FOR

referred to as Discharger) based on provisions of California Water Code section 13304, which authorizes the California Regional Water Quality Control Board, Central Valley Region, (hereafter Central Valley Water Board or Board) to issue a Cleanup and Abatement Order (CAO), Water Code Section 13267, which authorizes the Board to require the submittal of technical or monitoring program reports, and Water Code Section 13260 which authorizes the Board to require submittal of a Report of Waste Discharge. The Assistant Executive Officer of the Central Valley Water Board finds, with respect to the Discharger’s acts, or failure to act, the following: 1. The Discharger operates an active landfill and composting operation regulated by the Water Board under the name of “Hay Road Landfill ” (facility). The facility consists of two Class III landfills (LF-1 and LF-2), one Class II landfill (LF-3), a Class II sewage sludge waste pile, a Class II sewage sludge land treatment unit (LTU), green-waste and food-waste composting areas, and two lined leachate ponds, as shown on Attachment A. The landfill covers 256 acres, and the entire property includes a 160 acre borrow pit area and a 224 acre habitat preserve. The Hay Road Landfill is located about eight miles east of Vacaville on Hay Road in Solano County. 2. Waste Discharge Requirements (WDRs) Order R5-2008-0188 were adopted on 5 December 2008, and regulate the operation, closure, and post-closure maintenance of the facility. In addition, the WDRs require corrective actions relating to releases or discharges of waste to groundwater. The facility operations must comply with Title 27 o