Water Testing in Maryland, Virginia & Pennsylvania

Clean, great-tasting water starts with knowing what’s in it. At Carroll Water, we provide free water testing in Virginia, Maryland, and Pennsylvania to help residents understand their water quality. Whether your water comes from a private well or a public water system, our testing services can uncover hidden issues affecting taste, smell, clarity, and more.


Our skilled team has served local communities since 1983, offering comprehensive water testing, water treatment, and well services to protect homes and businesses. Contact our certified water specialists to set up an appointment and gain peace of mind about your water.

Why Test Your Water?

Regular water testing ensures that you get to enjoy cleaner, better water for your family. It also ensures your drinking water is potable and helps identify problems quickly. Water may look clean, but it can still contain invisible contaminants or mineral imbalances.

Well water, in particular, can contain impurities like heavy metals, bacteria, and hard minerals. The EPA recommends that private well owners test their water supply at least once a year.

If you rely on public water, many factors can still affect quality. For example, your tap water might contain lead from household plumbing or municipal systems. Or, it might smell and taste like chlorine as a side effect of chemical disinfection. Testing helps detect issues that generic municipal reports might not, giving you a clear picture of your water’s condition.

Testing can also reveal issues with your well equipment or existing filtration systems. If a unit or component isn’t working as it should or your well has been compromised, sometimes water quality testing can highlight the issue.

Technician installing an under-the-sink water softener

What Is Measured With Our Water Testing Services?

With free water testing for Pennsylvania, Maryland, and Virginia residents, we measure:

  1. pH Level: This measures the acidity or alkalinity of water. The pH of drinking water typically ranges between 6-8.5.
  2. Total Dissolved Solids (TDS): This measures the concentration of dissolved substances in water, which may consist of salts, minerals, and metals.
  3. Turbidity: This measures the clarity of water. High turbidity can be caused by sediment, particles, or even microorganisms suspended in water.
  4. Copper Levels: This tests for copper in your water, which can cause blue-green stains on fixtures and give water a metallic taste. High levels may indicate corrosive water.
  5. Hardness: This measures the concentration of minerals like calcium and magnesium in your water.
  6. Chlorine Levels: This checks for chlorine, which can affect your water’s taste and smell. While chlorine is commonly used for disinfection, excessive amounts can make water unpleasant to drink.
  7. Iron Levels: This measures iron content in your water.
  8. Nitrates: We test for nitrogen-oxygen compounds that can enter water from landfills, fertilizer runoff, septic systems, animal waste, and other sources. High nitrate levels can be especially harmful to pregnant women and infants.

Carroll Water also offers a full range of paid water analyses by local certified laboratories. With these tests, we can check for other, more serious water issues. This can include things like coliform bacteria, heavy metals such as lead and mercury, PFAS, and more.

Schedule Free Water Testing Today

Take the first step toward clean, better-tasting water. Schedule free water testing in Maryland, Virginia, or Pennsylvania with Carroll Water today. Our trained technicians will visit your home, test your water on site, and explain the results.

Contact us to book an appointment. There’s no obligation or charge for our standard testing— just answers you can trust and solutions that make sense for your property.

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FAQs About Water Testing

Do I need to test my water when it comes from a public water company (PWC)?

PWCs are required to provide annual water test results on EPA or state-regulated particles, contaminants, and disinfectants used to clean the water. However, this type of testing doesn’t always test for the problems that you’re concerned about. A professional water test from Carroll Water can pinpoint specific issues in your supply.

What are the most common contaminants found with a free water test?

Generally, in Maryland, Virginia, and Pennsylvania, the most common water quality issues we come across include:

  • High levels of chlorine
  • High levels of TDS
  • Ferrous or ferric iron
  • Low pH (often accompanies high copper levels, because acidic water can corrode pipes and leach copper into the water)
  • Nitrates
  • Hard water

Am I obligated to pay for the test if I don’t purchase water products?

You will not be charged for the on-site test even if you choose a different water partner. There may be fees for specialized tests that require lab equipment.

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