If you are on a public water
supply and you turn on your faucet for a drink of water, you expect a
consistent level of water quality; free of contaminants. If you are on a private
well and you turn on your faucet, you really do not know what to expect.
The big difference is that public water supplies are regulated
under the Safe Drinking Water Act (SDWA). The SDWA has allowed people in
the United States to enjoy some of the cleanest drinking water in the world (as
per the EPA). The SDWA ensures that drinking water is protected at the
source; it ensures that the water is treated for contaminants, it is monitored
regularly to ensure that health-based standards are met, and that the
infrastructure that is in place to transport the water (pipes etc.) is properly
maintained.
However, if you have a private well your drinking water is NOT
mandated to be regulated. Unlike public water supplies, the government or the
state cannot come into your home to regularly check your drinking water quality
nor are they required to monitor your groundwater source. EPA estimates the
people on private wells make up 15 percent of the population
in the United States; 15% who may or may not be drinking potable water. It is
therefore important for private well owners to take it upon themselves to
protect and maintain their water quality. This includes making sure your
drinking water well is properly constructed (some states have well construction
guidelines and regulations), and learning what you can do to protect your
drinking water. While most believe that private water well sources are
safe, there are contaminants that occur naturally. These include:
- Microorganisms-
are mostly found in people who have shallower private water wells where
there is communication between the surface and the shallower water
sources. Micro-organisms such as bacteria, viruses, and parasites.
- Radionuclides-
these are naturally occurring radioactive elements that are found in naturally
in the rocks that underlying rocks and in the groundwater. These include
uranium and radium.
- Radon – is found
naturally and results from the breakdown of uranium.
- Heavy Metals –
Arsenic and chromium are two metals that may show up in your drinking
water because of the regional geology in the eastern US.
EPA recommends that private wells be tested at least once a year,
however not many private well owners heed this recommendation trusting only
aesthetic and sensory value of the water as a judge of water quality. For
people living in area where natural gas development is occurring, natural gas
development companies will be required as a part of their permit in New York
State to conduct baseline testing within predetermined area or a circle of
concern. The area will be determined site specifically i.e. not all well pads
are the same. This predetermined area is defined as the area where there is a
higher probability of water issues potentially arising. This monitoring will
help those rural residents determine the quality of the drinking water before
development activities occur.
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