SITE INFORMATION AND CORRESPONDENCE

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Mr. Matt Machado, P.E. • -2 - • 13 February 2'001 Stanislaus River is at flood stage, industrial wastewater is discharged to the stormwater retention basins. • The industrial wastewater percolation area was in good condition but had considerable plant growth. According to Mr. Johnston, the City routinely discs the area when the soil is dry enough to allow equipment to enter the area. The plants that grow in the area are not harvested. Standing water was observed in the area of active outfall. No odors were noted at the industrial wastewater application area. • Other onsite ponds which are used for stormwater or industrial wastewater storage and disposal were dry. • A berm between the third domestic wastewater pond and an industrial wastewater pond had recently failed. The berm was repaired. The City has failed to submit any monitoring reports since 27 August 1999. This is a serious violation of the WDRs. During the site inspection,Mr. Ted Johnston reported that the City had collected the data but had failed to submit it to the Regional Board. Pursuant to Water Code Section 13267 of the California Water Code, the City shall submit a report that presents all the data collected since 1 August 1999. The report is due by 16 March 2001 and shall present the data in tabular format, with sufficient charting of the data to allow interpretation of the data trends. This shall be performed for the domestic and industrial influent/effluent data, and groundwater data. The City of Ripon shall submit the report pursuant to Section 13267 of the California Water Code. Failure to submit the reports, or submission of inadequate reports, may result in enforcement action, including fines up to $1,000 per day. In the meanwhile, the City shall immediately begin reporting monitoring data as required by the Monitoring and Reporting Program (MRP). The next monthly report is due on 20 February 2001. It is recommended that City representatives meet with staff of the Regional Board to discuss the planned construction activities and the proposed alternative to groundwater dewatering that was discussed as a measure to maintain a separation between the wastewater ponds and groundwater table. If you have any questions on this information, or to schedule a meeting, please telephone Tim O'Brien at (916) 255-3116. GARY M. CARLTON, Executive Officer �L�71'i7� By: AWCK E. DEL CONTE Supervising Engineer Waste Discharge to Land Section Enclosure cc: Mike Huggins, San Joaquin County Environmental Health Department, Stockton Ted Johnston, City of Ripon, Ripon C: ojat FilclSi�wnW ftiadia 20201&t