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STATE OF CALIFORNIA-Envimnmental ProtectibopAgency lfto� <br /> PETE WILSON,Govemor <br /> CALIFORNIA REGIONAL wATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> 3443 Rouder Rmd,Suke A <br /> Sammento.CA 95827-3098 <br /> PHONE:(916)255-3000 <br /> FAX:(916)255-3015 panq a <br /> 14 June 1995 jul'i 1 5 1995 <br /> ENVIRONMENTAL HEALIH <br /> PERMIT/SERVICES <br /> Dante John Nomellini, Manager and Co-Counsel <br /> Central Delta Water Agency <br /> 23 5 East Weber Avenue <br /> Stockton, CA 95201 <br /> COMMENTS ON THEARMPOASED—UPDATE WATER WECLAMA TION-REQ UIREMEA-TY FOR <br /> MAR10 JACQUES AND THE CITY OF STOCKTON, SAN JOAQU17V COUNTY <br /> Thank you for commenting on the above item concerning the use of a secondary undisinfected <br /> wastewater. <br /> The proposed activity is not a new project but an update due to new ownership. The existing operation is, <br /> governed by Order No. 78-299 adopted by the Board on 17 November 1978. <br /> You raised a number of issues in your letter: <br /> I. There is an inconsistency between thefact that the project involves undisinfected <br /> wastewater and the inclusion of a Total Coliform concentrationfor disinfected <br /> wastewater in Finding No.5. We will delete the coliform data in Finding No.5 as a late <br /> revision. <br /> 2. Corrected coliform data should be available. We do not normally require monitoring of <br /> coliform in undisinfected effluent since we know the concentrations are high. <br /> 3. Metals, radioactivity, trihalomethaneformation potential, oil and grease, and total <br /> petroleum hydrocarbon data should bepresented. We normally put only the effluent <br /> quality data into the Findings that we judge to be significant for the discharge. In the 1994 <br /> review of the effluent quality for the NPDES Permit, the metals (with the possible <br /> exception of mercury, which is being studied) and oil and grease found to be at acceptable <br /> levels for river discharge. Radioactivity is not monitored. Trihalomethane formation <br /> potential is not pertinent to land disposal. <br /> 4. The land, ground water, and irrigation water should be tested before application and at <br /> least annually thereafter. As this is an ongoing project, "before application" testing is <br /> notpossible. The wastewater is tested as part of the City's NPDES Permit. Itisjudged <br /> that soil and ground water testing is not warranted for the seasonal discharge. <br />