Know Your Environment. Protect Your Health.

Monochloroacetic acid

Little Potato Slough Mutual

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.

 

84

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.10 ppb106ND - 5.00 ppb
20190.476 ppb214ND - 3.00 ppb
20200.500 ppb141ND - 7.00 ppb
2021ND140ND
20220.917 ppb123ND - 5.00 ppb
20230.846 ppb133ND - 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
2018-01-02CA3910022_DST_900-201801020920ND
2018-04-02CA3910022_DST_900-201804020815ND
2018-07-02CA3910022_DST_900-201807020905ND
2018-08-27CA3910022_DST_900-201808270800ND
2018-09-17CA3910022_DST_900-2018091713002.00 ppb
2018-10-01CA3910022_DST_900-2018100109303.00 ppb
2018-10-31CA3910022_DST_900-2018103111104.00 ppb
2018-11-12CA3910022_DST_900-2018111214303.00 ppb
2018-12-10CA3910022_DST_900-2018121014405.00 ppb
2018-12-31CA3910022_DST_900-2018123111154.00 ppb
2019-01-07CA3910022_DST_900-2019010709202.00 ppb
2019-01-28CA3910022_DST_900-2019012808303.00 ppb
2019-02-04CA3910022_DST_900-2019020409453.00 ppb
2019-02-25CA3910022_DST_900-201902250805ND
2019-04-01CA3910022_DST_900-201904010915ND
2019-04-15CA3910022_DST_900-201904150900ND
2019-05-06CA3910022_DST_900-201905060940ND
2019-05-20CA3910022_DST_900-2019052008402.00 ppb
2019-06-03CA3910022_DST_900-201906030925ND
2019-06-17CA3910022_DST_900-201906170845ND
2019-07-01CA3910022_DST_900-201907010955ND
2019-07-15CA3910022_DST_900-201907150805ND
2019-08-05CA3910022_DST_900-201908050920ND
2019-08-19CA3910022_DST_900-201908190835ND
2019-08-26CA3910022_DST_900-201908261025ND
2019-09-03CA3910022_DST_900-201909031005ND
2019-09-16CA3910022_DST_900-201909160830ND
2019-10-07CA3910022_DST_900-201910071000ND
2019-11-04CA3910022_DST_900-201911040850ND
2019-11-18CA3910022_DST_900-201911180915ND
2019-12-02CA3910022_DST_900-201912021015ND
2020-01-06CA3910022_DST_900-202001060945ND
2020-01-27CA3910022_DST_900-202001270855ND
2020-02-03CA3910022_DST_900-202002031005ND
2020-02-17CA3910022_DST_900-202002170850ND
2020-03-02CA3910022_DST_900-2020030210007.00 ppb
2020-04-06CA3910022_DST_900-202004060950ND
2020-05-04CA3910022_DST_900-202005041000ND
2020-06-01CA3910022_DST_900-202006010900ND
2020-07-13CA3910022_DST_900-202007131245ND
2020-08-03CA3910022_DST_900-202008030925ND
2020-09-08CA3910022_DST_900-202009080955ND
2020-10-05CA3910022_DST_900-202010050945ND
2020-11-02CA3910022_DST_900-202011021025ND
2020-12-07CA3910022_DST_900-202012070905ND
2021-01-04CA3910022_DST_900-202101040940ND
2021-01-18CA3910022_DST_900-202101180945ND
2021-02-01CA3910022_DST_900-202102010950ND
2021-02-22CA3910022_DST_900-202102221010ND
2021-03-08CA3910022_DST_900-202103081324ND
2021-04-05CA3910022_DST_900-202104050935ND
2021-05-03CA3910022_DST_900-202105030920ND
2021-06-07CA3910022_DST_900-202106070920ND
2021-07-06CA3910022_DST_900-202107060955ND
2021-08-02CA3910022_DST_900-202108021000ND
2021-09-07CA3910022_DST_900-202109070945ND
2021-10-04CA3910022_DST_900-202110041000ND
2021-11-01CA3910022_DST_900-202111010940ND
2021-12-06CA3910022_DST_900-202112060945ND
2022-01-03CA3910022_DST_900-202201030850ND
2022-02-07CA3910022_DST_900-202202070912ND
2022-03-21CA3910022_DST_900-202203210930ND
2022-04-04CA3910022_DST_900-202204040930ND
2022-05-02CA3910022_DST_900-202205021105ND
2022-06-06CA3910022_DST_900-202206060915ND
2022-07-11CA3910022_DST_900-202207111450ND
2022-08-01CA3910022_DST_900-2022080110253.00 ppb
2022-09-12CA3910022_DST_900-2022091213403.00 ppb
2022-10-10CA3910022_DST_900-202210101320ND
2022-11-07CA3910022_DST_900-2022110710105.00 ppb
2022-12-05CA3910022_DST_900-202212051125ND
2023-01-03CA3910022_DST_900-2023010312004.00 ppb
2023-02-06CA3910022_DST_900-2023020610155.00 ppb
2023-03-06CA3910022_DST_900-202303060930ND
2023-04-03CA3910022_DST_900-202304030950ND
2023-05-01CA3910022_DST_900-202305010945ND
2023-05-15CA3910022_DST_900-2023051510352.00 ppb
2023-06-05CA3910022_DST_900-202306050925ND
2023-07-03CA3910022_DST_900-202307031300ND
2023-08-07CA3910022_DST_900-202308071010ND
2023-09-05CA3910022_DST_900-202309051145ND
2023-10-02CA3910022_DST_900-202310021045ND
2023-11-06CA3910022_DST_900-202311061115ND
2023-12-04CA3910022_DST_900-202312040945ND