Connecticut Well Water Testing and Treatment Contractors

Find qualified Well Water Testing and Treatment contractors in Connecticut using our contractor lookup tool. Learn more about NGWA Contractor Certifications here.

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Greco and Haines Inc

Contractors Company
1730 Derby Milford Rd
Derby, CT 06418-2537
United States
(203) 735-9308

Canton Well Drilling

Contractors Company
61 River Rd PO Box 557
Pleasant Valley, CT 06063
(860) 379-2460

Foley's Pump Service

Contractors Company
30 Miry Brook Rd
Danbury, CT 06810-7410
United States
(203) 792-2236

Dirk Barry

Contractor Individual
36 Commerce St
Glastonbury, CT 06033
United States

DPC Quality Pump Service

Contractors Company
544 Bridgeport Ave
Milford, CT 06460-4202
United States
(800) 810-2336

Professional Water Systems Inc

Contractors Company
963 Ethan Allen Way
Ridgefiled, CT 06877
United States
(203) 431-6897

Findorak & Sons Inc

Contractors Company
36 Coley Rd
Wilton, CT 06897-2702
United States
(203) 762-5097

Loren Findorak Drilling Inc

Contractors Company
PO Box 7060
Wilton, CT 06897-7060
United States
(203) 762-0027

LaFramboise Well Drilling Inc

Contractors Company
647 Thompson Rd PO Box 303
Thompson, CT 06277-2239
United States
(860) 923-9543

Frequently Asked Questions

When should I have my well water tested?

The National Ground Water Association (NGWA) recommends well owners test their water at least annually for bacteria, nitrates, and any contaminants of local concern. More frequent testing should be considered if:

  • There is a change in the taste, odor, or appearance of the well water, or if a problem occurs such as a broken well cap, inundation by floodwaters, or a new contamination source
  • The well has a history of bacterial contamination
  • The septic system has recently malfunctioned
  • Family members or house guests have recurrent incidents of gastrointestinal illness
  • An infant is living in the home, or
  • To monitor the efficiency and performance of home water treatment equipment.

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What can impact groundwater quality?

Forty-seven percent of the United States depend on groundwater for their basic drinking water supply. Having a basic understanding about groundwater quality will help ensure that your well is supplying potable water for your household.

Along with human activities, water quality is affected by a combination of natural processes. Most relate to chemical compositions underground. However, other factors such as biological, physical, and radiological conditions can affect water quality as well.

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How is a well disinfected?

Properly constructed and maintained water well systems are designed to keep microorganisms such as bacteria, viruses, and protozoa from getting inside the well system and into the water. When a water test indicates the presence of microorganisms in a well, disinfection of the well system is recommended along with some level of inspection.

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Connecticut Groundwater and Water Well Statistics

Few states can accurately or confidentially determine how many residential wells are in place. For each region, the American Housing Survey by the U.S. Census provides regional data.

Connecticut is found in the Northeast, along with these other states: Maine, Vermont, New Hampshire, Massachusetts, Connecticut, Rhode Island, New York, New Jersey, and Pennsylvania.

The last American Housing Survey Census indicates this region had 3,210,0002 households served by residential wells, with an average of 2.63 persons per household. The USGS estimates the population of self-supplied water supply users in Connecticut to be 861,000, all supplied by groundwater.

  • 421 community water systems use groundwater for 269,900 people
  • 526 non-community, non-transient water systems use groundwater for 108,600 people
  • 1,443 non-community, transient water systems use groundwater for 60,400 people
  • 582 irrigation wells used serving 459 farms and 2,030 acres

Well Water Testing and Treatment Articles and Resources

Does My Water Well Need Treatment? By Gary L. Hix, R.G., CWD/PI Have you ever asked yourself: “Does my well water need treatment?” The question is not one you can answer if you have not had your water tested recently. You should ask yourself instead: “When was the last time I had my water tested?” If the answer to this question […]

PFAS and Private Well Owners: What You Need to Know NGWA published PFAS and Private Well Owners: What You Need to Know, a two-page fact sheet for home owners concerned about PFAS. Written in easy-to-understand language by groundwater professionals, it explains what PFAS are, how to test wells for PFAS, treatment options, and more.