Know Your Environment. Protect Your Health.

Monochloroacetic acid

Monroe Water System

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.

 

280

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.453 ppb6414ND - 2.50 ppb
20194.29 ppb8266ND - 13.7 ppb
20201.69 ppb3224ND - 3.10 ppb
20212.43 ppb32321.20 ppb - 3.90 ppb
20222.35 ppb3831ND - 5.00 ppb
20231.60 ppb3220ND - 4.20 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
2018-02-0935374042001ND
2018-02-0935374042002ND
2018-02-0935374042003ND
2018-02-0935374042004ND
2018-02-0935374042005ND
2018-02-0935374042006ND
2018-02-0935374042007ND
2018-02-0935374042008ND
2018-02-0935374042001ND
2018-02-0935374042002ND
2018-02-0935374042003ND
2018-02-0935374042004ND
2018-02-0935374042005ND
2018-02-0935374042006ND
2018-02-0935374042007ND
2018-02-0935374042008ND
2018-05-1135391887001ND
2018-05-1135391887002ND
2018-05-1135391887003ND
2018-05-1135391887004ND
2018-05-1135391887005ND
2018-05-1135391887006ND
2018-05-1135391887007ND
2018-05-1135391887008ND
2018-05-1135391887001ND
2018-05-1135391887002ND
2018-05-1135391887003ND
2018-05-1135391887004ND
2018-05-1135391887005ND
2018-05-1135391887006ND
2018-05-1135391887007ND
2018-05-1135391887008ND
2018-08-0835410403001ND
2018-08-0835410403002ND
2018-08-0835410403003ND
2018-08-0835410403004ND
2018-08-0835410403005ND
2018-08-0835410403006ND
2018-08-0835410403007ND
2018-08-08354104030082.20 ppb
2018-08-0835410403001ND
2018-08-0835410403002ND
2018-08-0835410403003ND
2018-08-0835410403004ND
2018-08-0835410403005ND
2018-08-0835410403006ND
2018-08-0835410403007ND
2018-08-08354104030082.20 ppb
2018-11-05354297000012.30 ppb
2018-11-05354297000022.50 ppb
2018-11-05354297000032.10 ppb
2018-11-05354297000041.70 ppb
2018-11-05354297000051.80 ppb
2018-11-05354297000061.90 ppb
2018-11-0535429700007ND
2018-11-0535429700008ND
2018-11-05354297000012.30 ppb
2018-11-05354297000022.50 ppb
2018-11-05354297000032.10 ppb
2018-11-05354297000041.70 ppb
2018-11-05354297000051.80 ppb
2018-11-05354297000061.90 ppb
2018-11-0535429700007ND
2018-11-0535429700008ND
2019-02-063544680100112.8 ppb
2019-02-063544680100210.4 ppb
2019-02-063544680100313.0 ppb
2019-02-063544680100412.9 ppb
2019-02-063544680100511.1 ppb
2019-02-063544680100610.8 ppb
2019-02-06354468010079.20 ppb
2019-02-063544680100813.7 ppb
2019-02-063544680100112.8 ppb
2019-02-063544680100210.4 ppb
2019-02-063544680100313.0 ppb
2019-02-063544680100412.9 ppb
2019-02-063544680100511.1 ppb
2019-02-063544680100610.8 ppb
2019-02-06354468010079.20 ppb
2019-02-063544680100813.7 ppb
2019-03-12354546480013.60 ppb
2019-03-12354546480013.60 ppb
2019-05-08354678380015.90 ppb
2019-05-08354678380026.40 ppb
2019-05-08354678380035.50 ppb
2019-05-08354678380044.80 ppb
2019-05-08354678380053.70 ppb
2019-05-08354678380065.00 ppb
2019-05-08354678380075.50 ppb
2019-05-08354678380086.80 ppb
2019-05-08354678380015.90 ppb
2019-05-08354678380026.40 ppb
2019-05-08354678380035.50 ppb
2019-05-08354678380044.80 ppb
2019-05-08354678380053.70 ppb
2019-05-08354678380065.00 ppb
2019-05-08354678380075.50 ppb
2019-05-08354678380086.80 ppb
2019-05-30354720920013.10 ppb
2019-05-30354720920022.30 ppb
2019-05-30354720920032.90 ppb
2019-05-30354720920042.10 ppb
2019-05-30354720920013.10 ppb
2019-05-30354720920022.30 ppb
2019-05-30354720920032.90 ppb
2019-05-30354720920042.10 ppb
2019-05-31354720920052.40 ppb
2019-05-31354720920062.80 ppb
2019-05-31354720920072.20 ppb
2019-05-31354720920082.50 ppb
2019-05-31354720920052.40 ppb
2019-05-31354720920062.80 ppb
2019-05-31354720920072.20 ppb
2019-05-31354720920082.50 ppb
2019-08-0135487255001ND
2019-08-0135487255002ND
2019-08-0135487255003ND
2019-08-0135487255004ND
2019-08-0135487255005ND
2019-08-0135487255006ND
2019-08-0135487255007ND
2019-08-0135487255008ND
2019-08-0135487255001ND
2019-08-0135487255002ND
2019-08-0135487255003ND
2019-08-0135487255004ND
2019-08-0135487255005ND
2019-08-0135487255006ND
2019-08-0135487255007ND
2019-08-0135487255008ND
2019-11-07355109550012.00 ppb
2019-11-07355109550021.70 ppb
2019-11-07355109550032.00 ppb
2019-11-07355109550041.80 ppb
2019-11-07355109550051.90 ppb
2019-11-07355109550062.10 ppb
2019-11-07355109550071.40 ppb
2019-11-07355109550081.70 ppb
2019-11-07355109550012.00 ppb
2019-11-07355109550021.70 ppb
2019-11-07355109550032.00 ppb
2019-11-07355109550041.80 ppb
2019-11-07355109550051.90 ppb
2019-11-07355109550062.10 ppb
2019-11-07355109550071.40 ppb
2019-11-07355109550081.70 ppb
2020-02-0735529452001ND
2020-02-0735529452002ND
2020-02-0735529452003ND
2020-02-0735529452004ND
2020-02-0735529452005ND
2020-02-0735529452006ND
2020-02-07355294520072.70 ppb
2020-02-0735529452008ND
2020-05-01355471300011.70 ppb
2020-05-01355471300021.70 ppb
2020-05-01355471300032.00 ppb
2020-05-01355471300042.00 ppb
2020-05-01355471300051.70 ppb
2020-05-01355471300061.80 ppb
2020-05-01355471300071.70 ppb
2020-05-01355471300081.60 ppb
2020-08-13355709190012.90 ppb
2020-08-13355709190022.80 ppb
2020-08-13355709190032.90 ppb
2020-08-13355709190042.80 ppb
2020-08-13355709190052.60 ppb
2020-08-13355709190063.10 ppb
2020-08-13355709190072.90 ppb
2020-08-1335570919008ND
2020-11-02355892160012.40 ppb
2020-11-02355892160022.30 ppb
2020-11-02355892160032.40 ppb
2020-11-02355892160042.20 ppb
2020-11-02355892160052.30 ppb
2020-11-02355892160062.30 ppb
2020-11-02355892160072.30 ppb
2020-11-02355892160081.000 ppb
2021-02-04356098740011.80 ppb
2021-02-04356098740022.30 ppb
2021-02-04356098740032.20 ppb
2021-02-04356098740042.00 ppb
2021-02-04356098740052.00 ppb
2021-02-04356098740061.90 ppb
2021-02-04356098740072.20 ppb
2021-02-04356098740082.30 ppb
2021-05-06356316760013.30 ppb
2021-05-06356316760023.40 ppb
2021-05-06356316760033.20 ppb
2021-05-06356316760043.20 ppb
2021-05-06356316760053.20 ppb
2021-05-06356316760063.00 ppb
2021-05-06356316760072.40 ppb
2021-05-06356316760081.90 ppb
2021-08-11356558860013.40 ppb
2021-08-11356558860023.90 ppb
2021-08-11356558860033.80 ppb
2021-08-11356558860043.50 ppb
2021-08-11356558860053.80 ppb
2021-08-11356558860073.80 ppb
2021-08-11356558860081.30 ppb
2021-09-27356662350013.00 ppb
2021-11-09356767280011.30 ppb
2021-11-09356767280021.30 ppb
2021-11-09356767280031.40 ppb
2021-11-09356767280041.20 ppb
2021-11-09356767280051.50 ppb
2021-11-09356767280061.40 ppb
2021-11-09356767280071.50 ppb
2021-11-09356767280081.20 ppb
2022-02-0235695215001ND
2022-02-0235695215002ND
2022-02-0235695215003ND
2022-02-0235695215004ND
2022-02-0235695215005ND
2022-02-02356952150071.50 ppb
2022-02-02356952150081.20 ppb
2022-02-03356952150061.20 ppb
2022-05-12357182900012.70 ppb
2022-05-12357182900022.50 ppb
2022-05-12357182900032.80 ppb
2022-05-12357182900042.80 ppb
2022-05-12357182900053.00 ppb
2022-05-12357182900062.60 ppb
2022-05-12357182900073.00 ppb
2022-05-12357182900083.10 ppb
2022-08-04357374880013.20 ppb
2022-08-04357374880023.30 ppb
2022-08-04357374880034.40 ppb
2022-08-04357374880044.40 ppb
2022-08-04357374880054.90 ppb
2022-08-04357374880063.90 ppb
2022-08-04357374880075.00 ppb
2022-08-04357374880083.00 ppb
2022-08-30357440260013.60 ppb
2022-08-30357440260023.50 ppb
2022-08-30357440260033.80 ppb
2022-08-30357440260043.50 ppb
2022-08-30357440260053.50 ppb
2022-08-3035744026006ND
2022-11-03357580520011.90 ppb
2022-11-03357580520021.80 ppb
2022-11-03357580520032.00 ppb
2022-11-03357580520041.80 ppb
2022-11-03357580520051.70 ppb
2022-11-03357580520062.00 ppb
2022-11-03357580520071.80 ppb
2022-11-0335758052008ND
2023-02-03357769230012.00 ppb
2023-02-03357769230022.10 ppb
2023-02-03357769230031.90 ppb
2023-02-03357769230042.30 ppb
2023-02-03357769230052.00 ppb
2023-02-03357769230062.60 ppb
2023-02-03357769230072.00 ppb
2023-02-03357769230082.90 ppb
2023-05-0335797763001ND
2023-05-0335797763002ND
2023-05-0335797763003ND
2023-05-0335797763004ND
2023-05-0335797763005ND
2023-05-0335797763006ND
2023-05-0335797763007ND
2023-05-0335797763008ND
2023-08-02358183600013.20 ppb
2023-08-02358183600023.50 ppb
2023-08-02358183600033.90 ppb
2023-08-02358183600044.20 ppb
2023-08-02358183600053.70 ppb
2023-08-02358183600063.70 ppb
2023-08-02358183600073.90 ppb
2023-08-02358183600080.990 ppb
2023-11-0235839243001ND
2023-11-0235839243002ND
2023-11-0235839243003ND
2023-11-02358392430041.10 ppb
2023-11-0235839243005ND
2023-11-02358392430061.40 ppb
2023-11-02358392430071.40 ppb
2023-11-02358392430082.30 ppb