Wisconsin Well Water Testing and Treatment Contractors

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

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Water Well Solutions

Contractors Company
N87W36051 Mapleton Street
Oconomowoc, WI 60119-9051
(630) 365-9099

Midwest Well Drilling & Hydro-Fracturing LLC

Contractors Company
31569 150th Ave
Cornell, WI 54732-6100
(715) 667-3050

Richardson Well Drilling

Contractors Company
10632 State Highway 70
Minocqua, WI 54548-9712
(715) 356-5321

Danwell Company

Contractors Company
181 305th Ave
Frederic, WI 54837-5706
(715) 653-2635

Steve Martell Well Drilling

Contractors Company
PO Box 28
Somerset, WI 54025-0028
(715) 247-5127

Wayne Holly Well Drilling

Contractors Company
71385 Hoover Line Rd
Iron River, WI 54847
(715) 372-4260

Layne Christensen Company

Contractors Company
W229 N1433 Westwood Dr Suite 100
Waukesha, WI 53186
United States
(281) 475-2600

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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Wisconsin Groundwater and Water Well Statistics

Groundwater plays an important role in Wisconsin’s economic vitality.

  • Approximately 340,000 known residential wells statewide
  • 997 community water systems use groundwater for 2,249,200 people
  • 943 non-community, non-transient water systems use groundwater for 201,400 people
  • 9,629 non-community, transient water systems use groundwater for 739,800 people
  • 5,170 irrigation wells used serving 1,850 farms and 429,000 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.