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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A C Schultes of Maryland Inc

Contractors Company
8221 Cloverleaf Dr
Millersville, MD 21108-1524
United States
(410) 841-6710

Able Well & Pump Service

Contractors Company
8156 Solley Rd
Pasadena, MD 21122-1198
(800) 633-8099

2S Well Drilling

Contractors Company
PO Box 186
Davidsonville, MD 21035
United States
(443) 343-7455

Tracy Thrasher

Contractor Individual
7550 Teague Rd
Hanover, MD 21076
United States
(973) 796-8915

Allied Environmental Services Inc

Contractors Company
PO Box 129
Annapolis Junction, MD 20701
(410) 789-2711

Chesapeake Geosystems

Contractors Company
6720 Ft Smallwood Rd
Baltimore, MD 21226-1709
United States
(410) 789-5020

Griffin Dewater Corporation

Contractors Company
10237 Southard Dr
Beltsville, MD 20705
United States

US Army Corp of Engineers

Contractors Company
2 Hopkins Plaza Room 7-E-27
Baltimore, MD 21201
United States
(410) 962-2002

Carroll Water - Harr Well Drilling

Contractors Company
12047 Falls Rd
Cockeysville, MD 21030
United States
(410) 252-4588

Shannahan Artesian Well Co LLC

Contractors Company
PO Box 730
St Michaels, MD 21663
United States
(410) 745-5071

Earth Data Inc

Contractors Company
131 Comet Dr
Centreville, MD 21617-2665
United States
(410) 758-8160

GSI Mid-Atlantic Inc

Contractors Company
PO Box 929
Bel Air, MD 21014
United States
(410) 569-9310

Liberty Pure Solutions Inc

Contractors Company
2824 Paper Mill Rd
Forest Hill, MD 21131
United States
(410) 420-8081

Easterday Wilson Water Services LLC

Contractors Company
9265 Brown Church Rd
Mount Airy, MD 21771
United States
(301) 831-5170

Wellwater Services

Contractors Company
1908 Rencos Way
Forest Hill, MD 21050-2330
(410) 557-0330

Find Well Water Testing and Treatment In

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.