Orange County NC Website
Browse       Search
28 <br /> 1 C.J. Corvette said the standard is for a well to have a standard daily use of 12 hours. He <br /> 2 said, generally, there is a lot of water use in the morning and evening, but less throughout the <br /> 3 day. However, wells are tested for 24 hours to strain or stress them. <br /> 4 Commissioner Carter asked the hours of constant use could be decreased if there were <br /> 5 a containment system where water could be stored. <br /> 6 C.J. Corvette said yes, storage tanks can help manage drawdown. He said there are <br /> 7 storage requirements for public water supply to ensure demand can be met if it exceeds the <br /> 8 output of the wells. <br /> 9 <br /> 10 Slide #18 <br /> Public Supply Well Testing <br /> • Water quality samples for N <br /> contaminants 503 <br /> • Collected during drawdown testing <br /> • Advises on filtration requirements <br /> • Significantly larger sample spread <br /> than private wells <br /> 12 C.J. Corvette emphasized that iron and manganese are common in Piedmont wells. <br /> 13 Community wells tests look for significantly more constituents than private wells, including PFAS <br /> 14 compounds, radiologicals, and various organic and inorganic chemicals. <br /> 15 Commissioner Carter asked about testing stringency for private wells in Orange County. <br /> 16 Commissioner Fowler said she thinks Orange County only requires coliform testing. <br /> 17 Tony Whitaker said that is correct. <br /> 18 C.J. Corvette noted the cost difference, mentioning PFAS testing requires expensive <br /> 19 mass spectrometry which is unavailable to most homeowners. <br /> 20 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> 25 <br /> 26 <br /> 27 <br /> 28 <br /> 29 <br />