Know Your Environment. Protect Your Health.

Monochloroacetic acid

Rapides Parish Waterworks District 3

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.

 

129

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.48 ppb3220ND - 7.00 ppb
20190.719 ppb3212ND - 2.50 ppb
20203.33 ppb1614ND - 5.50 ppb
20211.62 ppb1615ND - 2.50 ppb
20221.14 ppb177ND - 3.67 ppb
20231.63 ppb168ND - 5.00 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
2018-03-22353817710015.80 ppb
2018-03-2235381771002ND
2018-03-22353817710037.00 ppb
2018-03-2235381771004ND
2018-03-22353817710015.80 ppb
2018-03-2235381771002ND
2018-03-22353817710037.00 ppb
2018-03-2235381771004ND
2018-06-2535400828001ND
2018-06-2535400828002ND
2018-06-2535400828003ND
2018-06-2535400828004ND
2018-06-2535400828001ND
2018-06-2535400828002ND
2018-06-2535400828003ND
2018-06-2535400828004ND
2018-09-27354209460013.00 ppb
2018-09-27354209460023.70 ppb
2018-09-27354209460032.70 ppb
2018-09-27354209460043.30 ppb
2018-09-27354209460013.00 ppb
2018-09-27354209460023.70 ppb
2018-09-27354209460032.70 ppb
2018-09-27354209460043.30 ppb
2018-12-14354373950013.40 ppb
2018-12-14354373950022.60 ppb
2018-12-14354373950032.50 ppb
2018-12-14354373950045.60 ppb
2018-12-14354373950013.40 ppb
2018-12-14354373950022.60 ppb
2018-12-14354373950032.50 ppb
2018-12-14354373950045.60 ppb
2019-03-2235456759001ND
2019-03-22354567590022.50 ppb
2019-03-22354567590032.20 ppb
2019-03-2235456759004ND
2019-03-2235456759001ND
2019-03-22354567590022.50 ppb
2019-03-22354567590032.20 ppb
2019-03-2235456759004ND
2019-06-1335475454001ND
2019-06-1335475454002ND
2019-06-1335475454003ND
2019-06-1335475454004ND
2019-06-1335475454001ND
2019-06-1335475454002ND
2019-06-1335475454003ND
2019-06-1335475454004ND
2019-09-2335500251001ND
2019-09-2335500251002ND
2019-09-2335500251003ND
2019-09-2335500251004ND
2019-09-2335500251001ND
2019-09-2335500251002ND
2019-09-2335500251003ND
2019-09-2335500251004ND
2019-12-11355182430011.80 ppb
2019-12-11355182430021.60 ppb
2019-12-11355182430032.10 ppb
2019-12-11355182430041.30 ppb
2019-12-11355182430011.80 ppb
2019-12-11355182430021.60 ppb
2019-12-11355182430032.10 ppb
2019-12-11355182430041.30 ppb
2020-03-10355370430014.70 ppb
2020-03-1035537043002ND
2020-03-1035537043003ND
2020-03-10355370430044.90 ppb
2020-06-23355589270011.60 ppb
2020-06-23355589270021.30 ppb
2020-06-23355589270031.20 ppb
2020-06-23355589270041.60 ppb
2020-09-28355813370015.30 ppb
2020-09-28355813370024.70 ppb
2020-09-28355813370034.00 ppb
2020-09-28355813370043.60 ppb
2020-12-16356000020015.10 ppb
2020-12-16356000020025.50 ppb
2020-12-16356000020034.90 ppb
2020-12-16356000020044.90 ppb
2021-03-22356213050012.10 ppb
2021-03-22356213050022.00 ppb
2021-03-22356213050031.70 ppb
2021-03-22356213050042.50 ppb
2021-06-21356433040031.10 ppb
2021-06-21356433040041.80 ppb
2021-06-21356433040051.40 ppb
2021-06-21356433040061.70 ppb
2021-09-02356615590011.50 ppb
2021-09-02356615590022.00 ppb
2021-09-02356615590032.10 ppb
2021-09-02356615590042.00 ppb
2021-12-02356815860011.90 ppb
2021-12-02356815860021.20 ppb
2021-12-02356815860030.940 ppb
2021-12-0235681586004ND
2022-03-0935702728001ND
2022-03-0935702728002ND
2022-03-0935702728003ND
2022-03-0935702728004ND
2022-06-08B2202707-0023.67 ppb
2022-07-2635734632001ND
2022-07-26357346320023.20 ppb
2022-07-26357346320032.80 ppb
2022-07-2635734632004ND
2022-09-2935750341001ND
2022-09-29357503410021.90 ppb
2022-09-29357503410031.50 ppb
2022-09-2935750341004ND
2022-12-0535765174001ND
2022-12-05357651740023.00 ppb
2022-12-05357651740033.30 ppb
2022-12-0535765174004ND
2023-03-2235787806001ND
2023-03-22357878060023.30 ppb
2023-03-2235787806003ND
2023-03-2235787806004ND
2023-06-2735809732001ND
2023-06-2735809732002ND
2023-06-2735809732003ND
2023-06-2735809732004ND
2023-09-2635830746001ND
2023-09-26358307460022.10 ppb
2023-09-26358307460031.90 ppb
2023-09-26358307460041.20 ppb
2023-12-13358481600014.10 ppb
2023-12-13358481600023.80 ppb
2023-12-13358481600034.60 ppb
2023-12-13358481600045.00 ppb