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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Ocean Springs

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.500 ppb122ND - 3.00 ppb
2015N/A00N/A
20162.33 ppb32ND - 4.00 ppb
20172.00 ppb21ND - 4.00 ppb
20181.000 ppb21ND - 2.00 ppb
2019ND10ND

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
2014-02-12140213-004HAND
2014-02-12140213-003HAND
2014-02-12140213-002HAND
2014-02-12140213-001HAND
2014-04-28140429-014HA3.00 ppb
2014-04-28140429-013HA3.00 ppb
2014-04-28140429-008HAND
2014-04-28140429-007HAND
2014-08-11140812-033HAND
2014-08-11140812-034HAND
2014-08-11140812-022HAND
2014-08-11140812-021HAND
2016-06-22160623-006HAND
2016-12-05161206-005HA4.00 ppb
2016-12-05161206-004HA3.00 ppb
2017-08-14170815-007HAND
2017-08-14170815-006HA4.00 ppb
2018-06-06180607-022HAND
2018-06-06180607-012HA2.00 ppb
2019-12-18191219-003HAND