ARCHIVED REPORTS_DRAFT ENVIRONMENTAL IMPACT REPORT

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should be stated. All analyses shall be performed by a Describe the treatment processes including loading rates laboratory approved by the State Department of Health and contact times; Services. All filtration design criteria should be provided (filtration 2.9 Contingency Plan and backwash rates, filter depth and media specifications, etc.) . The expected turbidities of the filter influent (prior Section 60323 (c) of the Water Recycling Criteria requires to the addition of chemicals) and the filter effluent should that the engineering report contain a contingency plan be stated; designed to prevent inadequately treated wastewater from being delivered to the user. The contingency plan should include: State the chemicals that will be used, the method of mixing, the degree of mixing, the point of application, and the * A list of conditions which would require an immediate dosages. Also describe the chemical storage and handling diversion to take place; facilities, and * A description of the diversion procedures; Describe the operation and maintenance manuals available. * A description of the diversion area including capacity, 2.6 Plant Reliability Features holding time and return capabilities; The plant reliability features proposed to comply with * A description of plans for activation of supplemental Sections 60333 - 60355 of the Water Recycling Criteria should supplies (if applicable); be described in detail. The discussion of each reliability feature should state under what conditions it will be * A plan for the disposal or treatment of any inadequately actuated. When alarms are used to indicate system failure, treated effluent; the report should state where the alarm will be received, how the location is staffed, and who will be notified. The report * A description of fail safe features in the event of a should also state the hours that the plant will be staffed. power failure, and 2.7 Supplemental Water Supply A plan (including methods) for notifying the recycled water user(s), the regional board, the state and local The report should describe all supplemental water supplies. health departments, and other agencies as appropriate, of The description should include: any treatment failures that could result in the delivery of inadequately treated recycled water to the use area. * Purpose 3.0 TRANSMISSION AND DISTRIBUTION SYSTEMS * Source Maps and/or plans showing the location of the transmission * Quality facilities and the distribution system layout should be provided. The plans should include the ownership and location of all potable * Quantity available water lines, recycled water lines and sewer lines within the recycled water service area and use area(s) . * Cross-connection control and backflow prevention measures 4.0 USE AREAS 2.8 Monitoring and Reporting The description of each use area should include: The report should describe the planned monitoring and reporting program, including all monitoring required by the * The type of land uses; Water Recycling Criteria, and include the frequency and location of sampling. Where continuous analysis and recording * The specific type of reuse proposed; equipment is used, the method and frequency of calibration 4 5