Water filter service in Pennsylvania

Pennsylvania has no statewide private well construction standards

This is the single most important thing to know about well water in Pennsylvania, and most well owners here do not know it.

Pennsylvania is one of only a very small number of states with no mandatory statewide construction standards for private water wells. There are no statewide requirements covering casing depth, grouting, sanitary well caps, or wellhead completion. A handful of townships and boroughs have local rules. Most do not.

The Department of Environmental Protection is direct about this. Asked whether it regulates private homeowner wells, the answer is no. DEP sets standards for public water systems and offers voluntary guidance to private well owners, and that is the extent of it.

What is regulated is who may drill. Under the Water Well Drillers License Act of 1955, anyone drilling commercially must hold a licence, and a completion report must be filed for every new well with the Pennsylvania Geological Survey. That governs the driller rather than the quality of the finished well.

Why that matters at your tap

More than a million private wells in Pennsylvania serve over three million people, and roughly 20,000 new wells are drilled each year. None of them are subject to a construction standard or a testing requirement.

The practical consequence is that cost-cutting during construction is common, and the components most often omitted are the ones that keep surface water out: the sanitary well cap and the grout seal around the casing. Most states require both.

A study by the Center for Rural Pennsylvania found that 40 percent of private water wells in the state failed at least one health-related drinking water standard. That figure is not about geology. A large part of it is about how the wells were built and whether anyone has ever looked.

So in Pennsylvania the first thing we look at on a well job is often not the water. It is the well cap, whether the casing is grouted and stands proud of the ground, and whether the wellhead floods.

Testing is on you, and nobody will prompt you

There is no equivalent of New Jersey's testing-on-sale requirement here. A property can change hands in Pennsylvania with a well that has never been tested, and frequently does.

The recommendation is an annual laboratory test for total coliform and E. coli, nitrate, and pH, with hardness, iron, and manganese included because they decide equipment selection. Arsenic and radon are worth adding in the parts of the state where the geology supports them.

If you are buying a property on a well in Pennsylvania, commission your own test as a condition of sale. No statute will do it for you, and the seller has no obligation to have done it.

Licensing for the work itself

Home improvement contractors in Pennsylvania register under the Home Improvement Consumer Protection Act, and the registration number has to appear in advertising and on contracts.

Plumbing licensing is different here from the neighbouring states. It is handled at municipal level rather than by the Commonwealth, so the requirement genuinely varies between one township and the next. We confirm the position with your local authority for your address rather than assuming it from a neighbouring town.

Who regulates drinking water in Pennsylvania

Public water systems in Pennsylvania are regulated under the federal Safe Drinking Water Act, administered by the state, and every community system must publish an annual Consumer Confidence Report describing what it found in the previous calendar year. Those reports are normally published by July 1.

Private wells sit outside that framework entirely. No agency samples them and no report is issued, so a well owner in Pennsylvania is the only person who will ever test that water.

Licensing in Pennsylvania

Registered with the Pennsylvania Office of Attorney General. Registration number available on request.

Every area we cover in Pennsylvania

Grouped by county. Smaller towns are served through the nearest listed area, so if yours is not here, use the closest one or send us your address.

Names shown as links have a local page with sourced water data for that town. The rest are areas we serve where the research is not yet published, so there is nothing local to read yet. Either way, send us your address.

Allegheny County

Berks County

Bucks County

Dauphin County

Delaware County

Erie County

Lackawanna County

Lancaster County

Lehigh County

Montgomery County

Northampton County

Philadelphia County

What we do across the state

• Free water testing. Typically 45 to 60 minutes.
• Whole-house filter installation. Typically 3 to 5 hours.
• Under-sink reverse osmosis installation. Typically 2 to 4 hours.
• Repair, any brand. Typically 1 to 3 hours.

• Whole-house filtration
• Water softeners
• Salt-free conditioners
• Reverse osmosis, tank
• Reverse osmosis, tankless
• Under-sink carbon filters

Sources

• Private Wells. Pennsylvania Department of Environmental Protection, 2025.
• Sanitary Water Well Construction. Penn State Extension, 2024.
• Private Well Water. Pennsylvania Department of Health, 2024.