Know Your Environment. Protect Your Health.

Monochloroacetic acid

Lafourche Water District 1

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.

 

264

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.89 ppb6448ND - 5.20 ppb
20192.10 ppb64641.30 ppb - 2.70 ppb
20201.06 ppb3220ND - 2.50 ppb
20211.90 ppb3231ND - 3.50 ppb
20221.96 ppb4038ND - 3.67 ppb
20232.14 ppb3230ND - 4.10 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
2018-03-08353794040011.60 ppb
2018-03-08353794040022.10 ppb
2018-03-08353794040031.40 ppb
2018-03-08353794040041.60 ppb
2018-03-08353794040051.50 ppb
2018-03-08353794040062.00 ppb
2018-03-08353794040071.60 ppb
2018-03-08353794040082.10 ppb
2018-03-08353794040011.60 ppb
2018-03-08353794040022.10 ppb
2018-03-08353794040031.40 ppb
2018-03-08353794040041.60 ppb
2018-03-08353794040051.50 ppb
2018-03-08353794040062.00 ppb
2018-03-08353794040071.60 ppb
2018-03-08353794040082.10 ppb
2018-06-07353971350014.40 ppb
2018-06-07353971350024.70 ppb
2018-06-07353971350035.20 ppb
2018-06-07353971350044.80 ppb
2018-06-07353971350054.00 ppb
2018-06-07353971350064.30 ppb
2018-06-07353971350074.20 ppb
2018-06-07353971350084.60 ppb
2018-06-07353971350014.40 ppb
2018-06-07353971350024.70 ppb
2018-06-07353971350035.20 ppb
2018-06-07353971350044.80 ppb
2018-06-07353971350054.00 ppb
2018-06-07353971350064.30 ppb
2018-06-07353971350074.20 ppb
2018-06-07353971350084.60 ppb
2018-09-1835418817001ND
2018-09-1835418817002ND
2018-09-1835418817003ND
2018-09-1835418817004ND
2018-09-1835418817005ND
2018-09-1835418817006ND
2018-09-1835418817007ND
2018-09-1835418817008ND
2018-09-1835418817001ND
2018-09-1835418817002ND
2018-09-1835418817003ND
2018-09-1835418817004ND
2018-09-1835418817005ND
2018-09-1835418817006ND
2018-09-1835418817007ND
2018-09-1835418817008ND
2018-12-12354370610010.960 ppb
2018-12-12354370610021.50 ppb
2018-12-12354370610031.10 ppb
2018-12-12354370610041.30 ppb
2018-12-12354370610050.980 ppb
2018-12-12354370610061.10 ppb
2018-12-12354370610072.10 ppb
2018-12-12354370610081.20 ppb
2018-12-12354370610010.960 ppb
2018-12-12354370610021.50 ppb
2018-12-12354370610031.10 ppb
2018-12-12354370610041.30 ppb
2018-12-12354370610050.980 ppb
2018-12-12354370610061.10 ppb
2018-12-12354370610072.10 ppb
2018-12-12354370610081.20 ppb
2019-03-08354534310011.60 ppb
2019-03-08354534310022.10 ppb
2019-03-08354534310031.90 ppb
2019-03-08354534310042.10 ppb
2019-03-08354534310051.80 ppb
2019-03-08354534310062.10 ppb
2019-03-08354534310072.20 ppb
2019-03-08354534310082.40 ppb
2019-03-08354534310011.60 ppb
2019-03-08354534310022.10 ppb
2019-03-08354534310031.90 ppb
2019-03-08354534310042.10 ppb
2019-03-08354534310051.80 ppb
2019-03-08354534310062.10 ppb
2019-03-08354534310072.20 ppb
2019-03-08354534310082.40 ppb
2019-06-13354755040012.40 ppb
2019-06-13354755040022.60 ppb
2019-06-13354755040032.50 ppb
2019-06-13354755040042.20 ppb
2019-06-13354755040052.00 ppb
2019-06-13354755040062.40 ppb
2019-06-13354755040072.50 ppb
2019-06-13354755040082.50 ppb
2019-06-13354755040012.40 ppb
2019-06-13354755040022.60 ppb
2019-06-13354755040032.50 ppb
2019-06-13354755040042.20 ppb
2019-06-13354755040052.00 ppb
2019-06-13354755040062.40 ppb
2019-06-13354755040072.50 ppb
2019-06-13354755040082.50 ppb
2019-09-03354946630012.60 ppb
2019-09-03354946630022.70 ppb
2019-09-03354946630032.50 ppb
2019-09-03354946630042.50 ppb
2019-09-03354946630052.30 ppb
2019-09-03354946630062.40 ppb
2019-09-03354946630072.50 ppb
2019-09-03354946630082.60 ppb
2019-09-03354946630012.60 ppb
2019-09-03354946630022.70 ppb
2019-09-03354946630032.50 ppb
2019-09-03354946630042.50 ppb
2019-09-03354946630052.30 ppb
2019-09-03354946630062.40 ppb
2019-09-03354946630072.50 ppb
2019-09-03354946630082.60 ppb
2019-12-05355169870011.40 ppb
2019-12-05355169870021.60 ppb
2019-12-05355169870031.30 ppb
2019-12-05355169870041.40 ppb
2019-12-05355169870051.50 ppb
2019-12-05355169870061.70 ppb
2019-12-05355169870071.60 ppb
2019-12-05355169870081.40 ppb
2019-12-05355169870011.40 ppb
2019-12-05355169870021.60 ppb
2019-12-05355169870031.30 ppb
2019-12-05355169870041.40 ppb
2019-12-05355169870051.50 ppb
2019-12-05355169870061.70 ppb
2019-12-05355169870071.60 ppb
2019-12-05355169870081.40 ppb
2020-03-0635535842001ND
2020-03-06355358420022.50 ppb
2020-03-0635535842003ND
2020-03-0635535842004ND
2020-03-0635535842005ND
2020-03-0635535842006ND
2020-03-0635535842007ND
2020-03-0635535842008ND
2020-06-04355546200012.10 ppb
2020-06-04355546200022.10 ppb
2020-06-04355546200032.10 ppb
2020-06-04355546200041.70 ppb
2020-06-04355546200052.00 ppb
2020-06-04355546200061.80 ppb
2020-06-04355546200071.70 ppb
2020-06-04355546200081.70 ppb
2020-09-24355804040011.30 ppb
2020-09-24355804040021.40 ppb
2020-09-24355804040031.20 ppb
2020-09-24355804040041.30 ppb
2020-09-2435580404005ND
2020-09-2435580404006ND
2020-09-2435580404007ND
2020-09-24355804040081.30 ppb
2020-12-0335596506001ND
2020-12-03355965060021.80 ppb
2020-12-03355965060031.60 ppb
2020-12-03355965060041.80 ppb
2020-12-0335596506005ND
2020-12-03355965060061.50 ppb
2020-12-03355965060071.40 ppb
2020-12-03355965060081.50 ppb
2021-03-04356169540011.10 ppb
2021-03-04356169540021.40 ppb
2021-03-04356169540031.20 ppb
2021-03-04356169540041.20 ppb
2021-03-04356169540051.40 ppb
2021-03-04356169540061.30 ppb
2021-03-04356169540071.40 ppb
2021-03-04356169540081.70 ppb
2021-06-02356382980011.90 ppb
2021-06-03356382980021.60 ppb
2021-06-03356382980031.80 ppb
2021-06-03356382980041.70 ppb
2021-06-03356382980052.40 ppb
2021-06-03356382980062.60 ppb
2021-06-03356382980072.50 ppb
2021-06-03356382980082.30 ppb
2021-09-22356671030013.30 ppb
2021-09-22356671030023.50 ppb
2021-09-22356671030033.20 ppb
2021-09-2235667103004ND
2021-09-22356671030052.30 ppb
2021-09-22356671030063.50 ppb
2021-09-22356671030072.70 ppb
2021-09-22356671030083.50 ppb
2021-12-16356849840011.20 ppb
2021-12-16356849840021.50 ppb
2021-12-16356849840031.20 ppb
2021-12-16356849840041.40 ppb
2021-12-16356849840051.40 ppb
2021-12-16356849840061.50 ppb
2021-12-16356849840071.50 ppb
2021-12-16356849840081.70 ppb
2022-03-10357029340012.10 ppb
2022-03-10357029340021.70 ppb
2022-03-10357029340032.00 ppb
2022-03-10357029340041.90 ppb
2022-03-10357029340051.80 ppb
2022-03-10357029340061.60 ppb
2022-03-10357029340071.60 ppb
2022-03-10357029340081.20 ppb
2022-06-23B2202884-001ND
2022-06-23B2202884-0021.31 ppb
2022-06-23B2202884-0031.89 ppb
2022-06-23B2202884-0041.36 ppb
2022-06-23B2202884-005ND
2022-06-23B2202884-0063.67 ppb
2022-06-23B2202884-0071.39 ppb
2022-06-23B2202884-0083.23 ppb
2022-07-26357346250011.40 ppb
2022-07-26357346250021.50 ppb
2022-07-26357346250031.50 ppb
2022-07-26357346250041.50 ppb
2022-07-26357346250052.90 ppb
2022-07-26357346250062.50 ppb
2022-07-26357346250071.70 ppb
2022-07-26357346250081.60 ppb
2022-09-01357441380012.70 ppb
2022-09-01357441380022.90 ppb
2022-09-01357441380032.20 ppb
2022-09-01357441380042.80 ppb
2022-09-01357441380052.30 ppb
2022-09-01357441380062.60 ppb
2022-09-01357441380072.90 ppb
2022-09-01357441380082.70 ppb
2022-12-01357634170011.60 ppb
2022-12-01357634170022.10 ppb
2022-12-01357634170032.10 ppb
2022-12-01357634170042.30 ppb
2022-12-01357634170052.10 ppb
2022-12-01357634170062.00 ppb
2022-12-01357634170072.00 ppb
2022-12-01357634170081.80 ppb
2023-03-09357849550011.80 ppb
2023-03-09357849550021.60 ppb
2023-03-09357849550031.60 ppb
2023-03-09357849550042.70 ppb
2023-03-09357849550052.80 ppb
2023-03-09357849550063.00 ppb
2023-03-09357849550073.10 ppb
2023-03-09357849550082.60 ppb
2023-06-0835805314001ND
2023-06-0835805314002ND
2023-06-08358053140034.00 ppb
2023-06-08358053140042.60 ppb
2023-06-08358053140054.10 ppb
2023-06-08358053140063.10 ppb
2023-06-08358053140073.50 ppb
2023-06-08358053140082.80 ppb
2023-09-01358247740011.40 ppb
2023-09-01358247740021.70 ppb
2023-09-01358247740031.40 ppb
2023-09-01358247740041.40 ppb
2023-09-01358247740051.50 ppb
2023-09-01358247740061.60 ppb
2023-09-01358247740071.60 ppb
2023-09-01358247740081.70 ppb
2023-12-01358450810012.30 ppb
2023-12-01358450810022.10 ppb
2023-12-01358450810032.40 ppb
2023-12-01358450810042.00 ppb
2023-12-01358450810052.30 ppb
2023-12-01358450810062.10 ppb
2023-12-01358450810071.90 ppb
2023-12-01358450810081.80 ppb