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United Water Rahway customers receive their water from the East and West branches of the Rahway River. The Rahway River Watershed comprises over 40 square miles encompassing such densely populated municipalities as Orange, Maplewood, Irvington, Union, Cranford and Clark. On a typical day, United Water pumps 5.5 million gallons of purified water to about 26,500 residents. United Water performs all of the functions of the city's water department, including operations and maintenance, laboratory testing, construction, billing and collections. In addition, United Water also performed a meter rollout program and itemized capital projects. 
At United Water we take great pride in our ability to provide you with drinking water that meets or surpasses all state and federal standards. We constantly monitor the quality of drinking water—before, during and after the purification process. In fact, we perform 15,000 tests on 3,200 water samples each year. We report the results to state and federal agencies. If you would like more information on water quality, call us at 1 877 303 2435. Our annual Consumer Confidence Report (CCR) provides detailed information about your water quality. You can download a portable document format(pdf) of our CCR. Consumer Confidence Report To view or print please download the free Adobe Acrobat Reader. It happens that
100 percent of Rahway’s water supply comes from the Rahway River.
This type of water is called surface water because it is stored on the
earth’s surface. The treatment process begins at the Rahway Water
Treatment Plant. Pumps draw the water
from the reservoir into the treatment plant. Next, the water flows through
a screen that removes sticks, fish, rock and other objects. The water
then travels up to the airstrippers, that remove Volatile Organic Compounds
(VOCs). From there chemicals aluminum sulfate and polymer are added
and bind small particles together to form larger particles called “floc”.
We do this because it's easier to remove larger particles from the water.
During the next step, the water mixes with the chemicals at the flocculation
station. Then the water flows to a settling basin where the floc falls
to the bottom. A small dose of chlorine is then added before the water
moves to the filter gallery where it flows through layers of anthracite
(coal), sand and gravel to remove the smallest remaining particles.
From there the water
is pumped into our GAC filters (Granular Activated Carbon) to remove
taste and odors and VOCs. Finally, we add another small does of chlorine,
and corrosion control chemicals to reduce the chance of lead dissolving
in the water from household plumbing. We then add a small amount of
sodium fluoride to reduce the incidence of dental carries (tooth decay)
in children. The treated water is then pumped out of the treatment plant
and out into the city. For more information on water-related
issues visit these sites: American
Water Works Association
Please email us.
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