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Michael Papay, REHS

Michael Papay, REHS. Lee County Environmental Health Private Wells Septic Systems (919) 718-4641. Private Water Supply Wells . Types of Wells (in Lee County). Dug Bored Drilled. Dug Well. Literally “hand dug” Mineralogy from the soil Considered unsafe for drinking water

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Michael Papay, REHS

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  1. Michael Papay, REHS Lee County Environmental Health Private Wells Septic Systems (919) 718-4641

  2. Private Water Supply Wells

  3. Types of Wells (in Lee County) • Dug • Bored • Drilled

  4. Dug Well • Literally “hand dug” • Mineralogy from the soil • Considered unsafe for drinking water • Not protected from surface water intrusion • No casing • Rock-lined or un-lined walls • Water source very shallow (near ground surface) • Potential to transmit contaminants deeper

  5. Bored Well • 20- to 24-inches wide • Shallow, max 90 ft. (generally 35-ish) • Concrete casing / Tile casing (grout?) • Mineralogy from soil (& weathered rock) • Often coliform + (= unsafe) • Water source near ground surface • Root intrusion between casing sections • Potential to transmit contaminants deeper

  6. Drilled Well • Penetrates consolidated rock • Deep (100 – 400 feet, or more) • 6-inch casing (steel or PVC) • Mineralogy from the rock that holds the water

  7. Lee County Private Water Supply Well Program • Permitting & Inspection • New • Repair • Sampling • New Wells • Existing Wells

  8. Sampling • New Well Standard Kit • Microbiological • Inorganic • Nitrates/Nitrites • Individual Sample Types • Microbiological • Inorganic • Nitrates/Nitrites • Pesticides • Petroleum • VOCs • Extractables

  9. Microbiological • Coliform • Indicate the well is contaminated • If these are present then nastier microbes might be present • Fecal Coliform • From animal waste/poo

  10. Inorganic Analysis • Arsenic • Barium • Cadmium • Calcium • Chloride • Chromium • Copper • Fluoride • Iron • Lead • Magnesium • Manganese • Mercury • Nitrate/Nitrite • pH • Selenium • Silver • Sodium • Sulfate • Total Alkalinity • Total Hardness • Zinc

  11. Laws and Rules for Private Water Supply Wells • 40 CFR 141.2 (Definitions) • G.S. 87 Article 7 (N.C. Well Construction Act) • G.S. 130A Article 10 (N.C. Drinking Water Act) • 15A NCAC 02C .0100 (Well Constr. Standards) • 15A NCAC 02C .0300 (Permitting & Inspection) • 15A NCAC 18C .0100 (Protection of Public Water Supplies)

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