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EWG's Tap Water Database — 2019 UPDATE

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Dibromoacetic acid

Ayersville Water and Sewer District

NOTE: Ayersville Water and Sewer District purchases water from Defiance City which is required to test for dibromoacetic acid. Sample information shown below was taken by Defiance City.

Dibromoacetic 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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

92

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.48 ppb43ND - 5.20 ppb
20133.75 ppb441.40 ppb - 6.80 ppb
20142.64 ppb771.70 ppb - 4.60 ppb
20151.95 ppb881.20 ppb - 3.00 ppb
20162.68 ppb882.30 ppb - 3.20 ppb
20172.59 ppb881.30 ppb - 3.60 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for dibromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

NOTE: Ayersville Water and Sewer District purchases water from Defiance City which is required to test for dibromoacetic acid. Sample information shown below was taken by Defiance City.

Date Lab ID Result
2012-01-1012-10448-01ND
2012-01-1012-10448-02ND
2012-01-1012-10448-03ND
2012-01-1012-10448-04ND
2012-04-1012-13996-042.40 ppb
2012-04-1012-13996-032.20 ppb
2012-04-1012-13996-021.90 ppb
2012-04-1012-13996-011.80 ppb
2012-07-1012-18181-074.80 ppb
2012-07-1012-18181-063.60 ppb
2012-07-1012-18181-052.70 ppb
2012-07-1012-18181-043.20 ppb
2012-10-0912-22946-013.60 ppb
2012-10-0912-22946-023.60 ppb
2012-10-0912-22946-034.30 ppb
2012-10-0912-22946-043.50 ppb
2013-01-0813-10384-042.50 ppb
2013-01-0813-10384-032.00 ppb
2013-01-0813-10384-022.50 ppb
2013-01-0813-10384-012.80 ppb
2013-04-0913-14332-041.80 ppb
2013-04-0913-14332-031.30 ppb
2013-04-0913-14332-022.00 ppb
2013-04-0913-14332-012.10 ppb
2013-07-0913-18860-091.80 ppb
2013-07-0913-18860-102.20 ppb
2013-07-0913-18860-112.00 ppb
2013-07-0913-18860-122.10 ppb
2013-10-0813-23674-033.00 ppb
2013-10-0813-23674-063.80 ppb
2013-10-0813-23674-044.20 ppb
2013-10-0813-23674-053.70 ppb
2014-01-1414-10538-082.00 ppb
2014-01-1414-10538-072.10 ppb
2014-01-1414-10538-062.10 ppb
2014-01-1414-10538-092.20 ppb
2014-04-0814-14258-062.10 ppb
2014-04-0814-14258-051.80 ppb
2014-04-0814-14258-081.70 ppb
2014-04-0814-14258-071.60 ppb
2014-07-0814-18905-022.30 ppb
2014-07-0814-18905-042.00 ppb
2014-07-0814-18905-012.20 ppb
2014-07-0814-18905-032.00 ppb
2014-10-1014-24080-012.40 ppb
2014-10-1014-24080-042.20 ppb
2014-10-1014-24080-022.70 ppb
2014-10-1014-24080-032.20 ppb
2015-01-0915-10318-031.60 ppb
2015-01-0915-10318-021.80 ppb
2015-01-0915-10318-011.90 ppb
2015-01-0915-10318-041.80 ppb
2015-04-1015-14528-041.70 ppb
2015-04-1015-14528-071.40 ppb
2015-04-1015-14528-061.30 ppb
2015-04-1015-14528-051.80 ppb
2015-07-1015-19630-043.20 ppb
2015-07-1015-19630-072.30 ppb
2015-07-1015-19630-062.60 ppb
2015-07-1015-19630-052.60 ppb
2015-10-0915-24931-042.60 ppb
2015-10-0915-24931-032.60 ppb
2015-10-0915-24931-022.60 ppb
2015-10-0915-24931-013.10 ppb
2016-01-1116-10446-042.00 ppb
2016-01-1116-10446-032.00 ppb
2016-01-1116-10446-021.90 ppb
2016-01-1116-10446-012.30 ppb
2016-04-1116-15196-072.70 ppb
2016-04-1116-15196-062.70 ppb
2016-04-1116-15196-052.70 ppb
2016-04-1116-15196-043.00 ppb
2016-07-1116-20507-044.10 ppb
2016-07-1116-20507-053.50 ppb
2016-07-1116-20507-063.30 ppb
2016-07-1116-20507-073.10 ppb
2016-10-1016-27058-043.80 ppb
2016-10-1016-27058-033.60 ppb
2016-10-1016-27058-023.90 ppb
2016-10-1016-27058-014.70 ppb
2017-01-0917-10463-042.80 ppb
2017-01-0917-10463-032.20 ppb
2017-01-0917-10463-021.30 ppb
2017-01-0917-10463-012.40 ppb
2017-04-1017-16173-012.30 ppb
2017-04-1017-16173-021.70 ppb
2017-04-1017-16173-032.10 ppb
2017-04-1017-16173-042.90 ppb
2017-07-1117-22548-042.40 ppb
2017-07-1117-22548-032.90 ppb
2017-07-1117-22548-022.80 ppb
2017-07-1117-22548-013.10 ppb
2017-10-1017-29634-013.20 ppb
2017-10-1017-29634-023.70 ppb
2017-10-1017-29634-032.70 ppb
2017-10-1017-29634-043.20 ppb