Know Your Environment. Protect Your Health.

Monochloroacetic acid

New Orleans Carrollton 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.

 

386

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.28 ppb9648ND - 10.8 ppb
20193.32 ppb96961.000 ppb - 13.3 ppb
20200.283 ppb4811ND - 2.00 ppb
20211.57 ppb4944ND - 5.50 ppb
20221.59 ppb4936ND - 3.40 ppb
20231.03 ppb4819ND - 3.60 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
2018-01-2435370494001ND
2018-01-2435370494002ND
2018-01-2435370494003ND
2018-01-2435370494004ND
2018-01-2435370494005ND
2018-01-2435370494006ND
2018-01-2435370494001ND
2018-01-2435370494002ND
2018-01-2435370494003ND
2018-01-2435370494004ND
2018-01-2435370494005ND
2018-01-2435370494006ND
2018-01-2935371045001ND
2018-01-2935371045002ND
2018-01-2935371045003ND
2018-01-2935371045004ND
2018-01-2935371045005ND
2018-01-2935371045006ND
2018-01-2935371045001ND
2018-01-2935371045002ND
2018-01-2935371045003ND
2018-01-2935371045004ND
2018-01-2935371045005ND
2018-01-2935371045006ND
2018-04-1635387639001ND
2018-04-1635387639001ND
2018-04-1735387640001ND
2018-04-17353876400022.30 ppb
2018-04-1735387640005ND
2018-04-1735387640007ND
2018-04-1735387640001ND
2018-04-17353876400022.30 ppb
2018-04-1735387640005ND
2018-04-1735387640007ND
2018-04-1835387641001ND
2018-04-1835387641001ND
2018-04-1935387640003ND
2018-04-1935387640004ND
2018-04-1935387640006ND
2018-04-1935387640008ND
2018-04-1935387640009ND
2018-04-1935387641002ND
2018-04-1935387640003ND
2018-04-1935387640004ND
2018-04-1935387640006ND
2018-04-1935387640008ND
2018-04-1935387640009ND
2018-04-1935387641002ND
2018-07-25354071090012.10 ppb
2018-07-25354071090033.10 ppb
2018-07-25354071090042.80 ppb
2018-07-25354071090054.20 ppb
2018-07-25354071090075.50 ppb
2018-07-25354071090102.90 ppb
2018-07-25354071090113.90 ppb
2018-07-25354071090126.20 ppb
2018-07-25354071090012.10 ppb
2018-07-25354071090033.10 ppb
2018-07-25354071090042.80 ppb
2018-07-25354071090054.20 ppb
2018-07-25354071090075.50 ppb
2018-07-25354071090102.90 ppb
2018-07-25354071090113.90 ppb
2018-07-25354071090126.20 ppb
2018-07-26354071090023.00 ppb
2018-07-26354071090064.80 ppb
2018-07-263540710900810.7 ppb
2018-07-263540710900910.8 ppb
2018-07-26354071090023.00 ppb
2018-07-26354071090064.80 ppb
2018-07-263540710900810.7 ppb
2018-07-263540710900910.8 ppb
2018-10-16354250960013.80 ppb
2018-10-16354250960024.40 ppb
2018-10-16354250960034.10 ppb
2018-10-16354250960114.50 ppb
2018-10-16354250960123.20 ppb
2018-10-16354250960013.80 ppb
2018-10-16354250960024.40 ppb
2018-10-16354250960034.10 ppb
2018-10-16354250960114.50 ppb
2018-10-16354250960123.20 ppb
2018-10-17354250960044.50 ppb
2018-10-17354250960054.40 ppb
2018-10-17354250960064.90 ppb
2018-10-17354250960074.90 ppb
2018-10-17354250960083.70 ppb
2018-10-1735425096009ND
2018-10-17354250960104.60 ppb
2018-10-17354250960044.50 ppb
2018-10-17354250960054.40 ppb
2018-10-17354250960064.90 ppb
2018-10-17354250960074.90 ppb
2018-10-17354250960083.70 ppb
2018-10-1735425096009ND
2018-10-17354250960104.60 ppb
2019-01-16354428830011.30 ppb
2019-01-16354428830021.000 ppb
2019-01-16354428830031.90 ppb
2019-01-16354428830041.20 ppb
2019-01-16354428830053.30 ppb
2019-01-16354428910012.40 ppb
2019-01-16354428830011.30 ppb
2019-01-16354428830021.000 ppb
2019-01-16354428830031.90 ppb
2019-01-16354428830041.20 ppb
2019-01-16354428830053.30 ppb
2019-01-16354428910012.40 ppb
2019-01-17354431690011.40 ppb
2019-01-17354431690021.30 ppb
2019-01-17354431690031.20 ppb
2019-01-17354431690041.30 ppb
2019-01-17354431690051.10 ppb
2019-01-17354431690061.20 ppb
2019-01-17354431690011.40 ppb
2019-01-17354431690021.30 ppb
2019-01-17354431690031.20 ppb
2019-01-17354431690041.30 ppb
2019-01-17354431690051.10 ppb
2019-01-17354431690061.20 ppb
2019-04-24354643470012.30 ppb
2019-04-24354643470021.80 ppb
2019-04-24354643470031.60 ppb
2019-04-24354643470041.90 ppb
2019-04-24354643470051.50 ppb
2019-04-24354643470062.00 ppb
2019-04-24354643470071.60 ppb
2019-04-24354643470081.70 ppb
2019-04-24354643470091.30 ppb
2019-04-24354643470102.10 ppb
2019-04-24354643470112.00 ppb
2019-04-24354643470123.70 ppb
2019-04-24354643470012.30 ppb
2019-04-24354643470021.80 ppb
2019-04-24354643470031.60 ppb
2019-04-24354643470041.90 ppb
2019-04-24354643470051.50 ppb
2019-04-24354643470062.00 ppb
2019-04-24354643470071.60 ppb
2019-04-24354643470081.70 ppb
2019-04-24354643470091.30 ppb
2019-04-24354643470102.10 ppb
2019-04-24354643470112.00 ppb
2019-04-24354643470123.70 ppb
2019-07-18354837760015.10 ppb
2019-07-18354837760025.20 ppb
2019-07-18354837760039.60 ppb
2019-07-18354837760044.70 ppb
2019-07-183548377600513.3 ppb
2019-07-18354837760066.70 ppb
2019-07-18354837760078.80 ppb
2019-07-18354837760088.00 ppb
2019-07-183548377600911.8 ppb
2019-07-18354837760104.70 ppb
2019-07-18354837760115.40 ppb
2019-07-18354837760128.50 ppb
2019-07-18354837760015.10 ppb
2019-07-18354837760025.20 ppb
2019-07-18354837760039.60 ppb
2019-07-18354837760044.70 ppb
2019-07-183548377600513.3 ppb
2019-07-18354837760066.70 ppb
2019-07-18354837760078.80 ppb
2019-07-18354837760088.00 ppb
2019-07-183548377600911.8 ppb
2019-07-18354837760104.70 ppb
2019-07-18354837760115.40 ppb
2019-07-18354837760128.50 ppb
2019-10-16355057640016.40 ppb
2019-10-16355057640021.50 ppb
2019-10-16355057640031.50 ppb
2019-10-16355057640042.50 ppb
2019-10-16355057640051.70 ppb
2019-10-16355057640061.90 ppb
2019-10-16355057640071.60 ppb
2019-10-16355057640081.50 ppb
2019-10-16355057640091.50 ppb
2019-10-16355057640101.80 ppb
2019-10-16355057640111.80 ppb
2019-10-16355057640121.70 ppb
2019-10-16355057640016.40 ppb
2019-10-16355057640021.50 ppb
2019-10-16355057640031.50 ppb
2019-10-16355057640042.50 ppb
2019-10-16355057640051.70 ppb
2019-10-16355057640061.90 ppb
2019-10-16355057640071.60 ppb
2019-10-16355057640081.50 ppb
2019-10-16355057640091.50 ppb
2019-10-16355057640101.80 ppb
2019-10-16355057640111.80 ppb
2019-10-16355057640121.70 ppb
2020-01-2435526475001ND
2020-01-2435526475002ND
2020-01-2435526475003ND
2020-01-2435526475004ND
2020-01-2435526475005ND
2020-01-2435526475006ND
2020-01-2435526475007ND
2020-01-2435526475008ND
2020-01-2435526475009ND
2020-01-24355264750102.00 ppb
2020-01-2435526475011ND
2020-01-2435526475012ND
2020-04-1635544546001ND
2020-04-1635544546002ND
2020-04-1635544546003ND
2020-04-1635544546004ND
2020-04-1635544546005ND
2020-04-1635544546006ND
2020-04-1635544546007ND
2020-04-1635544546008ND
2020-04-1635544550001ND
2020-04-1635544550002ND
2020-04-1635544550003ND
2020-04-1635544550004ND
2020-07-2835566807001ND
2020-07-2835566807002ND
2020-07-2835566807003ND
2020-07-2835566807004ND
2020-07-2835566807005ND
2020-07-2835566807006ND
2020-07-2835566807007ND
2020-07-2835566807008ND
2020-07-2835566807009ND
2020-07-2835566807010ND
2020-07-2835566807011ND
2020-07-2835566807012ND
2020-10-3035589160001ND
2020-10-3035589160002ND
2020-10-30355891600031.10 ppb
2020-10-30355891600041.20 ppb
2020-10-30355891600051.20 ppb
2020-10-30355891600061.30 ppb
2020-10-30355891600071.000 ppb
2020-10-30355891600081.30 ppb
2020-10-30355891600090.990 ppb
2020-10-30355891600101.20 ppb
2020-10-30355891600111.30 ppb
2020-10-30355891600120.990 ppb
2021-01-27356080880011.60 ppb
2021-01-27356080880021.40 ppb
2021-01-27356080880031.30 ppb
2021-01-27356080880041.30 ppb
2021-01-27356080880051.20 ppb
2021-01-27356080880061.30 ppb
2021-01-27356080880071.20 ppb
2021-01-27356080880081.20 ppb
2021-01-27356080880091.20 ppb
2021-01-27356080880101.30 ppb
2021-01-27356080880111.30 ppb
2021-01-27356080880121.20 ppb
2021-04-29356299230012.40 ppb
2021-04-29356299230022.70 ppb
2021-04-29356299230032.10 ppb
2021-04-29356299230042.30 ppb
2021-04-29356299230051.90 ppb
2021-04-29356299230062.10 ppb
2021-04-29356299230071.60 ppb
2021-04-29356299230082.00 ppb
2021-04-29356299230092.00 ppb
2021-04-29356299230102.30 ppb
2021-04-29356299230112.20 ppb
2021-04-29356299230122.10 ppb
2021-07-2835651738001ND
2021-07-28356517380021.80 ppb
2021-07-28356517380032.50 ppb
2021-07-28356517380045.50 ppb
2021-07-28356517380052.50 ppb
2021-07-28356517380062.80 ppb
2021-07-28356517380072.60 ppb
2021-07-28356517380082.50 ppb
2021-07-28356517380091.80 ppb
2021-07-28356517380101.30 ppb
2021-07-28356517380112.10 ppb
2021-07-28356517380121.60 ppb
2021-09-1635664174001ND
2021-10-21356737140011.10 ppb
2021-10-2135673714002ND
2021-10-21356737140030.930 ppb
2021-10-21356737140041.000 ppb
2021-10-21356737140050.990 ppb
2021-10-21356737140061.000 ppb
2021-10-21356737140071.000 ppb
2021-10-21356737140080.910 ppb
2021-10-21356737140091.10 ppb
2021-10-21356737140100.910 ppb
2021-10-2135673714011ND
2021-10-2135673714012ND
2022-01-2835693774001ND
2022-01-28356937740021.30 ppb
2022-01-2835693774003ND
2022-01-2835693774004ND
2022-01-2835693774005ND
2022-01-28356937740061.10 ppb
2022-01-2835693774007ND
2022-01-2835693774008ND
2022-01-2835693774009ND
2022-01-2835693774010ND
2022-02-0435696567001ND
2022-02-0435696567002ND
2022-04-13357115120013.30 ppb
2022-04-13357115120023.40 ppb
2022-04-13357115120033.20 ppb
2022-04-13357115120043.20 ppb
2022-04-13357115120053.40 ppb
2022-04-13357115120063.30 ppb
2022-04-13357115120073.30 ppb
2022-04-13357115120081.50 ppb
2022-04-13357115120091.40 ppb
2022-04-13357115120101.60 ppb
2022-04-13357115140013.30 ppb
2022-04-13357115140021.40 ppb
2022-07-2635734960 0042.10 ppb
2022-07-2635734960001ND
2022-07-26357349600022.00 ppb
2022-07-26357349600031.80 ppb
2022-07-26357349600042.10 ppb
2022-07-26357349600051.70 ppb
2022-07-26357349600061.80 ppb
2022-07-26357349600071.90 ppb
2022-07-26357349600081.80 ppb
2022-07-26357349600102.20 ppb
2022-07-26357349600112.30 ppb
2022-07-26357349600121.90 ppb
2022-08-2335741997001ND
2022-10-2135755548001ND
2022-10-21357555480021.90 ppb
2022-10-21357555480031.50 ppb
2022-10-21357555480041.50 ppb
2022-10-21357555480051.90 ppb
2022-10-21357555480061.90 ppb
2022-10-21357555480072.20 ppb
2022-10-21357555480082.50 ppb
2022-10-21357555480092.50 ppb
2022-10-21357555480101.80 ppb
2022-10-21357555480111.80 ppb
2022-10-21357555480122.30 ppb
2023-01-12357725970012.90 ppb
2023-01-12357725970023.00 ppb
2023-01-12357725970032.90 ppb
2023-01-12357725970042.80 ppb
2023-01-12357725970053.00 ppb
2023-01-12357725970062.90 ppb
2023-01-12357725970073.00 ppb
2023-01-12357725970083.20 ppb
2023-01-12357725970093.30 ppb
2023-01-12357725970103.50 ppb
2023-01-12357725970122.70 ppb
2023-01-30357760320013.20 ppb
2023-04-1435793299001ND
2023-04-1435793299002ND
2023-04-1435793299003ND
2023-04-1435793299005ND
2023-04-1435793299006ND
2023-04-1435793299007ND
2023-04-1435793299008ND
2023-04-1435793299009ND
2023-04-1435793299010ND
2023-04-1435793303001ND
2023-04-1435793303002ND
2023-04-26357955780013.60 ppb
2023-07-20358148400010.960 ppb
2023-07-2035814840002ND
2023-07-20358148400030.990 ppb
2023-07-2035814840004ND
2023-07-20358148400051.70 ppb
2023-07-2035814840006ND
2023-07-2035814840007ND
2023-07-2035814840008ND
2023-07-2035814840009ND
2023-07-2035814840010ND
2023-07-20358148400113.50 ppb
2023-07-2035814840012ND
2023-10-1935836047001ND
2023-10-1935836047002ND
2023-10-1935836047003ND
2023-10-1935836047004ND
2023-10-1935836047005ND
2023-10-1935836047006ND
2023-10-1935836047007ND
2023-10-1935836047008ND
2023-10-1935836047009ND
2023-10-1935836047010ND
2023-10-19358360470111.40 ppb
2023-10-19358360470120.920 ppb