SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

CALIFORNIA REGIONAL WAFER QUALITY CONTROL BOARD CENTRAL VALLEY REGION J L J r, ORDER N0. 5-00-119 JUN 15 2004 NPDES NO. CAG915001 ENVIRONMENT HEALTH PERMIT/SERVICES WASTE DISCHARGE REQUIREMENTS FOR GENERAL ORDER FOR DISCHARGE TO SURFACE WATERS OF GROUNDWATER FROM CLEANUP OF PETROLEUM FUEL POLLUTION The California Regional Water Quality Control Board, Central Valley Region, (hereafter Board) finds that: 1. The presence of petroleum constituents in the groundwater at various sites throughout the region poses a threat to existing and potential beneficial uses of the groundwater. As responsible parties investigate and remediate these sites, the number of groundwater cleanups of petroleum constituents is increasing. Remediation at many of these sites includes groundwater treatment,with discharge of the treated groundwater. This permit covers the discharge of treated groundwater from cleanups of petroleum constituents to waters of the United States. 2. Discharges in excess of 200,000 gallons per day(gpd)will not be covered by this Order. 3, The Board has considered the information in the attached Fact Sheet in developing the Findings of this Order. The attached Fact Sheet is part of this Order. , 4. The discharge of wastewater from.a groundwater treatment system to navigable water, other than through a.community wastewater collection and treatment system, is a discharge of waste that could affect the quality of the waters of the United States. 5, Wastewater from a groundwater cleanup can include the following: a. Treated groundwater which had been polluted with petroleum constituents, b. potentially polluted groundwater pumped from beneath a layer of free product in order to establish a cone of depression to aid in the containment and extraction of the free product, c. Potentially polluted groundwater extracted during short- and long-term pump tests, d: Potentially polluted well development water, e. Potentially polluted purge water prior to well sampling.