Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Monobromoacetic acid

City of Rockport

NOTE: City of Rockport purchases water from San Patricio Municipal Water District which is required to test for monobromoacetic acid. Sample information shown below was taken by San Patricio Municipal Water District.

Monobromoacetic 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.52 ppb13131.000 ppb - 5.60 ppb
20130.338 ppb165ND - 1.20 ppb
2014ND160ND
20150.194 ppb162ND - 1.70 ppb
20160.194 ppb163ND - 1.10 ppb
20170.238 ppb163ND - 1.40 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic 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 muscular degeneration.

ppb = parts per billion

All test results

NOTE: City of Rockport purchases water from San Patricio Municipal Water District which is required to test for monobromoacetic acid. Sample information shown below was taken by San Patricio Municipal Water District.

Date Lab ID Result
2012-07-1812076740043.60 ppb
2013-06-13AC220781.90 ppb
2014-06-16AC56879ND
2015-09-10AD065391.10 ppb
2016-06-01AD38963ND
2017-05-24AD85467ND