Monochloroacetic acid
Avon Water Company
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 16 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 16 | 0 | ND |
2017 | 0.194 ppb | 16 | 3 | ND - 1.10 ppb |
2018 | 0.306 ppb | 16 | 6 | ND - 1.10 ppb |
2019 | ND | 16 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 53 ppb
The EWG Health Guideline of 53 ppb for monochloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against system toxicity.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-16 | E401A25-2CH | ND |
2014-01-16 | E401A25-3CH | ND |
2014-01-16 | E401A25-4CH | ND |
2014-01-16 | E401A25-1CH | ND |
2014-04-15 | E404E43-1CH | ND |
2014-04-15 | E404E43-2CH | ND |
2014-04-15 | E404E43-3CH | ND |
2014-04-15 | E404E43-4CH | ND |
2014-07-14 | E407C09-4GE | ND |
2014-07-14 | E407C09-3GE | ND |
2014-07-14 | E407C09-2GE | ND |
2014-07-14 | E407C09-1GE | ND |
2014-10-16 | E410F41-1GE | ND |
2014-10-16 | E410F41-2GE | ND |
2014-10-16 | E410F41-3GE | ND |
2014-10-16 | E410F41-4GE | ND |
2016-01-15 | E601D17-1GE | ND |
2016-01-15 | E601D17-2GE | ND |
2016-01-15 | E601D17-3GE | ND |
2016-01-15 | E601D17-4GE | ND |
2016-04-19 | E605079-2GE | ND |
2016-04-19 | E605079-4GE | ND |
2016-04-19 | E605079-3GE | ND |
2016-04-19 | E605079-1GE | ND |
2016-07-13 | E607C00-2GE | ND |
2016-07-13 | E607C00-3GE | ND |
2016-07-13 | E607C00-4GE | ND |
2016-07-13 | E607C00-1GE | ND |
2016-10-14 | E610G73-1GE | ND |
2016-10-14 | E610G73-2GE | ND |
2016-10-14 | E610G73-3GE | ND |
2016-10-14 | E610G73-4GE | ND |
2017-01-13 | E701C67-1GE | ND |
2017-01-13 | E701C67-4GE | ND |
2017-01-13 | E701C67-3GE | ND |
2017-01-13 | E701C67-2GE | ND |
2017-04-13 | D7D1107-01HA5 | ND |
2017-04-13 | D7D1107-02HA5 | ND |
2017-04-13 | D7D1107-03HA5 | ND |
2017-04-13 | D7D1107-04HA5 | 1.000 ppb |
2017-07-14 | D7G1331-04HA5 | ND |
2017-07-14 | D7G1331-01HA5 | ND |
2017-07-14 | D7G1331-02HA5 | 1.10 ppb |
2017-07-14 | D7G1331-03HA5 | ND |
2017-10-13 | D7J1362-02HA5 | 1.000 ppb |
2017-10-13 | D7J1362-03HA5 | ND |
2017-10-13 | D7J1362-04HA5 | ND |
2017-10-13 | D7J1362-01HA5 | ND |
2018-01-24 | D8A1669-01HA5 | 1.10 ppb |
2018-01-24 | D8A1669-02HA5 | 0.700 ppb |
2018-01-24 | D8A1669-03HA5 | 1.10 ppb |
2018-01-24 | D8A1669-04HA5 | 0.500 ppb |
2018-04-25 | D8D2151-09HA5 | 0.900 ppb |
2018-04-25 | D8D2151-11HA5 | ND |
2018-04-25 | D8D2151-10HA5 | 0.600 ppb |
2018-04-25 | D8D2151-08HA5 | ND |
2018-07-26 | CA98743 | ND |
2018-07-26 | CA98744 | ND |
2018-07-26 | CA98745 | ND |
2018-07-26 | CA98746 | ND |
2018-10-09 | DBP 200508678 | ND |
2018-10-09 | DBP 200508665 | ND |
2018-10-09 | DBP 200508664 | ND |
2018-10-09 | DBP 200508676 | ND |
2019-01-08 | DBP 200518131 | ND |
2019-01-08 | DBP 200518132 | ND |
2019-01-08 | DBP 200518133 | ND |
2019-01-08 | DBP 200518135 | ND |
2019-04-11 | DBP 200528270 | ND |
2019-04-11 | DBP 200528269 | ND |
2019-04-11 | DBP 200528268 | ND |
2019-04-11 | DBP 200528267 | ND |
2019-07-02 | DBP 200538992 | ND |
2019-07-02 | DBP 200538993 | ND |
2019-07-02 | DBP 200538995 | ND |
2019-07-02 | DBP 200538996 | ND |
2019-10-03 | DBP 200551429 | ND |
2019-10-03 | DBP 200551430 | ND |
2019-10-03 | DBP 200551431 | ND |
2019-10-03 | DBP 200551432 | ND |