SITE INFORMATION AND CORRESPONDENCE

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M N < United States Department of the Interior BUREAU OF RECLAMATION \ � N(IaPACIF'IC REGION e TRACY OFFICE (CVP) IN REPLY ROUTE 1 BOX 35 REFER TO: BYRON CALIFORNIA 94514-9614 TO-440 DEC 2 0 i990 LND-6.00 CERTIFIED - RETURN RECEIPT REQUESTED Mr. Mike Locke, City Manager City of Tracy 325 East 10th Street Tracy CA 95376 ar" Subject: City of Tracy -- Treatment of Hazardous Material on Delta-Mendota Canal Easement -- Milepost 14.80 to 15.01 Right -- Central Valley Project (CVP) CA (Land Management) Dear Mr. Locke: The city of Tracy (City) has developed treatment basins on City property which the Bureau of Reclamation (Bureau) has a perpetual easement for the operation and maintenance of the Delta-Mendota Canal (Canal) . As we understand the project, the basins will be used for the temporary storage and treatment of soil contaminated with grease and oil hydrocarbons. Since the treatment basins are located very close to the Canal, a major watercourse in California, we are very concerned about their design and potential impacts upon the quality of water in the Canal. We wish to again emphasize that the water transported by this Canal serves not only agricultural users, but municipal and industrial users throughout the area, including the city of Tracy. However, we were not informed of the project or afforded an opportunity to comment or express our concerns prior to initiation of construction by the City. On December 6, 1990, we first became aware of the construction work for the treatment basins and requested, by letter dated December 7, 1990, that the City not proceed with the placement of contaminated material into the basins until the Bureau had an opportunity to review and comment on the project. On December 14, 1990, we were verbally informed that the City was proceeding with the project without the Bureau's review and opportunity to provide comments. We request the City not fill or operate the treatment basins until the Bureau has completed its review of the project. We are proceeding with our review of the treatment basins based upon information provided by Mr. Paul Verma of your staff on December 17, 1990, and will provide our concerns and comments as soon as possible. We expect the City to be responsible for all compliance require- ments by the State of California Department of Health Services, San Joaquin County Health Department, Regional Water Quality Control Board, National Environmental Protection Act, and the California Environmental Quality Act. In addition, we hold the City liable for any contamination to the water supply conveyed by the Canal and the surrounding soil. We hold the City liable for any possible damage to the facilities of the United States caused by its activities.