Monochloroacetic acid
Champlain Water District
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 |
---|---|---|---|---|
2014 | 0.909 ppb | 56 | 13 | ND - 6.30 ppb |
2015 | ND | 56 | 0 | ND |
2016 | 0.0679 ppb | 56 | 1 | ND - 3.80 ppb |
2017 | ND | 56 | 0 | ND |
2018 | ND | 56 | 0 | ND |
2019 | ND | 56 | 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 |
---|---|---|
2014-01-23 | 2962464 | ND |
2014-01-23 | 2962465 | ND |
2014-01-23 | 2962466 | ND |
2014-01-23 | 2962467 | 3.70 ppb |
2014-01-23 | 2962468 | ND |
2014-01-23 | 2962469 | ND |
2014-01-23 | 2962470 | ND |
2014-01-23 | 2962471 | 3.10 ppb |
2014-01-23 | 2962472 | ND |
2014-01-23 | 2962473 | ND |
2014-01-27 | 2964427 | ND |
2014-01-27 | 2964429 | ND |
2014-01-27 | 2964428 | ND |
2014-01-27 | 2964430 | ND |
2014-04-28 | 3015958 | 3.00 ppb |
2014-04-28 | 3015959 | ND |
2014-04-28 | 3015960 | 3.30 ppb |
2014-04-28 | 3015961 | 4.70 ppb |
2014-04-28 | 3015962 | 2.90 ppb |
2014-04-28 | 3015963 | ND |
2014-04-28 | 3015964 | ND |
2014-04-28 | 3015965 | ND |
2014-04-28 | 3015966 | 3.20 ppb |
2014-04-28 | 3015967 | 3.60 ppb |
2014-04-28 | 3015968 | 5.60 ppb |
2014-04-28 | 3015969 | 6.30 ppb |
2014-04-28 | 3015970 | 4.90 ppb |
2014-04-28 | 3015971 | 4.20 ppb |
2014-07-29 | 3071836 | ND |
2014-07-29 | 3071837 | ND |
2014-07-29 | 3071838 | 2.40 ppb |
2014-07-29 | 3071839 | ND |
2014-07-29 | 3071840 | ND |
2014-07-29 | 3071841 | ND |
2014-07-29 | 3071842 | ND |
2014-07-29 | 3071843 | ND |
2014-07-29 | 3071844 | ND |
2014-07-29 | 3071846 | ND |
2014-07-29 | 3071847 | ND |
2014-07-29 | 3071848 | ND |
2014-07-29 | 3071849 | ND |
2014-07-29 | 3071845 | ND |
2014-10-28 | 3129923 | ND |
2014-10-28 | 3129924 | ND |
2014-10-28 | 3129925 | ND |
2014-10-28 | 3129926 | ND |
2014-10-28 | 3129927 | ND |
2014-10-28 | 3129928 | ND |
2014-10-28 | 3129929 | ND |
2014-10-28 | 3129930 | ND |
2014-10-28 | 3129931 | ND |
2014-10-28 | 3129932 | ND |
2014-10-28 | 3129933 | ND |
2014-10-28 | 3129934 | ND |
2014-10-28 | 3129935 | ND |
2014-10-28 | 3129936 | ND |
2015-01-22 | 3175239 | ND |
2015-01-22 | 3175240 | ND |
2015-01-22 | 3175241 | ND |
2015-01-22 | 3175242 | ND |
2015-01-22 | 3175243 | ND |
2015-01-22 | 3175244 | ND |
2015-01-22 | 3175245 | ND |
2015-01-22 | 3175246 | ND |
2015-01-22 | 3175247 | ND |
2015-01-22 | 3175248 | ND |
2015-01-22 | 3175249 | ND |
2015-01-22 | 3175250 | ND |
2015-01-22 | 3175251 | ND |
2015-01-22 | 3175252 | ND |
2015-04-23 | 3230483 | ND |
2015-04-23 | 3230484 | ND |
2015-04-23 | 3230485 | ND |
2015-04-23 | 3230486 | ND |
2015-04-23 | 3230487 | ND |
2015-04-23 | 3230488 | ND |
2015-04-23 | 3230489 | ND |
2015-04-23 | 3230490 | ND |
2015-04-23 | 3230491 | ND |
2015-04-23 | 3230492 | ND |
2015-04-23 | 3230493 | ND |
2015-04-23 | 3230495 | ND |
2015-04-23 | 3230496 | ND |
2015-04-23 | 3230494 | ND |
2015-07-08 | 3275921 | ND |
2015-07-08 | 3275922 | ND |
2015-07-08 | 3275923 | ND |
2015-07-08 | 3275924 | ND |
2015-07-08 | 3275925 | ND |
2015-07-08 | 3275927 | ND |
2015-07-08 | 3275928 | ND |
2015-07-08 | 3275929 | ND |
2015-07-08 | 3275930 | ND |
2015-07-08 | 3275931 | ND |
2015-07-08 | 3275932 | ND |
2015-07-08 | 3275933 | ND |
2015-07-08 | 3275934 | ND |
2015-07-08 | 3275926 | ND |
2015-10-08 | 3337457 | ND |
2015-10-08 | 3337458 | ND |
2015-10-08 | 3337459 | ND |
2015-10-08 | 3337460 | ND |
2015-10-08 | 3337461 | ND |
2015-10-08 | 3337462 | ND |
2015-10-08 | 3337463 | ND |
2015-10-08 | 3337464 | ND |
2015-10-08 | 3337465 | ND |
2015-10-08 | 3337466 | ND |
2015-10-08 | 3337467 | ND |
2015-10-08 | 3337468 | ND |
2015-10-08 | 3337469 | ND |
2015-10-08 | 3337470 | ND |
2016-01-28 | 3392411 | ND |
2016-01-28 | 3392412 | ND |
2016-01-28 | 3392413 | ND |
2016-01-28 | 3392414 | ND |
2016-01-28 | 3392415 | ND |
2016-01-28 | 3392416 | ND |
2016-01-28 | 3392417 | ND |
2016-01-28 | 3392418 | ND |
2016-01-28 | 3392419 | ND |
2016-01-28 | 3392420 | ND |
2016-01-28 | 3392421 | ND |
2016-01-28 | 3392422 | ND |
2016-01-28 | 3392423 | ND |
2016-01-28 | 3392424 | 3.80 ppb |
2016-04-14 | 3431447 | ND |
2016-04-14 | 3431449 | ND |
2016-04-14 | 3431450 | ND |
2016-04-14 | 3431451 | ND |
2016-04-14 | 3431452 | ND |
2016-04-14 | 3431453 | ND |
2016-04-14 | 3431454 | ND |
2016-04-14 | 3431455 | ND |
2016-04-14 | 3431456 | ND |
2016-04-14 | 3431457 | ND |
2016-04-14 | 3431458 | ND |
2016-04-14 | 3431459 | ND |
2016-04-14 | 3431460 | ND |
2016-04-14 | 3431448 | ND |
2016-07-28 | 3506820 | ND |
2016-07-28 | 3506821 | ND |
2016-07-28 | 3506822 | ND |
2016-07-28 | 3506823 | ND |
2016-07-28 | 3506824 | ND |
2016-07-28 | 3506825 | ND |
2016-07-28 | 3506826 | ND |
2016-07-28 | 3506827 | ND |
2016-07-28 | 3506828 | ND |
2016-07-28 | 3506829 | ND |
2016-07-28 | 3506830 | ND |
2016-07-28 | 3506831 | ND |
2016-07-28 | 3506832 | ND |
2016-07-28 | 3506833 | ND |
2016-10-18 | 3568466 | ND |
2016-10-18 | 3568467 | ND |
2016-10-18 | 3568468 | ND |
2016-10-18 | 3568469 | ND |
2016-10-18 | 3568470 | ND |
2016-10-18 | 3568471 | ND |
2016-10-18 | 3568472 | ND |
2016-10-18 | 3568473 | ND |
2016-10-18 | 3568474 | ND |
2016-10-18 | 3568475 | ND |
2016-10-18 | 3568476 | ND |
2016-10-18 | 3568477 | ND |
2016-10-18 | 3568478 | ND |
2016-10-18 | 3568479 | ND |
2017-02-01 | 3631233 | ND |
2017-02-01 | 3631234 | ND |
2017-02-01 | 3631235 | ND |
2017-02-01 | 3631236 | ND |
2017-02-01 | 3231237 | ND |
2017-02-01 | 3631238 | ND |
2017-02-01 | 3631239 | ND |
2017-02-01 | 3631240 | ND |
2017-02-01 | 3631241 | ND |
2017-02-01 | 3631242 | ND |
2017-02-01 | 3631243 | ND |
2017-02-01 | 3631244 | ND |
2017-02-01 | 3631245 | ND |
2017-02-01 | 3631246 | ND |
2017-04-12 | 3673466 | ND |
2017-04-12 | 3673467 | ND |
2017-04-12 | 3673468 | ND |
2017-04-12 | 3673469 | ND |
2017-04-12 | 3673470 | ND |
2017-04-12 | 3673471 | ND |
2017-04-12 | 3673472 | ND |
2017-04-12 | 3673473 | ND |
2017-04-12 | 3673474 | ND |
2017-04-12 | 3673475 | ND |
2017-04-12 | 3673476 | ND |
2017-04-12 | 3673477 | ND |
2017-04-12 | 3673478 | ND |
2017-04-12 | 3673479 | ND |
2017-07-13 | 3732798 | ND |
2017-07-13 | 3732799 | ND |
2017-07-13 | 3732800 | ND |
2017-07-13 | 3732801 | ND |
2017-07-13 | 3732802 | ND |
2017-07-13 | 3732803 | ND |
2017-07-13 | 3732804 | ND |
2017-07-13 | 3732805 | ND |
2017-07-13 | 3732806 | ND |
2017-07-13 | 3732807 | ND |
2017-07-13 | 3732808 | ND |
2017-07-13 | 3732809 | ND |
2017-07-13 | 3732810 | ND |
2017-07-13 | 3732811 | ND |
2017-10-05 | 3794590 | ND |
2017-10-05 | 3794591 | ND |
2017-10-05 | 3794592 | ND |
2017-10-05 | 3794593 | ND |
2017-10-05 | 3794594 | ND |
2017-10-05 | 3794595 | ND |
2017-10-05 | 3794596 | ND |
2017-10-05 | 3794597 | ND |
2017-10-05 | 3794598 | ND |
2017-10-05 | 3794599 | ND |
2017-10-05 | 3794600 | ND |
2017-10-05 | 3794601 | ND |
2017-10-05 | 3794602 | ND |
2017-10-05 | 3794603 | ND |
2018-01-11 | 3851726 | ND |
2018-01-11 | 3851727 | ND |
2018-01-11 | 3851728 | ND |
2018-01-11 | 3851729 | ND |
2018-01-11 | 3851730 | ND |
2018-01-11 | 3851731 | ND |
2018-01-11 | 3851732 | ND |
2018-01-11 | 3851733 | ND |
2018-01-11 | 3851734 | ND |
2018-01-11 | 3851735 | ND |
2018-01-11 | 3851736 | ND |
2018-01-11 | 3851737 | ND |
2018-01-11 | 3851738 | ND |
2018-01-11 | 3851739 | ND |
2018-04-02 | 3902189 | ND |
2018-04-02 | 3902190 | ND |
2018-04-02 | 3902191 | ND |
2018-04-02 | 3902192 | ND |
2018-04-02 | 3902193 | ND |
2018-04-02 | 3902194 | ND |
2018-04-02 | 3902195 | ND |
2018-04-02 | 3902196 | ND |
2018-04-02 | 3902197 | ND |
2018-04-02 | 3902198 | ND |
2018-04-02 | 3902199 | ND |
2018-04-02 | 3902200 | ND |
2018-04-02 | 3902201 | ND |
2018-04-02 | 3902202 | ND |
2018-07-09 | 3983287 | ND |
2018-07-09 | 3983288 | ND |
2018-07-09 | 3983289 | ND |
2018-07-09 | 3983290 | ND |
2018-07-09 | 3983291 | ND |
2018-07-09 | 3983292 | ND |
2018-07-09 | 3983293 | ND |
2018-07-09 | 3983294 | ND |
2018-07-09 | 3983295 | ND |
2018-07-09 | 3983296 | ND |
2018-07-09 | 3983297 | ND |
2018-07-09 | 3983298 | ND |
2018-07-09 | 3983299 | ND |
2018-07-09 | 3983300 | ND |
2018-10-04 | 4079573 | ND |
2018-10-04 | 4079575 | ND |
2018-10-04 | 4079577 | ND |
2018-10-04 | 4079579 | ND |
2018-10-04 | 4079581 | ND |
2018-10-04 | 4079583 | ND |
2018-10-04 | 4079585 | ND |
2018-10-04 | 4079587 | ND |
2018-10-04 | 4079589 | ND |
2018-10-04 | 4079591 | ND |
2018-10-04 | 4079593 | ND |
2018-10-04 | 4079595 | ND |
2018-10-04 | 4079597 | ND |
2018-10-04 | 4079599 | ND |
2019-01-15 | 4174449 | ND |
2019-01-15 | 4174450 | ND |
2019-01-15 | 4174451 | ND |
2019-01-15 | 4174452 | ND |
2019-01-15 | 4174453 | ND |
2019-01-15 | 4174454 | ND |
2019-01-15 | 4174455 | ND |
2019-01-15 | 4174456 | ND |
2019-01-15 | 4174457 | ND |
2019-01-15 | 4174458 | ND |
2019-01-15 | 4174459 | ND |
2019-01-15 | 4174460 | ND |
2019-01-15 | 4174461 | ND |
2019-01-15 | 4174462 | ND |
2019-04-10 | 4257143 | ND |
2019-04-10 | 4257144 | ND |
2019-04-10 | 4257145 | ND |
2019-04-10 | 4257147 | ND |
2019-04-10 | 4257148 | ND |
2019-04-10 | 4257149 | ND |
2019-04-10 | 4257150 | ND |
2019-04-10 | 4257151 | ND |
2019-04-10 | 4257152 | ND |
2019-04-10 | 4257154 | ND |
2019-04-10 | 4257155 | ND |
2019-04-10 | 4257156 | ND |
2019-04-17 | 4263991 | ND |
2019-04-17 | 4263992 | ND |
2019-07-16 | 1907-17208-001 | ND |
2019-07-16 | 1907-17208-003 | ND |
2019-07-16 | 1907-17208-005 | ND |
2019-07-16 | 1907-17208-007 | ND |
2019-07-16 | 1907-17208-009 | ND |
2019-07-16 | 1907-17208-011 | ND |
2019-07-16 | 1907-17208-013 | ND |
2019-07-16 | 1907-17208-015 | ND |
2019-07-16 | 1907-17208-017 | ND |
2019-07-16 | 1907-17208-019 | ND |
2019-07-16 | 1907-17208-021 | ND |
2019-07-16 | 1907-17208-023 | ND |
2019-07-16 | 1907-17208-025 | ND |
2019-07-16 | 1907-17208-027 | ND |
2019-10-02 | 1910-25764-001 | ND |
2019-10-02 | 1910-25764-003 | ND |
2019-10-02 | 1910-25764-005 | ND |
2019-10-02 | 1910-25764-007 | ND |
2019-10-02 | 1910-25764-009 | ND |
2019-10-02 | 1910-25764-011 | ND |
2019-10-02 | 1910-25764-013 | ND |
2019-10-02 | 1910-25764-015 | ND |
2019-10-02 | 1910-25764-017 | ND |
2019-10-02 | 1910-25764-019 | ND |
2019-10-02 | 1910-25764-021 | ND |
2019-10-02 | 1910-25764-023 | ND |
2019-10-02 | 1910-25764-025 | ND |
2019-10-02 | 1910-25764-027 | ND |