Maryland Well Water Testing and Treatment Contractors

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

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Michael Barlow Well Drilling Services Inc

Contractors Company
522 Underwood Ln
Bel Air, MD 21014-1834
800-822-6910

Jones Well Drlg Carroll Water Systems

Contractors Company
3700 Rush Rd
Jarrettsville, MD 21084-1624
United States
(410) 692-6981

Franks Well Drilling Inc

Contractors Company
8260 Crain Hwy
La Plata, MD 20646-4918
(301) 934-4240

Free State Drilling Inc

Contractors Company
9310 Cabbage Run Rd
Frederick, MD 21701-2214
(301) 845-0824

Connelly & Associates Inc.

Contractors Company
1513 Tilco Dr.
Frederick, MD 21704
(301) 696-8820

Winslow Pump & Well Inc

Contractors Company
PO Box 521
Hollywood, MD 20636-0521
United States
(301) 373-2200

Patuxent Pump & Well

Contractors Company
44205 Airport View Dr
Hollywood, MD 20636-3112
(301) 373-8727

Watson Pump & Well Drilling Inc

Contractors Company
PO Box 37
Great Mills, MD 20634
(301) 862-3341

Somerset Well Drilling Company Inc

Contractors Company
PO Box 67
Westover, MD 21871-0067
(410) 651-3721

Wayne's Water'n'Wells Inc

Contractors Company
19139 Garrett Hwy
Oakland, MD 21550-7115
(301) 387-7181

Brenneman Well Drilling Inc

Contractors Company
PO Box 245
Accident, MD 21520-0245
(301) 746-8666

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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Maryland 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.

Maryland is found in the South, along with these other states: Maryland, Delaware, Virginia, North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi, Texas, Oklahoma, Arkansas, Tennessee, and Kentucky.

The last American Housing Survey Census indicates this region had 4,360,0002 households served by residential wells, with an average of 2.683 persons per household. The USGS estimates the population of self-supplied water supply users in Maryland to be 1,420,000, all of which use groundwater.

  • 396 community water systems use groundwater for 959,000 people
  • 539 non-community, non-transient water systems use groundwater for 149,000 people
  • 2,260 non-community, transient water systems use groundwater for 331,400 people
  • 1,520 irrigation wells used serving 600 farms and 78,700 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.