Frequently Asked Questions about Drinking Water

Water quality of public drinking water supplies (Link to CT Department of Public Health (DPH))

• DPH Drinking Water Section

• Source Water Assessment Program (SWAP)

Certified Environmental Laboratories - List of in-state and out-of-state laboratories that test drinking water quality.  (Link to DPH)

The following publications (formatted as PDF) are available on the DPH website:

• Action Level List for Private Wells
• Chemical Exposure Fact Sheet
• Disinfection of a Well Water Supply
• Evaluating Private Well Chemical Sampling Results
• Lead in Drinking Water
• Manganese in Drinking Water
• MTBE in Private Well Water 
• Uranium in Private Well Water

Contacts for additional information:

• Private Wells
  • Investigation and cleanup of pollution affecting private drinking water wells: DEEP Potable Water Program (860-424-3705) or your local health department
  • General Information: CT DPH Private Well Program - (860) 509-7296
• Public Drinking Water
  • Investigation and cleanup of pollution affecting drinking water: DEEP Potable Water Program (860-424-3705) or your local health department
  • General Information: DPH Drinking Water Section (860-509-7333)
• Health Questions:  CT DPH Toxicology and Risk Assessment Program  (860-509-7742)

Related Information

Aquifer Protection Program

Ground Water

Potable Water Program