SITE INFORMATION AND CORRESPONDENCE

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River Islands Development LLC - 3 - 26 November 2014 General Order 2003-0003-DWQ-0128 According to the Soil Survey of San Joaquin County, California', shallow soils in the River Islands development consist of Columbia sandy loam, Dello sandy loam, and Egbert silty clay. These soil types are relatively poorly drained and have percolation rates ranging from 0.06 inches per hour to 0.2 inches per hour. This range corresponds to an estimated percolation rate ranging from 1 gallon per square foot per day (gal/ft2/day) to 3 gal/ft2/day, or approximately 11.2 million gallons per day. Based on these calculations, the discharge area will provide sufficient storage and disposal capacity for the dewatering project. The discharge area will be regularly monitored during dewatering operations. If the discharge area approaches storage capacity, River Island Development LLC will provide additional containment to prevent over-flow conditions until the water can be utilized as part of planned construction activities. An additional 177 acres of fallow agricultural land is also available for dewatering discharge, if needed. FACILITY-SPECIFIC REQUIREMENTS --- - - - -— The General Order and this Notice of Applicability regulates construction dewatering and reuse of the treated water at the River Island Development Project. 1. Water generated during construction dewatering shall be disposed of as described in the Notice of Intent and in accordance with the requirements contained in the General Order. 2. Construction dewatering discharge at a location or in a manner different from.that described in the Notice of Intent or this Notice of Applicability is prohibited. 3.` Alriechnical reports required herein that involve evaluation, or other work requiring interpretation and proper application of engineering or geologic sciences, shall be prepared by or under the direction of persons registered to practice in California pursuant to California Business and Professions Code, section 6735, 7835, and 7835.1. As required by these laws, completed technical reports must bear the signature(s) and seal(s)of the registered professional(s) in a manner such that all work can be clearly attributed to the professional responsible for the work. 4. Monitoring results shall be submitted on a semi-annual basis in accordance with the General Order's Monitoring and Reporting Program. 5. The Discharger shall submit the required annual fee (as specified in the annual billing issued by the State Water Resources Control Board) until the Notice of Applicability is officially terminated. 6. Failure to abide by the conditions of the General Order, including its monitoring and reporting requirements, and this letter authorizing applicability could result in enforcement actions, as authorized by provisions of the California Water Code. Please review this Notice of Applicability carefully to ensure that it completely and accurately reflects the proposed facility and discharge. If the Discharger violates the terms or conditions of the General Order, the Central Valley Water Board may take enforcement action, including assessment of administrative civil liability. Failure to comply with the requirements in the Order could result in an enforcement action as authorized by provisions of the California Water Code. Discharge of wastes other than those described in the RWD is prohibited. ' US Department of Agriculture Soil Conservation Service, 1990.