing volume; and total volume of water purged; 3. Calculation of groundwater elevations, an assessment of groundwater flow direction and gradient on the date of measurement, comparison of previous flow direction and gradient data, and discussion of seasonal trends if any; 4. A narrative discussion of the analytical results for all groundwater locations monitored including spatial and temporal tends,with reference to summary data tables, graphs, and appended analytical reports (as applicable); 5. A comparison of monitoring data to the groundwater limitations and an explanation of any violation of those requirements; 6. Summary data tables of historical and current water table elevations and analytical results; 7. A scaled map showing relevant structures and features of the facility,the locations of monitoring wells and any other sampling stations, and groundwater elevation contours referenced to mean sea level datum; 8. Copies of laboratory analytical report(s) for groundwater monitoring. C. Annual Report An Annual Report shall be prepared as the fourth quarter monitoring report. The Annual Report will include all monitoring data required in the monthly/quarterly schedule. The Annual Report shall be submitted to the Regional Board by 1 February each year. In addition to the data normally presented,the.Annual Report shall include the following: 1. The contents of the regular groundwater monitoring report for the last sampling event of the year; 2. If requested by staff,tabular and graphical summaries of all data collected during the year;