Laserfiche WebLink
MONITORING AND REPORTING PROGRAM NO. R5-2004-0028 4 <br /> NPDES NO. CA0081558 <br /> CITY OF MANTECA, CITY OF LATHROP AND DUTRA FARMS <br /> WASTEWATER QUALITY CONTROL FACILITY <br /> SAN JOAQUIN COUNTY <br /> considered adequately composited. The date and time of collection of a grab sample shall be recorded. <br /> The following shall constitute the effluent monitoring program: <br /> Sampling <br /> Constituent Units Type of Sample Frequency <br /> Flow MGD Continuous Daily <br /> 20°C BODS mg/l Grab Twice Monthly <br /> Settleable Matter ml/1 Grab Twice Monthly <br /> Total Dissolved Solids mg/l Grab Quarterly <br /> Electrical Conductivity @25°C umhos/cm Grab Twice Monthly <br /> Ammonia(as N) mg/l Grab Twice Monthly <br /> Nitrate(as N) mg/1 Grab Twice Monthly <br /> Total Metalsl mg/1 Grab Annually2 <br /> Total Metals shall include analyses for Cadmium, Chromium, Copper, Lead, Nickel, and Zinc. <br /> 2Samples shall be collected during the month of August. <br /> If the discharge is intermittent rather than continuous, then on the first day of each such intermittent <br /> discharge,the Discharger shall monitor and record data for all of the constituents listed above, with the <br /> exception of metals analyses, after which the frequencies of analysis given in the schedule shall apply for <br /> the duration of each such intermittent discharge. In no event shall the Discharger be required to monitor <br /> and record data more often than twice the frequencies listed in the schedule. <br /> STORAGE POND MONITORING <br /> Constituent Units Type of Sample Sampling Frequency <br /> Dissolved Oxygen mg/l Grab Weekly <br /> pH pH units Grab Weekly <br />