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WASTE DISCHARGE REQUIREMENTS ORDER NO. 14 LINNE ESTATES,LLC LINNE ESTATES WASTEWATER TREATMENT SYSTEM SAN JOAQUIN COUNTY d. By 26 August 2004, the Discharger shall submit a workplan for the characterization of groundwater quality at the disposal area. The workplan shall describe the locations of existing wells, data on the groundwater flow direction, and installation of additional wells to adequately characterize background water quality and potential groundwater impacts from the wastewater discharge. Every monitoring well shall be constructed to yield representative samples from the uppermost layer of the uppermost water bearing zone and to comply with applicable well standards. The workplan shall be consistent with, and include the items listed in, the first section of Attachment D, including a Groundwater Sampling and Analysis Plan. e. By 24 November 2004, the Discharger shall submit a groundwater well installation report. The report shall be consistent with, and include the items listed in, the second section of Attachment D. f. By 15 October 2005, the Discharger shall submit a Groundwater Quality Study Report. For each groundwater monitoring parameter/constituent identified in the Monitoring and Reporting Program, the report shall present a summary of monitoring data from each monitoring well. Determination of groundwater quality shall be made using the methods described in Title 27, Section 20415(e)(10), and data from at least four consecutive quarterly(or more frequent) groundwater monitoring events. g. If the Groundwater Quality Study Report shows that groundwater exceeds Groundwater Limitations, then within 120 days of the Executive Officer's request, the Discharger shall submit a technical report in the form of a Wastewater System Evaluation Report and Implementation Workplan. The technical report shall include a comprehensive evaluation of treatment and control measures that address full mitigation of the source of the exceedance(s). The report shall describe treatment and control alternatives studied, the alternative(s)recommended for implementation, and any specific methods the Discharger proposes to monitor and assure continuous optimal performance, the source of funding, and proposed schedule for implementation. The recommended improvements and implementation schedule are subject to the Executive Officer's approval, but the schedule for full implementation shall be as short as practicable and not exceed two years unless specifically approved by the Regional Board. 2. In accordance with California Business and Professions Code sections 6735, 7835, and 7835.1, engineering and geologic evaluations and judgments shall be performed by or under the direction of registered professionals competent and proficient in the fields pertinent to the required activities. All technical reports specified herein that contain workplan for, that describe the conduct of investigations and studies, or that contain technical conclusions and recommendations concerning engineering and geology shall be prepared by or under the direction of appropriately qualified professional(s), even if not explicitly stated. Each technical report submitted by the Discharger shall contain a statement of qualifications of the responsible licensed professional(s) as well as the professional's signature and/or stamp of the seal. 3. The Discharger shall comply with the Monitoring and Reporting Program No. , which is part of this Order, and any revisions thereto as ordered by the Executive Officer. WASWI\ObrimT7 S-n 1oaquin%Unne Estatm\Linne WDR ri.dm