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Minutes - 19910107
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Minutes - 19910107
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BOCC
Date
1/7/1991
Meeting Type
Regular Meeting
Document Type
Minutes
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6 <br /> 1 The County Commissioners questioned the report procedure used <br /> 2 by the State in their monitoring of these systems and asked that DEM be <br /> 3 requested to furnish copies of these reports to the Health Director. <br /> 4 Commissioner Gordon asked for some comparison data on all the <br /> 5 existing systems permitted by DEM in Orange County. This would include <br /> 6 how long they have been in existence, what the failure rate is, etc. <br /> 7 With regard to package treatment plants, Commissioner <br /> 8 Willhoit asked that a list be obtained of those systems which are self <br /> 9 monitored along with the monthly reports that have been submitted to <br /> 10 DEM to see if they are in compliance. The Health Department is not <br /> 11 aware of what happens to those reports or how they are processed. They <br /> 12 do know the location of all these systems. <br /> 13 Dan Reimer reported that there are 15,000 conventional <br /> 14 systems, 400 residential low pressure pipe systems, 20 engineered <br /> 15 systems, 40 non-single family dwelling systems, and six sludge disposal <br /> 16 sites in Orange County. <br /> 17 Dr. Bob Rubin, North Carolina State University, reviewed the <br /> 18 history, technology and reliability of alternative waste treatment <br /> 19 systems. He explained that the design criteria are how big the pipe <br /> 20 must be and how much water you have to get from here to there. <br /> 21 Performance criteria are protecting public health and environmental <br /> 22 quality in the County. He stated that the systems need to be monitored <br /> 23 more than four times a year to determine if a system is operating <br /> 24 properly. There must be some reliability and efficiency function built <br /> 25 into the design criteria. Flexibility must be built into waste <br /> 26 treatment systems. It is costly to design a system properly and to <br /> 27 install the system properly. It is costly to monitor and maintain these <br /> 28 systems if it is done properly. The first thing done when a permit is <br /> 29 obtained from the state is that a request is made for a wasteload <br /> 30 allocation. That wasteload allocation tells the design engineer what <br /> 31 level of treatment is required and that level of treatment is determined <br /> 32 by the quality of the receiving stream. The next step is to identify <br /> 33 pretreatment processes that would meet those limits. The design <br /> 34 engineer would then develop for that client an operation and maintenance <br /> 35 manual. All the systems that discharge to surface water require a <br /> 36 certified operator. The certification of that operator is dependant <br /> 37 upon the level of complexity of the treatment plant. The operator must <br /> 38 have a monitoring report to the State every month. He stated that every <br /> 39 county which utilizes type one through type six systems is going to be <br /> 40 required to have in place some kind of management entity to insure that <br /> 41 those systems are operated properly. With reference to risk management, <br /> 42 he stated that there are potential problems with every type of system. <br /> 43 He explained in detail some of these problems. To maximize risk <br /> 44 management techniques, the County can, when making inspections, look for <br /> 45 poor drainage, check pump levels, controls, etc. , and use preventive <br /> 46 maintenance. The County needs to have in place a spill control plan. <br /> 47 With reference to the Memorandum of Understanding he will provide to the <br /> 48 County Commissioners an educational package with what should be included <br /> 49 in a typical Memorandum of Understanding with the state. A workplan <br /> 50 also needs to be developed. The County would specify how they will do <br /> 51 what they say they are going to do in the Memorandum. <br /> 52 Commissioner Willhoit requested that someone be sent to <br />
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