Know Your Environment. Protect Your Health.

Monochloroacetic acid

St Bernard Parish Waterworks

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.

 

128

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0875 ppb322ND - 1.40 ppb
20190.816 ppb3216ND - 2.20 ppb
20200.603 ppb166ND - 3.40 ppb
20210.743 ppb169ND - 1.90 ppb
20221.01 ppb1610ND - 2.40 ppb
20231.23 ppb1612ND - 2.00 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-0235371881001ND
2018-02-0235371881002ND
2018-02-0235371881003ND
2018-02-0235371881004ND
2018-02-0235371881001ND
2018-02-0235371881002ND
2018-02-0235371881003ND
2018-02-0235371881004ND
2018-05-1735393024001ND
2018-05-1735393024002ND
2018-05-1735393024003ND
2018-05-1735393024004ND
2018-05-1735393024001ND
2018-05-1735393024002ND
2018-05-1735393024003ND
2018-05-1735393024004ND
2018-08-0835409845001ND
2018-08-0835409845002ND
2018-08-0835409845003ND
2018-08-0835409845004ND
2018-08-0835409845001ND
2018-08-0835409845002ND
2018-08-0835409845003ND
2018-08-0835409845004ND
2018-11-15354316960011.40 ppb
2018-11-1535431696002ND
2018-11-1535431696003ND
2018-11-1535431696004ND
2018-11-15354316960011.40 ppb
2018-11-1535431696002ND
2018-11-1535431696003ND
2018-11-1535431696004ND
2019-02-2135450025001ND
2019-02-2135450025002ND
2019-02-2135450025003ND
2019-02-21354500250040.950 ppb
2019-02-2135450025001ND
2019-02-2135450025002ND
2019-02-2135450025003ND
2019-02-21354500250040.950 ppb
2019-05-10354678650012.20 ppb
2019-05-1035467865002ND
2019-05-10354678650032.00 ppb
2019-05-1035467865004ND
2019-05-10354678650012.20 ppb
2019-05-1035467865002ND
2019-05-10354678650032.00 ppb
2019-05-1035467865004ND
2019-08-1335490047001ND
2019-08-1335490047002ND
2019-08-1335490047003ND
2019-08-13354900470042.20 ppb
2019-08-1335490047001ND
2019-08-1335490047002ND
2019-08-1335490047003ND
2019-08-13354900470042.20 ppb
2019-11-14355128550011.70 ppb
2019-11-14355128550021.50 ppb
2019-11-14355128550031.20 ppb
2019-11-14355128550041.30 ppb
2019-11-14355128550011.70 ppb
2019-11-14355128550021.50 ppb
2019-11-14355128550031.20 ppb
2019-11-14355128550041.30 ppb
2020-02-2135533044001ND
2020-02-2135533044002ND
2020-02-2135533044003ND
2020-02-2135533044004ND
2020-05-08355488630011.20 ppb
2020-05-08355488630021.000 ppb
2020-05-0835548863003ND
2020-05-08355488630041.30 ppb
2020-08-1335572259001ND
2020-08-1335572259002ND
2020-08-1335572259003ND
2020-08-1335572259004ND
2020-11-0635590485001ND
2020-11-06355904850020.940 ppb
2020-11-06355904850031.80 ppb
2020-11-06355904850043.40 ppb
2021-02-1935613606001ND
2021-02-1935613606002ND
2021-02-19356136060030.940 ppb
2021-02-19356136060041.000 ppb
2021-05-06356317040011.60 ppb
2021-05-06356317040021.70 ppb
2021-05-06356317040031.50 ppb
2021-05-06356317040041.90 ppb
2021-08-1235655692001ND
2021-08-1235655692002ND
2021-08-1235655692003ND
2021-08-1235655692004ND
2021-11-0435677155001ND
2021-11-04356771550021.000 ppb
2021-11-04356771550031.30 ppb
2021-11-04356771550040.950 ppb
2022-02-1635698069001ND
2022-02-1635698069002ND
2022-02-1635698069003ND
2022-02-1635698069004ND
2022-05-19357192240011.80 ppb
2022-05-19357192240021.90 ppb
2022-05-19357192240032.10 ppb
2022-05-19357192240041.10 ppb
2022-08-25357427100012.40 ppb
2022-08-25357427100021.50 ppb
2022-08-25357427100031.70 ppb
2022-08-25357427100041.40 ppb
2022-11-2135761579001ND
2022-11-21357615790020.910 ppb
2022-11-21357615790031.40 ppb
2022-11-2135761579004ND
2023-02-02357767640011.50 ppb
2023-02-02357767640021.80 ppb
2023-02-02357767640031.90 ppb
2023-02-02357767640041.90 ppb
2023-05-10357989090021.90 ppb
2023-05-10357989090041.80 ppb
2023-05-22358015790011.80 ppb
2023-05-22358015790021.30 ppb
2023-08-16358214290011.30 ppb
2023-08-16358214290021.20 ppb
2023-08-16358214290032.00 ppb
2023-08-16358214290041.20 ppb
2023-11-0235838997001ND
2023-11-0235838997002ND
2023-11-0235838997003ND
2023-11-0235838997004ND