SITE INFORMATION AND CORRESPONDENCE

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WASTE DISCHARGE REQUIREMENTS ORDER NO. • 11 CITY OF LATHROP AND METROPOLITAN LIFE INSURANCE COMPANY CROSSROADS TREATMENT PLANT NO. 1,SAN JOAQUIN COUNTY 62. California Department of Water Resources standards for the construction and destruction of groundwater wells (hereafter DWR Well Standards), as described in California Well Standards Bulletin 74-90(June 199 1) and Water Well Standards: State of California Bulletin 94-81 (December 1981), and any more stringent standards adopted by the Discharger or county pursuant to CWC section 13801, apply to all monitoring wells. 63. State regulations that prescribe procedures for detecting and characterizing the impact of waste constituents from waste management units on groundwater are found in Title 27. While the wastewater treatment facility is exempt from Title 27, the data analysis methods of Title 27 are appropriate for determining whether the discharge complies with the terms for protection of groundwater specified in this Order. 64. The discharge authorized herein and the treatment and storage facilities associated with the discharge, except for discharges of residual sludge and solid waste, are exempt from the requirements of Title 27, California Code of Regulations (CCR), section 20380 et seq. (hereafter Title 27). The exemption,pursuant to Title 27 CCR section 20090(a), is based on the following: a. The waste consists primarily of domestic sewage and treated effluent; b. The waste discharge requirements are consistent with water quality objectives; and c. The treatment and storage facilities described herein are associated with a municipal wastewater treatment plant. 65. Pursuant to California Water Code Section 13263(g), discharge is a privilege, not a right, and adoption of this Order does not create a vested right to continue the discharge. Public Notice 66. The Board considered all the above and the supplemental information and details in the attached Information Sheet,which is incorporated by reference herein, in establishing the following conditions of discharge. i 67. The Board consulted with the State Department of Health Services and has considered their recommendations regarding the public health aspects of water recycling. 68. The Board has notified the Discharger and interested agencies and persons of its intent to prescribe waste discharge requirements for this discharge, and has provided them with an opportunity for a public hearing and an opportunity to submit their written views and recommendations. 69. The Board, in a public meeting, heard and considered all comments pertaining to the discharge. IT IS HEREBY ORDERED that Order No. 94-198 is rescinded and that the City of Lathrop, its agents, successors, and assigns, in order to meet the provisions contained in Division 7 of the California Water Code and regulations adopted hereunder, shall comply with the following: