Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Monochloroacetic acid

City of Lampasas

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.35 ppb63ND - 6.40 ppb
20131.29 ppb84ND - 2.70 ppb
2014ND80ND
2015ND80ND
20161.36 ppb81ND - 10.9 ppb
2017ND80ND

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
2012-05-10AB89442ND
2012-05-10AB89441ND
2012-08-07AB973876.40 ppb
2012-08-07AB973835.70 ppb
2012-11-1512115680042.00 ppb
2012-11-151211568003ND
2013-01-2413016940042.70 ppb
2013-01-2413016940032.60 ppb
2013-05-0813053430052.50 ppb
2013-05-081305343004ND
2013-08-01Q1304803002ND
2013-08-01Q1304803001ND
2013-10-14Q13088350012.50 ppb
2013-12-19Q1318912001ND
2014-02-10AC42077ND
2014-02-10AC42075ND
2014-04-29AC52201ND
2014-04-29AC52167ND
2014-08-08AC62652ND
2014-08-08AC62651ND
2014-11-12AC71906ND
2014-11-12AC71903ND
2015-03-30AC86523ND
2015-03-30AC86522ND
2015-05-18AC92278ND
2015-05-18AC92279ND
2015-08-20AD04827ND
2015-08-20AD04832ND
2015-10-05AD09399ND
2015-10-05AD09394ND
2016-01-14AD18194ND
2016-01-14AD18192ND
2016-04-06AD32019ND
2016-04-06AD3205410.9 ppb
2016-07-13AD44041ND
2016-07-13AD44059ND
2016-10-11AD52963ND
2016-10-11AD52967ND
2017-01-30AD67500ND
2017-01-30AD67498ND
2017-04-06AD78736ND
2017-04-06AD78740ND
2017-07-12AD89061ND
2017-07-12AD89058ND
2017-11-21AE05535ND
2017-11-21AE05536ND