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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Warren County Water System

NOTE: Warren County Water System purchases water from Warrenton which is required to test for monochloroacetic acid. Sample information shown below was taken by Warrenton.

Monochloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

60

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.61 ppb1614ND - 6.70 ppb
20130.600 ppb41ND - 2.40 ppb
20140.600 ppb82ND - 2.40 ppb
20150.925 ppb82ND - 3.90 ppb
20160.800 ppb82ND - 3.60 ppb
20171.65 ppb83ND - 4.70 ppb

ppb = parts per billion

All test results

NOTE: Warren County Water System purchases water from Warrenton which is required to test for monochloroacetic acid. Sample information shown below was taken by Warrenton.

Date Lab ID Result
2012-02-07AH528123.90 ppb
2012-02-07AH52811ND
2012-02-07AH528102.70 ppb
2012-02-07AH528092.00 ppb
2012-06-25AH679672.00 ppb
2012-06-25AH679682.70 ppb
2012-06-25AH679692.50 ppb
2012-06-25AH679702.40 ppb
2012-08-20AH750764.20 ppb
2012-08-20AH750752.30 ppb
2012-08-20AH750742.70 ppb
2012-08-20AH750732.80 ppb
2012-11-12AH838792.70 ppb
2012-11-12AH838802.20 ppb
2012-11-12AH83881ND
2012-11-12AH838826.70 ppb
2013-02-20AH895765.80 ppb
2013-02-20AH895754.00 ppb
2013-02-20AH895743.20 ppb
2013-02-20AH895736.90 ppb
2013-05-14AI015244.30 ppb
2013-05-14AI015233.70 ppb
2013-05-14AI015255.80 ppb
2013-05-14AI01526ND
2013-09-18AI16147ND
2013-09-18AI16146ND
2013-12-17AI25071ND
2013-12-17AI25070ND
2014-03-19AI36305ND
2014-03-19AI36304ND
2014-06-17AI43440ND
2014-06-17AI43439ND
2014-09-23AI54993ND
2014-09-23AI54992ND
2014-12-16AI61682ND
2014-12-16AI61681ND
2015-03-18AI69381ND
2015-03-18AI69380ND
2015-06-16AI799362.50 ppb
2015-06-16AI79935ND
2015-09-23AI90690ND
2015-09-23AI906892.80 ppb
2015-12-15AJ02969ND
2015-12-15AJ02968ND
2016-03-22AJ08566ND
2016-03-22AJ08567ND
2016-06-22AJ150123.30 ppb
2016-06-22AJ15011ND
2016-09-19AJ27822ND
2016-09-19AJ27821ND
2016-12-07AJ36314ND
2016-12-07AJ36313ND
2017-03-20AJ48395ND
2017-03-20AJ48396ND
2017-06-12AJ572743.50 ppb
2017-06-12AJ57273ND
2017-09-20AJ687152.30 ppb
2017-09-20AJ68714ND
2017-12-11AJ75253ND
2017-12-11AJ75252ND