ARCHIVED REPORTS_DRAFT ENVIRONMENTAL IMPACT REPORT

Home Browse Search

MONITORING AND REPORTING PROGRAM NO.R5-2004-0028 11 MONITORING AND REPORTING PROGRAM NO.R5-2004-0028 12 NPDES NO.CA0081558 NPDES NO.CA0081558 CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS WASTEWATER QUALITY CONTROL FACILITY WASTEWATER QUALITY CONTROL FACILITY SAN JOAQUIN COUNTY SAN JOAQUIN COUNTY 2 A hand-held field meter may be used,provided the meter utilizes a USEPA-approved of the values required in the discharge monitoring report form. Such increased frequency shall be algorithm/method and is calibrated and maintained in accordance with the manufacturer's indicated on the discharge monitoring report form. instructions. By 30 January of each year,the Discharger shall submit a written report to the Executive Officer WATER SUPPLY MONITORING containing the following: A sampling station shall be established where a representative sample of the municipal water supply can a. The names,certificate grades,and general responsibilities of all persons employed at the be obtained. The following shall constitute the water supply monitoring program. WWTP(Standard Provision A.5). b. The names and telephone numbers of persons to contact regarding the plant for emergency and Sampling routine situations. Constituents Units Frequency c. A statement certifying when the flow meter and other monitoring instruments and devices were Standard Minerals' mg/1 Yearly last calibrated,including identification of who performed the calibration(Standard Provision Electrical Conductivity2 umhos/cm Yearly C.6). @ 25°C Total Dissolved Solids mg/l Yearly d. A statement certifying whether the current operation and maintenance manual,and contingency plan,reflect the wastewater treatment plant as currently constructed and operated,and the dates when these documents were last revised and last reviewed for adequacy. ' Standard minerals shall include all major cations and anions,including calcium, The Discharger may also be requested to submit an annual report to the Regional Board with both magnesium,hardness,sodium,potassium,alkalinity,sulfate,chloride,boron,and tabular and graphical summaries of the monitoring data obtained during the previous year. Any such nitrate,and verification that the analysis is complete(i.e.,cation/anion balance). request shall be made in writing. The report shall discuss the compliance record. If violations have 2 If the water supply is from more than one source,the EC shall be reported as a weighted occurred,the report shall also discuss the corrective actions taken and planned to bring the discharge average and include copies of supporting calculations. into full compliance with the waste discharge requirements. REPORTING All reports submitted in response to this Order shall comply with the signatory requirements of Standard Provision D.6. Monitoring results shall be submitted to the Regional Board by the first day of the second month The Discharger shall implement the above monitoring program on the first day of the month following following sample collection. Quarterly and annual monitoring results shall be submitted by the first effective date of this Order. day of the second month following each calendar quarter,semi-annual period,and year, respectively. Ordered by: In reporting the monitoring data,the Discharger shall arrange the data in tabular form so that the date, THOMAS R.PINKOS,Executive Officer the constituents,and the concentrations are readily discernible. The data shall be summarized in such a 19 March 2004 manner to illustrate clearly whether the discharge complies with waste discharge requirements. The highest daily maximum for the month,monthly and weekly averages,and medians,and removal MWK efficiencies(%)for BOD and Suspended Solids,should be determined and recorded. If the Discharger monitors any pollutant at the locations designated herein more frequently than is required by this Order,the results of such monitoring shall be included in the calculation and reporting