Water Contaminants Found in Public Water Supplies

Quality of Water from Public-Supply Wells in the United States

by Patricia L. Toccalino and Jessica A. Hopple | USGS

More than 20 percent of untreated water samples from 932 public wells across the nation contained at least one contaminant at levels of potential health concern. About 105 million people - or more than one-third of the nation's population - receive their drinking water from one of the 140,000 public water systems across the U.S. that rely on groundwater pumped from public wells.

About 105 million people—more than one-third of the Nation’s population—receive their drinking water from one of the 140,000 public water systems across the United States that use groundwater as their source.

Scientists from the U.S. Geological Survey (USGS) assessed water-quality conditions in source (untreated) groundwater from 932 public wells, and in source and finished (treated) water from a subset of 94 wells. A greater number of chemical contaminants (as many as 337), both naturally occurring and man-made, were assessed in this study than in any previous national study of public wells.

The objectives of this study were to evaluate (1) the occurrence of contaminants in source water from public wells and their potential significance to human health, (2) whether contaminants that occur in source water also occur in finished water after treatment, and (3) the occurrence and characteristics of contaminant mixtures.

Read the USGS Study

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Prescription Drugs in Your Drinking Water? Find Out Here.

Prescription Drugs in Drinking Water
Reporter: Shannon Kantner | WILX.COM

Germs on a water fountain are no surprise, but what about drugs in the water?

"Most meds when they are taken are not completely absorbed by the body, they pass through unchanged," said Ron Melaragni, Adminstrative Director for Sparrow Pharmacy Plus. "They get into the water supply and cause pollution, even if it's minor."

In addition, there's the commonly held belief that people are supposed to flush leftover prescriptions down the toilet. Over the years that practice has taken its toll on wildlife, including fish with three eyes and two sets of reproductive organs, according to some studies.

"There is a lot of evidence that speaks to the residuals being in the receiving waters of the United States and the local community here," said Chad Gamble, Director of Public Service for the City of Lansing. "Now they're at very, very low levels, but we want to be on the front end of that. We want to be able to protect the environment."

Gamble said most waste water treatment facilities, including Lansing's, can't remove every leftover drug particle. That makes initiatives like the third annual Medication Disposal Event at the Capitol on Tuesday especially important.

"It's a source control issue, which is inviting people to take a little bit more time out of their day to dispose of their drugs when they're done using them in a safe and efficient manner," Gamble said.
This year more than 579 pounds of unwanted or expired medication was collected, which amounts to about $1 million worth.

At this point, experts say the flushing method hasn't made drinking water dangerous for humans yet. "But if this process continues, who knows what could happen," Melaragni said. "So, it's important to do it the right way, so it doesn't get in the water supply."

If you missed the Capitol's disposal event, there is a national one happening Sept. 29. There's also a new kit on the market that will soon be on pharmacy shelves for use in the home. It's just a little black plastic bag filled with a substance when mixed with warm water, neutralizes prescriptions - up to 45 pills or 6 ounces of liquid medicine can fit in it. Once it's mixed, you seal it, and throw it in the trash.

Pharmacisits also recommend using kitty litter or coffee grounds in a container with the prescriptions and dispose of them that way.

The Ingham County Sheriff's Office recently added a bin in their lobby where anyone can drop off old pills free of charge during normal business hours.

Questions About What's in Your Water - RainSoft Has Answers

RainSoft Water Facts

Maximum Contaminant Level Goals vs. Maximum Contaminant Levels

The environment has changed a lot in the last fifty years. Manufacturing and agricultural activities, along with our growing population, add an enormous amount of potentially hazardous materials to our environment. 

As a result, the U.S. Environmental Agency (EPA) and others have detected more than 700 different organic compounds in treated drinking-water supplies. 

To read more about water facts and contaminants go to RainSoft Water Facts.

To Request a Free In-Home Water Test visit RainSoft of Louisville Water Test.

RainSoft of Louisville

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Louisville, KY 40223

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Water Quality Still Important During Drought

Water Quality as important as quantity, even during drought

Arkansas Division of Agriculture | Updated: July 31, 2012

FAYETTEVILLE, Ark. – As Arkansas’ drought deepens, many are finding that “you don’t know what you’ve got ‘til it’s gone,” said John Pennington, Washington County extension agent for the University of Arkansas System Division of Agriculture.

Exceptional and severe drought in parts of Arkansas have left some communities without water and have prompted some water systems to put water-use restrictions in place as reservoirs and other waterways become more shallow by the day.

“Water users in northwestern Arkansas are faring a little better, with lake levels that are still at 90 percent full,” Pennington said. “However, the longer we go without 9-23 or so inches of soaking rainfall across the state between now and September to end the drought, a lot more may be mandated to restrict some water uses.

“It’s a strange concept, to go without water, especially so when water is essential to so many things in life as we know it and it’s a resource we take for granted,” he said. “Without enough water we can’t produce food crops, forage for grazing animals, survive, or much less water our lawns.”

However, even at time when water quantity is of prime importance, water quality still matters.

“In times like these, I can certainly understand the perspective of some our neighbors in the western U.S., who think ‘who cares about water quality, when you don’t have enough water quantity?” Pennington said.

“As the pressure mounts on our water supplies, so does the pressure to preserve its quality,” he said. “This means protecting our water as much as we can by tackling the things that can degrade our water quality, including not over-fertilizing our lawns, properly disposing of trash such as cigarette butts, and using other best management practices to prevent runoff from washing pollutants it into the waterways and reservoirs here in the Natural State.”

Pennington said that “as soon as the rains come back and begin to fill the wells and drinking reservoirs around the state, we’ll all be wanting our drinking, fishing, and swimming water to be of high quality.”

To preserve both quality and quantity, many Arkansans are implementing voluntary measures.

For example, some aren’t watering the lawn anymore because they see it as a waste of water or too costly.

Mike Daniels, Extension water quality specialist for the U of A Division of Agriculture said: “I won’t water my lawn with treated water, because treated water has is too high of a quality for that use.”

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RainSoft of Louisville

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Louisville, KY 40223

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