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City of Riverbank WWTP• • Page 2 of 4 <br /> Stanislaus County Inspection Date: 21 March 2001 <br /> Steve Black took us on a brief inspection tour of the ponds. With the exception of the Winter <br /> Aeration Cell, all ponds are full. Freeboard varied from approximately 6 to 18 inches. The <br /> northern and western berms show evidence of saturation along the crest, and seepage was <br /> apparent along the northern berm. Wendy requested that they pump the standing seepage back to <br /> the pond system. <br /> The western berm has one repair consisting of anchored plastic sheeting on the inside of the berm. <br /> Steve said that staff inspects these berms every two hours around the clock and that they have a <br /> stock of materials to repair the berms as necessary. <br /> SUMMARY: Freeboard violations were observed in Summer Ponds 1, 2, and 3. Seepage was <br /> observed outside the northern berm and must be returned to the ponds. The Discharger plans <br /> emergency measures to prevent a spill and we will issue a Cleanup and Abatement Order within <br /> the next couple of weeks. <br /> ANNE L..OLSON,P.E. <br /> Associate Water Resources Control Engineer <br /> Approved: <br />