ARCHIVED REPORTS_XR0012703 - Laserfiche WebLink

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- - w i S� 4 wr' t Harding Lawson Associates after treatment. A National Pollution Discharge Elimination System . (NPDES) permit would be required- To obtain such a permit, hydrocarbon constituents would have to be reduced to a specified level, set by the 7RWQCB, prior to discharge. It is not practical to treat a small volume of water on sitebecause of the large capital costs per volume of treated y water. If the chosen extraction method producea: greateryquan- 17;1t�ties of ,rater then projected, on-site treatment would- become .r ' 71014 anon g- with,.this-method: of.'dispotal. Dischar a to the sanitar se r 4 — '�w - Under this alterna- tive, treated ground water would be discharged into the Tracy sanitary sewer system. Permission must be obtained from the local .sewage treatment district. i Preliminrpocal .dscussxons _witH the. .l an sity �. rY sewer r # d�striat zndicats a reluctance'to acce :' water that has an p el:h drocarbon ., Y :con-. {_ cntatian of fu y s. Because the capital costs per volume of treated water would be very high, � g this alternative will r not be given further consideration. y } Disc har a to irrigation district facilities - Under this alternative, treated ground water would be released into the local irrigation district -system, -After treatment, the water would 'be eriodir - Q1 p .allY collected and transported to a local irri- gation rri F { � r gation canal for discharge. Permission would be required from U '+ the West Si ' de Irriganon District (WSID) . . We have made many attempts to contact the .WSID without {� success. We •?lieve that it would be difficult to obtain a come 1..4 M1 iii