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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

St. Marys

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.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

76

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.75 ppb1613ND - 2.80 ppb
20151.32 ppb1610ND - 2.50 ppb
20161.79 ppb1615ND - 2.50 ppb
20171.64 ppb1614ND - 2.60 ppb
20181.49 ppb1611ND - 2.80 ppb
20192.53 ppb1613ND - 5.50 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

Date Lab ID Result
2014-02-20AI284152.10 ppb
2014-02-20AI284141.80 ppb
2014-02-20AI284132.60 ppb
2014-02-20AI284121.50 ppb
2014-05-21AI411802.30 ppb
2014-05-21AI411792.20 ppb
2014-05-21AI411782.20 ppb
2014-05-21AI41177ND
2014-08-20AI506502.50 ppb
2014-08-20AI50649ND
2014-08-20AI506511.70 ppb
2014-08-20AI506521.90 ppb
2014-11-19AI598842.80 ppb
2014-11-19AI598832.10 ppb
2014-11-19AI598822.30 ppb
2014-11-19AI59881ND
2015-02-18AI651652.20 ppb
2015-02-18AI651642.30 ppb
2015-02-18AI651632.20 ppb
2015-02-18AI651622.20 ppb
2015-05-19AI775301.70 ppb
2015-05-19AI775312.50 ppb
2015-05-19AI775332.30 ppb
2015-05-19AI775322.20 ppb
2015-08-19AI870821.60 ppb
2015-08-19AI87081ND
2015-08-19AI870801.90 ppb
2015-08-19AI87079ND
2015-11-23AJ01574ND
2015-11-23AJ01573ND
2015-11-23AJ01572ND
2015-11-23AJ01571ND
2016-02-18AJ067551.10 ppb
2016-02-18AJ06754ND
2016-02-18AJ067562.00 ppb
2016-02-18AJ067571.50 ppb
2016-05-24AJ128062.20 ppb
2016-05-24AJ128051.50 ppb
2016-05-24AJ128042.00 ppb
2016-05-24AJ128032.30 ppb
2016-08-16AJ228761.40 ppb
2016-08-16AJ228752.40 ppb
2016-08-16AJ228742.30 ppb
2016-08-16AJ228731.30 ppb
2016-11-21AJ339671.80 ppb
2016-11-21AJ339702.10 ppb
2016-11-21AJ339692.50 ppb
2016-11-21AJ339682.30 ppb
2017-02-22AJ469781.40 ppb
2017-02-22AJ469771.90 ppb
2017-02-22AJ469761.50 ppb
2017-02-22AJ46975ND
2017-05-31AJ563141.10 ppb
2017-05-31AJ563131.40 ppb
2017-05-31AJ563121.40 ppb
2017-05-31AJ56311ND
2017-08-16AJ646062.30 ppb
2017-08-16AJ646052.30 ppb
2017-08-16AJ646072.30 ppb
2017-08-16AJ646082.30 ppb
2017-11-20AJ740731.90 ppb
2017-11-20AJ740722.60 ppb
2017-11-20AJ740712.30 ppb
2017-11-20AJ740701.60 ppb
2018-02-22AJ844542.70 ppb
2018-02-22AJ844531.80 ppb
2018-02-22AJ844522.00 ppb
2018-02-22AJ844512.80 ppb
2018-06-13AJ91529ND
2018-06-13AJ915302.20 ppb
2018-06-13AJ915322.20 ppb
2018-06-13AJ915312.00 ppb
2018-08-15AJ979542.20 ppb
2018-08-15AJ979532.00 ppb
2018-08-15AJ979522.00 ppb
2018-08-15AJ97951ND
2018-11-15AK06238ND
2018-11-15AK062371.90 ppb
2018-11-15AK06236ND
2018-11-15AK06235ND
2019-02-19AK115812.30 ppb
2019-02-19AK115802.40 ppb
2019-02-19AK115822.70 ppb
2019-02-19AK115832.70 ppb
2019-05-14AK17432ND
2019-05-14AK174311.20 ppb
2019-05-14AK17430ND
2019-05-14AK17429ND
2019-08-20AK269872.00 ppb
2019-08-20AK269862.60 ppb
2019-08-20AK269852.80 ppb
2019-08-20AK269842.00 ppb
2019-11-19AK370875.50 ppb
2019-11-19AK370904.40 ppb
2019-11-19AK370894.80 ppb
2019-11-19AK370885.10 ppb