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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J H Barlow Pump & Supply Co Inc

Contractors Company
398 Wolcott Rd
Wolcott, CT 06716-2614
(203) 879-9230

Connecticut Wells Inc

Contractors Company
49 Hard Hill Rd N
Bethlehem, CT 06751-1518
(203) 266-5272

Grela Well Drilling Inc

Contractors Company
143 Main St
Terryville, CT 06786-6219
(860) 583-3237

General Borings Inc

Contractors Company
201 Straitsville Rd PO Box 7135
Prospect, CT 06712-1531
(203) 758-5817

Sima Drilling Company Inc

Contractors Company
150 Schoolhouse Rd
Cheshire, CT 06410-1242
United States
(203) 272-3077

Wragg Well Drilling and Pump Service LLC

Contractors Company
172 Baker Rd
Roxbury, CT 06783-1318
(860) 354-1989

Werner Water Systems LLC

Contractors Company
16 Jefferson Dr
New Milford, CT 06776
(203) 717-4454

Howard Tuttle & Sons Inc

Contractors Company
177 Quaker Farms Rd
Oxford, CT 06478-1760
(203) 735-2480

R A DeGrazia Well Co Inc

Contractors Company
15 S End Plz PO Box 7
New Milford, CT 06776-4200
(203) 798-0580

Ikuma Drilling

Contractors Company
21 Cedar Hill Rd
Newtown, CT 06470

Dalton Russell

Contractor Individual
29 TYLER LAKE HEIGHTS
GOSHEN, CT 06756
(203) 266-5272

Hungerfords Pump Service

Contractors Company
303 State St
North Haven, CT 06473
(203) 248-5541

Greco and Haines Inc

Contractors Company
1730 Derby Milford Rd
Derby, CT 06418-2537
(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
(203) 792-2236

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.