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Water Testing

Basic Potability

The Basic Potability Test provides a standard water analysis that can quickly and accurately determine the general quality of the water you drink. It is composed of 17 test parameters including bacteria, physical properties and chemical constituents.

The Environmental Protection Agency (EPA) recommends that all home owners have their well water tested annually. Many water contaminants have no color, odor, or taste and can only be detected through laboratory analysis. Houses that have children, pregnant women, and people with compromised immune systems are especially at risk when contaminants are present in drinking water. The basic profile meets the minimum requirements specified by CT state statutes.


Lead is a metal found in natural deposits that is commonly used in household plumbing materials and water service lines. Although most homes have very low levels of lead in their drinking water, some homes have levels greater than the USEPA maximum limit. Since you cannot see, taste or smell lead dissolved in water, testing is the only sure way of knowing if there are harmful amounts in your drinking water.


Arsenic is a metal that has no smell or taste. Arsenic is naturally present in bedrock in many places throughout CT and RI. When a drinking water well is drilled into bedrock containing arsenic, the arsenic can get into the well water. We know that there are private wells in locations across CT with high levels of arsenic.


Uranium is an element that has been in rocks since the earth was formed. Not all rocks contain uranium, but there are some places in the world where uranium is in the bedrock. Other related elements that may be found in association with uranium include radon (Rn-222). These other elements are part of a sequence formed through a transformation (decay) process that begins with the most prevalent form of “natural” (unprocessed) uranium (U-238).

Radon in Water

In most homes and buildings the primary lung cancer risk results from breathing air contaminated with radon gas entering through openings in the foundation or slab. In homes that use private wells, radon in water may contribute to the radon exposure and resulting lung cancer risk. Occupants of these homes will be inhaling radon gas that leaves the water during showering and other water uses. There is still controversy over the risk associated with ingested radon and there is continuing research in this area.