Know Your Environment. Protect Your Health.

Dichloroacetic acid

City of Yakima Water Division

Dichloroacetic 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.

 

168

Samples

0

Samples exceeding legal limit (MCL)

134

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20187.03 ppb3228ND - 17.4 ppb
20196.43 ppb3329ND - 15.8 ppb
2020N/A00N/A
20215.62 ppb3325ND - 16.0 ppb
20227.33 ppb3726ND - 24.0 ppb
202310.2 ppb3326ND - 23.9 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic 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. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-062.00 ppb
2018-03-0617.4 ppb
2018-03-0614.4 ppb
2018-03-0613.6 ppb
2018-03-0615.0 ppb
2018-03-062.20 ppb
2018-03-0616.0 ppb
2018-03-062.00 ppb
2018-05-151.10 ppb
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-153.20 ppb
2018-05-151.10 ppb
2018-05-15ND
2018-05-151.20 ppb
2018-08-214.10 ppb
2018-08-218.50 ppb
2018-08-213.60 ppb
2018-08-2113.1 ppb
2018-08-2114.2 ppb
2018-08-215.20 ppb
2018-08-2116.0 ppb
2018-08-2113.3 ppb
2018-11-272.90 ppb
2018-11-279.60 ppb
2018-11-273.30 ppb
2018-11-273.50 ppb
2018-11-279.40 ppb
2018-11-273.50 ppb
2018-11-2711.5 ppb
2018-11-2714.0 ppb
2019-03-1912.1 ppb
2019-03-1910.8 ppb
2019-03-198.90 ppb
2019-03-1912.5 ppb
2019-03-1912.9 ppb
2019-03-1910.3 ppb
2019-03-197.40 ppb
2019-03-199.10 ppb
2019-06-244.20 ppb
2019-06-244.90 ppb
2019-06-244.20 ppb
2019-06-248.30 ppb
2019-06-244.00 ppb
2019-06-246.50 ppb
2019-06-244.70 ppb
2019-06-246.00 ppb
2019-08-13ND
2019-08-13ND
2019-08-1315.8 ppb
2019-08-13ND
2019-08-133.60 ppb
2019-08-139.60 ppb
2019-08-131.40 ppb
2019-08-1310.8 ppb
2019-11-06ND
2019-12-105.20 ppb
2019-12-101.70 ppb
2019-12-108.10 ppb
2019-12-109.00 ppb
2019-12-108.30 ppb
2019-12-102.20 ppb
2019-12-107.60 ppb
2019-12-102.20 ppb
2021-02-02407372414.4 ppb
2021-02-234081098ND
2021-02-234081102ND
2021-02-234081100ND
2021-02-2340810972.00 ppb
2021-02-2340811041.50 ppb
2021-02-2340810942.00 ppb
2021-02-234081106ND
2021-02-2340811262.00 ppb
2021-05-11411904114.2 ppb
2021-05-1141200251.40 ppb
2021-05-11412002712.1 ppb
2021-05-11412002914.1 ppb
2021-05-1141200355.40 ppb
2021-05-1141200335.40 ppb
2021-05-11412003112.3 ppb
2021-05-11412003716.0 ppb
2021-09-2141861347.30 ppb
2021-09-21418437510.5 ppb
2021-09-2141861324.20 ppb
2021-09-2141861369.30 ppb
2021-09-2141861386.40 ppb
2021-09-2141861428.70 ppb
2021-09-21418614010.8 ppb
2021-10-1241977553.50 ppb
2021-12-14422435415.4 ppb
2021-12-144224352ND
2021-12-144224366ND
2021-12-144224356ND
2021-12-1442243602.70 ppb
2021-12-1442243622.00 ppb
2021-12-1442243642.00 ppb
2021-12-144224358ND
2022-01-194234060ND
2022-01-19423409012.4 ppb
2022-03-22427292817.0 ppb
2022-03-2242729305.70 ppb
2022-03-2242729324.90 ppb
2022-03-22426755421.7 ppb
2022-03-22427288820.9 ppb
2022-03-2242729369.60 ppb
2022-03-22427289024.0 ppb
2022-03-2242728922.60 ppb
2022-05-24434411914.8 ppb
2022-05-24434410021.1 ppb
2022-05-2443591116.80 ppb
2022-05-2443591057.40 ppb
2022-05-24435911818.4 ppb
2022-05-24435912720.5 ppb
2022-06-0743000763.60 ppb
2022-07-314333146ND
2022-08-214335149ND
2022-09-134365801ND
2022-09-2043560939.00 ppb
2022-09-2043560917.60 ppb
2022-09-2043560965.80 ppb
2022-09-2043550885.20 ppb
2022-09-2043560999.80 ppb
2022-09-2043561035.70 ppb
2022-09-2043561015.90 ppb
2022-09-2043560977.80 ppb
2022-11-284389336ND
2022-12-284399197ND
2022-12-284399195ND
2022-12-2843991771.70 ppb
2022-12-284399189ND
2022-12-284399187ND
2022-12-2843991911.20 ppb
2022-12-284399193ND
2022-12-284399185ND
2023-03-2844345339.50 ppb
2023-03-2844345259.40 ppb
2023-03-28443452315.9 ppb
2023-03-28443452717.2 ppb
2023-03-28443451916.6 ppb
2023-03-28443452110.1 ppb
2023-03-28443452915.3 ppb
2023-03-28443453115.5 ppb
2023-06-29448542018.4 ppb
2023-06-2944854189.20 ppb
2023-06-294485411ND
2023-06-2944854154.20 ppb
2023-06-294485397ND
2023-06-294485407ND
2023-06-294485402ND
2023-06-294485395ND
2023-09-19452475822.6 ppb
2023-09-194524762ND
2023-09-19452476020.5 ppb
2023-09-194524764ND
2023-09-19452475923.1 ppb
2023-09-19452476523.9 ppb
2023-09-1945247635.80 ppb
2023-09-19452476118.9 ppb
2023-12-19456781114.3 ppb
2023-12-27456781913.4 ppb
2023-12-27456781814.4 ppb
2023-12-2745678162.42 ppb
2023-12-2745678143.28 ppb
2023-12-27456782114.4 ppb
2023-12-2745678172.85 ppb
2023-12-2745678151.57 ppb
2023-12-27456782012.6 ppb