Know Your Environment. Protect Your Health.

Monochloroacetic acid

Assumption Parish Waterworks District 1

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.

 

132

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.781 ppb3214ND - 2.90 ppb
20193.73 ppb3230ND - 11.2 ppb
20200.738 ppb169ND - 1.70 ppb
20211.08 ppb1612ND - 2.10 ppb
20222.48 ppb20201.000 ppb - 8.99 ppb
20231.89 ppb1612ND - 3.70 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
2018-03-02353777840011.60 ppb
2018-03-02353777840021.40 ppb
2018-03-02353777840031.70 ppb
2018-03-02353777840042.10 ppb
2018-03-02353777840011.60 ppb
2018-03-02353777840021.40 ppb
2018-03-02353777840031.70 ppb
2018-03-02353777840042.10 ppb
2018-06-0635396758001ND
2018-06-0635396758002ND
2018-06-0635396758003ND
2018-06-0635396758004ND
2018-06-0635396758001ND
2018-06-0635396758002ND
2018-06-0635396758003ND
2018-06-0635396758004ND
2018-09-0735416297001ND
2018-09-0735416297002ND
2018-09-0735416297003ND
2018-09-0735416297004ND
2018-09-0735416297001ND
2018-09-0735416297002ND
2018-09-0735416297003ND
2018-09-0735416297004ND
2018-12-05354354130011.30 ppb
2018-12-05354354130021.50 ppb
2018-12-0535435413004ND
2018-12-05354354130011.30 ppb
2018-12-05354354130021.50 ppb
2018-12-0535435413004ND
2018-12-11354366370012.90 ppb
2018-12-11354366370012.90 ppb
2019-03-07354529480011.10 ppb
2019-03-07354529480021.10 ppb
2019-03-07354529480031.10 ppb
2019-03-0735452948004ND
2019-03-07354529480011.10 ppb
2019-03-07354529480021.10 ppb
2019-03-07354529480031.10 ppb
2019-03-0735452948004ND
2019-06-07354738790017.80 ppb
2019-06-073547387900210.4 ppb
2019-06-073547387900311.2 ppb
2019-06-073547387900410.7 ppb
2019-06-07354738790017.80 ppb
2019-06-073547387900210.4 ppb
2019-06-073547387900311.2 ppb
2019-06-073547387900410.7 ppb
2019-09-06354958280012.60 ppb
2019-09-06354958280023.00 ppb
2019-09-06354958280033.10 ppb
2019-09-06354958280042.60 ppb
2019-09-06354958280012.60 ppb
2019-09-06354958280023.00 ppb
2019-09-06354958280033.10 ppb
2019-09-06354958280042.60 ppb
2019-12-06355171560011.40 ppb
2019-12-06355171560021.20 ppb
2019-12-06355171560031.20 ppb
2019-12-06355171560041.20 ppb
2019-12-06355171560011.40 ppb
2019-12-06355171560021.20 ppb
2019-12-06355171560031.20 ppb
2019-12-06355171560041.20 ppb
2020-03-1135537040001ND
2020-03-1135537040002ND
2020-03-1135537040003ND
2020-03-1135537040004ND
2020-06-05355548470011.50 ppb
2020-06-05355548470021.30 ppb
2020-06-05355548470031.30 ppb
2020-06-05355548470041.20 ppb
2020-09-04355758440011.70 ppb
2020-09-0435575844002ND
2020-09-0435575844003ND
2020-09-0435575844004ND
2020-12-04355966840011.20 ppb
2020-12-04355966840021.30 ppb
2020-12-04355966840031.10 ppb
2020-12-04355966840041.20 ppb
2021-03-12356189400011.60 ppb
2021-03-12356189400021.70 ppb
2021-03-12356189400030.920 ppb
2021-03-1235618940004ND
2021-06-04356386260011.70 ppb
2021-06-04356386260021.50 ppb
2021-06-04356386260031.70 ppb
2021-06-04356386260041.50 ppb
2021-09-16356641000011.10 ppb
2021-09-16356641000021.30 ppb
2021-09-16356641000031.20 ppb
2021-09-16356641000042.10 ppb
2021-12-17356853980010.900 ppb
2021-12-1735685398002ND
2021-12-1735685398003ND
2021-12-1735685398004ND
2022-03-04357014250011.40 ppb
2022-03-04357014250021.40 ppb
2022-03-04357014250031.10 ppb
2022-03-04357014250041.20 ppb
2022-06-02B2202626-0014.84 ppb
2022-06-02B2202626-0024.72 ppb
2022-06-02B2202626-0035.68 ppb
2022-06-02B2202626-0048.99 ppb
2022-06-15357252170012.00 ppb
2022-06-15357252170021.90 ppb
2022-06-15357252170032.50 ppb
2022-06-15357252170042.50 ppb
2022-09-01357441440011.50 ppb
2022-09-01357441440021.30 ppb
2022-09-01357441440032.00 ppb
2022-09-01357441440041.50 ppb
2022-12-02357638000011.60 ppb
2022-12-02357638000021.30 ppb
2022-12-02357638000031.000 ppb
2022-12-02357638000041.10 ppb
2023-03-0635783890001ND
2023-03-0635783890002ND
2023-03-0635783890003ND
2023-03-0635783890004ND
2023-06-06358045430012.20 ppb
2023-06-06358045430023.70 ppb
2023-06-06358045430033.40 ppb
2023-06-06358045430043.60 ppb
2023-09-19358287600012.50 ppb
2023-09-19358287600022.20 ppb
2023-09-19358287600032.00 ppb
2023-09-19358287600042.60 ppb
2023-12-20358501390012.00 ppb
2023-12-20358501390021.70 ppb
2023-12-20358501390032.10 ppb
2023-12-20358501390042.20 ppb