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17 <br />OCHD CLASS III <br />SAND FILTER - <br />SINGLE FAMILY AND NON SINGLE FAMILY <br />DWELLING <br />STATISTICS: <br />- 22 IN ORANGE COUNTY <br />- MOST ARE OLDER THAN TEN YEARS OLD <br />- PERCENTAGE OF FAILURES IS NOT KNOWN BECAUSE OF LACK OF <br />INSPECTIONS BY DEM <br />- NO DISCHARGE LIMITS ARE ESTABLISHED FOR EXISTING INDIVIDUAL <br />SAND FILTERS <br />CURRENT PERMITTING PROCESS: <br />- DESIGNED BY PROFESSIONAL ENGINEER <br />- PERMITTED BY DEM <br />- NO GOVERNMENTAL AGENCY DOES INSTALLATION INSPECTIONS <br />CURRENT MANAGEMENT PROCESS: NONE <br />PROPOSED MANAGEMENT PROCESS: <br />- OCHD WOULD REVIEW ENGINEERED PLANS <br />- OCHD WOULD CONDUCT INSTALLATION INSPECTIONS <br />- OCHD WOULD RE- INSPECT SYSTEM TWO TO FOUR TIMES PER YEAR <br />DEPENDING ON THE SIZE AND TYPE OF SYSTEM <br />- OCHD WOULD SAMPLE DISCHARGE ONE TIME PER YEAR <br />RATIONALE: <br />- SINCE THESE SYSTEMS DISCHARGE DIRECTLY TO THE SURFACE <br />WATERS, THEY NEED REGULAR MONITORING TO ASSURE THE <br />EFFLUENT IS OF PROPER QUALITY <br />STATE MANAGEMENT ENTITY REQUIREMENTS: NIA <br />STATE REVIEW REQUIREMENTS FOR OCHD: N/A <br />OCHD PROPOSAL CLASSIFICATION: CLASS III <br />STATE REGULATION CLASSIFICATION: N/A <br />