Know Your Environment. Protect Your Health.

Monochloroacetic acid

Hoke County Regional--rockfish

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND40ND
20200.333 ppb122ND - 2.00 ppb
2021ND80ND
20220.250 ppb81ND - 2.00 ppb
20231.25 ppb84ND - 3.00 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
2018-02-1237729_18-05858ND
2018-02-1237729_18-05857ND
2018-05-1537729_18-19622ND
2018-05-1537729_18-19621ND
2018-08-0637729_18-32766ND
2018-08-0637729_18-32767ND
2018-11-0737729_18-46694ND
2018-11-0737729_18-46695ND
2019-05-0637729_19-18356ND
2019-05-0637729_19-18357ND
2019-08-1337729_19-34683ND
2019-08-1337729_19-34685ND
2020-02-1337729_20-06335AND
2020-02-1337729_20-06337BND
2020-02-1337729_20-06337AND
2020-02-1337729_20-06337ND
2020-02-1337729_20-06335BND
2020-02-1337729_20-06335ND
2020-05-1337729_20-19842ND
2020-05-1337729_20-19843ND
2020-08-1037729_20-337682.00 ppb
2020-08-1037729_20-337702.00 ppb
2020-11-1637729_20-49940ND
2020-11-1637729_20-49941ND
2021-02-1737729_21-06976ND
2021-02-1737729_21-06978ND
2021-05-1937729_21-20275ND
2021-05-1937729_21-20276ND
2021-08-1137729_21-34518ND
2021-08-1137729_21-34525ND
2021-12-0837729_21-54731ND
2021-12-0837729_21-54732ND
2022-02-0937729_22-06116ND
2022-02-0937729_22-06117ND
2022-05-0937729_22-204322.00 ppb
2022-05-0937729_22-20433ND
2022-08-1037729_22-37896ND
2022-08-1037729_22-37899ND
2022-11-0937729_22-55207ND
2022-11-0937729_22-55208ND
2023-02-0837729_23-06888ND
2023-02-0837729_23-068892.00 ppb
2023-05-1037729_23-240373.00 ppb
2023-05-1037729_23-240403.00 ppb
2023-08-0937729_23-44119ND
2023-08-0937729_23-44121ND
2023-11-0837729_23-63633ND
2023-11-0837729_23-636342.00 ppb