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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Aqua Pa Bensalem

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.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
20170.425 ppb324ND - 4.80 ppb
20180.288 ppb324ND - 2.70 ppb
20190.372 ppb327ND - 2.10 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against system toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2017-01-0615502543ND
2017-01-0615502507ND
2017-01-0615502459ND
2017-01-0615502495ND
2017-01-0615502531ND
2017-01-0615502471ND
2017-01-0615502519ND
2017-01-0615502483ND
2017-04-0715922362ND
2017-04-0715922350ND
2017-04-0715922338ND
2017-04-0715922386ND
2017-04-0715922326ND
2017-04-0715922314ND
2017-04-13159223744.80 ppb
2017-04-1315922398ND
2017-07-1016399558ND
2017-07-1016399500ND
2017-07-1016399537ND
2017-07-10163995232.70 ppb
2017-07-10163995142.70 ppb
2017-07-13165508803.40 ppb
2017-07-1316550874ND
2017-08-1116550891ND
2017-10-1216867052ND
2017-10-1216867076ND
2017-10-1216867004ND
2017-10-1316867028ND
2017-10-1316867064ND
2017-10-1316867016ND
2017-10-1316866992ND
2017-10-1616867040ND
2018-01-05AF72777ND
2018-01-05AF72401ND
2018-01-05AF72791ND
2018-01-05AF72402ND
2018-01-05AF72400ND
2018-01-05AF72955ND
2018-01-05AF72965ND
2018-01-05AF72413ND
2018-04-05AF80571ND
2018-04-05AF80364ND
2018-04-06AF80368ND
2018-04-06AF80366ND
2018-04-06AF80729ND
2018-04-06AF80369ND
2018-04-06AF80365ND
2018-04-19AF81894ND
2018-07-13AF89692ND
2018-07-13AF896932.70 ppb
2018-07-13AF896942.20 ppb
2018-07-13AF89691ND
2018-07-31AF91174ND
2018-07-31AF911722.20 ppb
2018-07-31AF91173ND
2018-07-31AF911712.10 ppb
2018-10-04AF95862ND
2018-10-04AF97442ND
2018-10-05AF95864ND
2018-10-05AF95865ND
2018-10-05AF95866ND
2018-10-05AF97628ND
2018-10-05AF95867ND
2018-10-05AF95863ND
2019-01-03AG05246ND
2019-01-03AG05258ND
2019-01-04AG04293ND
2019-01-04AG04291ND
2019-01-04AG05461ND
2019-01-04AG04295ND
2019-01-04AG04294ND
2019-01-04AG04292ND
2019-04-04AG13207ND
2019-04-04AG13199ND
2019-04-04AG11882ND
2019-04-05AG11867ND
2019-04-05AG13469ND
2019-04-05AG11869ND
2019-04-05AG11865ND
2019-04-05AG13459ND
2019-07-05AG22536ND
2019-07-05AG20415ND
2019-07-05AG20412ND
2019-07-05AG22408ND
2019-07-05AG22546ND
2019-07-05AG204131.000 ppb
2019-07-05AG22417ND
2019-07-05AG20414ND
2019-10-03AG345631.70 ppb
2019-10-03AG318522.10 ppb
2019-10-03AG34572ND
2019-10-04AG31853ND
2019-10-04AG318551.90 ppb
2019-10-04AG318541.50 ppb
2019-10-04AG347861.60 ppb
2019-10-07AG347962.10 ppb