March 2001, the New Jersey Private Well Testing Act (PWTA) was
signed into law, and its regulations became effective in
September 2002. The PWTA is a consumer information law that
requires sellers (or buyers) of property with potable wells in NJ
to test the untreated ground water for a variety of water quality
parameters, including up to 32 of human health concern, and to
review the test results prior to closing of title. Landlords are
also required to test their well water once every five years and
to provide each tenant with a copy of the test results. The test
data is submitted electronically by the test laboratories to the
NJ Department of Environmental Protection for retention,
notifying health department of water quality issues, and
statewide analysis of ground water quality.
20 to 25% of the wells in the State have been tested under this
program. Several maps were created to summarize PWTA
data. These maps are intended to provide information to
homeowners about potential risks .
Homeowners with private wells are encouraged to routinely test
their wells for bacteria, nitrates and other contaminants that
have been found to be a problem.
regulates the construction of private wells. A newly constructed
well is tested once for the presence of the contaminants
regulated under the Safe Drinking Water Act. Post construction
regulation of private wells is the responsibility of individual
counties or other local agencies.
more information on the Private
Well Testing Act please go to
The Department, in collaboration with Barnard College, Lamont-Doherty Earth Observatory and others, has developed a series of arsenic-related educational videos. The videos provide arsenic awareness for adults and children and information on testing your well water. Watch the videos here.