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U.S. Drinking Water Sanitation Still a Concern: CDC
Bacteria in plumbing systems, groundwater persist in causing outbreaks

THURSDAY, Sept. 5 (HealthDay News) -- While U.S. water sanitation has improved, bacteria-laden drinking water continues to cause disease outbreaks, according to a report released Thursday by federal health officials.

Legionella-tainted plumbing systems, untreated groundwater, and problems with distribution systems were the three main culprits identified in the 33 outbreaks reported to the U.S. Centers for Disease Control and Prevention from 2009 to 2010.

In all, unsanitary drinking water was responsible for 1,040 illnesses, 85 hospitalizations and nine deaths in 17 states during that time.

Legionella in community water systems was behind more than half of the outbreaks, while Campylobacter was the second most common outbreak cause, according to the report published in the Sept. 6 issue of CDC's Morbidity and Mortality Weekly Report.

Although Legionella, which causes a severe respiratory illness known as Legionnaires' disease, led to a greater number of outbreaks, other types of bacteria resulted in more illnesses, including acute gastrointestinal illness, according to the report.

States that reported drinking water-related outbreaks were California, Florida, Georgia, Idaho, Illinois, Maine, Maryland, Minnesota, Missouri, Montana, Nevada, New York, Ohio, Pennsylvania, South Carolina, Utah and Vermont.

The findings don't mean that consumers should change their source of drinking water.

"Bottled water is not necessarily safer than your tap water," according to the U.S. Environmental Protection Agency. "EPA sets standards for tap water provided by public water systems; the Food and Drug Administration sets bottled water standards. Bottled water and tap water are both safe to drink if they meet these standards."

Local water suppliers must notify customers immediately if a public heath threat exists from drinking water contamination, the EPA website notes.

Identifying and correcting problems with water-distribution systems and untreated groundwater systems could prevent many outbreaks and illnesses, while more research is needed to learn how to better control Legionella, the CDC report concludes.

More information

The U.S. Environmental Protection Agency has more about groundwater and drinking water.

SOURCE: U.S. Environmental Protection Agency website; Sept. 6, 2013, U.S. Centers for Disease Control and Prevention, Morbidity and Mortality Weekly Report

-- Lisa Esposito

Copyright © 2013 HealthDay. All rights reserved.

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