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1 CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION ORDER NO. T NPDES NO. CA0082376 WASTE DISCHARGE REQUIREMENTS FOR PARADISE POINT MARINA SEVEN RESORTS, INC. SAN JOAQUIN COUNTY The California Regional Water Quality Contr6l Board, Central Valley Region, (hereafter Board) finds N that: 1. Seven Resorts,Inc. (hereafter Discharger) submitted a Report of Waste Discharge, dated 2 October 1998, and applied for a renewal of the permit to discharge waste under the National Pollutant Discharge Elimination System(NPDES) from the Paradise Point Marina Wastewater Treatment Plant. 2. The San Joaquin Health Services Department issued, on 1 July 1988, a Notice to Abate after septic A tank effluent from failing leachfields was found to be surfacing in a drainage ditch. The notice required Paradise Point Marina to install a new sewage treatment and disposal system. Shallow ground water and peat soils precluded the use of leachfield disposal within the limited land area controlled by the marina. A new plant was constructed in April of 1989. 3. The Discharger owns and operates the wastewater collection,treatment, and disposal system, and T provides sewerage service to Paradise Point Marina. The treatment plant is in NE 1/4 Section 3, T2N, RSE, MDB&M, at the intersection of Disappointment Slough and Bishop Cut as shown on Attachment A, a part of this Order. Treated wastewater is discharged to a point 2000 feet north of n the confluence of Disappointment Slough and Bishop Cut, at the point, latitude 38°, 3', 00" and J longitude 121',25', 00". Bishop Cut is a water of the United States and a tributary to the San Joaquin River. 4. The treatment system consists of a series of septic tanks followed by a Sequence Batch Reactor System. The wastewater is initially treated by a 7,200-gallon septic tank and six 1200-gallon \\// septic tanks before entering the final septic tank(800 gallon)which is directly connected to two independent batch treatment facilities. The batch treatment facilities consist of a 30,000 gallon per day (gpd) capacity batch plant and a 3,000 gpd capacity batch plant. The batch treatment systems are used seasonally depending upon the inflow volume. The 3,000 gpd system is operated during the wet season and the 30,000 gpd system is operated during the dry season. The 30,000 gpd batch treatment system consists of a screen, an aerator chamber, a clarifier, a chlorine injection system, a chlorine contact chamber, and multimedia pressure filters and dechlorination as shown on Attachment B,a part of this Order. The 3,000 gpd batch treatment system utilizes a similar process train. Both batch treatment systems are housed inside a building.