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REVISION NO. 2, MONITORING AND REPORTING PROGRAM NO, 94-263 <br /> CITY OF RIPON WASTEWATER TREATMENT PLANT 5 <br /> RIPON, SAN JOAQUIN COUNTY <br /> A. Monthly Monitoring Reports <br /> Daily, weekly, and monthly monitoring data shall be reported in monthly monitoring reports. <br /> Monthly reports shall be submitted to the Regional Board on the IStday of the second month <br /> following sampling (i.e. the January Report is due by 1 March). At a minimum, the reports <br /> shall include: <br /> 1. Results of domestic and industrial wastewater influent monitoring, treated domestic <br /> wastewater effluent monitoring, treatment/storage/percolation pond monitoring, and <br /> industrial wastewater land application area monitoring; <br /> 2. A comparison of monitoring data to the discharge specifications and an explanation of any <br /> violation of those requirements. Data shall be presented in tabular format; and <br /> 3. If requested by staff, copies of laboratory analytical report(s). <br /> B. Quarterly Monitoring Reports <br /> The Discharger shall establish a quarterly sampling schedule for groundwater monitoring such <br /> that samples are obtained approximately every three months. Quarterly monitoring reports shall <br /> be submitted to the Board by the 1s' day of the second month after the quarter (i.e. the <br /> January-March quarterly report is due by May 1') and may be combined with the monthly <br /> report. The Quarterly Report shall include the following: <br /> 1. Results of groundwater monitoring; <br /> 2. A narrative description of all preparatory, monitoring, sampling, and analytical testing <br /> activities for the groundwater monitoring. The narrative shall be sufficiently detailed to <br /> verify compliance with the WDR, this MRP, and the Standard Provisions and Reporting <br /> Requirements. The narrative shall be supported by field logs for each well documenting <br /> depth to groundwater; parameters measured before, during, and after purging; method of <br /> purging; calculation of casing volume; and total volume of water purged; <br /> 3. Calculation of groundwater elevations, an assessment of groundwater flow direction and <br /> gradient on the date of measurement, comparison of previous flow direction and gradient <br /> data, and discussion of seasonal trends if any; <br /> 4. A narrative discussion of the analytical results for all groundwater locations monitored <br /> including spatial and temporal tends, with reference to summary data tables, graphs, and <br /> appended analytical reports (as applicable); <br /> 5. A comparison of monitoring data to the groundwater limitations and an explanation of any <br /> violation of those requirements; <br /> 6. Summary data tables of historical and current water table elevations and analytical results; <br /> 7. A scaled map showing relevant structures and features of the facility, the locations of <br /> monitoring wells and any other sampling stations, and groundwater elevation contours <br /> referenced to mean sea level datum; <br /> V:-WII•[]Mim1�5.n I.u4unWipm W W/p,IARY YG.:M1I ftvi,im Nn:in.l Jn' <br />