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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 56 | 0 | ND |
| 2019 | ND | 56 | 0 | ND |
| 2020 | ND | 56 | 0 | ND |
| 2021 | ND | 56 | 0 | ND |
| 2022 | ND | 56 | 0 | ND |
| 2023 | ND | 56 | 0 | ND |
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 |
|---|---|---|
| 2018-01-11 | 3851729 | ND |
| 2018-01-11 | 3851737 | ND |
| 2018-01-11 | 3851726 | ND |
| 2018-01-11 | 3851734 | ND |
| 2018-01-11 | 3851739 | ND |
| 2018-01-11 | 3851727 | ND |
| 2018-01-11 | 3851733 | ND |
| 2018-01-11 | 3851728 | ND |
| 2018-01-11 | 3851736 | ND |
| 2018-01-11 | 3851731 | ND |
| 2018-01-11 | 3851730 | ND |
| 2018-01-11 | 3851738 | ND |
| 2018-01-11 | 3851732 | ND |
| 2018-01-11 | 3851735 | ND |
| 2018-04-02 | 3902193 | ND |
| 2018-04-02 | 3902195 | ND |
| 2018-04-02 | 3902194 | ND |
| 2018-04-02 | 3902201 | ND |
| 2018-04-02 | 3902189 | ND |
| 2018-04-02 | 3902196 | ND |
| 2018-04-02 | 3902199 | ND |
| 2018-04-02 | 3902197 | ND |
| 2018-04-02 | 3902198 | ND |
| 2018-04-02 | 3902202 | ND |
| 2018-04-02 | 3902190 | ND |
| 2018-04-02 | 3902191 | ND |
| 2018-04-02 | 3902192 | ND |
| 2018-04-02 | 3902200 | ND |
| 2018-07-09 | 3983288 | ND |
| 2018-07-09 | 3983291 | ND |
| 2018-07-09 | 3983290 | ND |
| 2018-07-09 | 3983299 | ND |
| 2018-07-09 | 3983293 | ND |
| 2018-07-09 | 3983294 | ND |
| 2018-07-09 | 3983300 | ND |
| 2018-07-09 | 3983296 | ND |
| 2018-07-09 | 3983298 | ND |
| 2018-07-09 | 3983297 | ND |
| 2018-07-09 | 3983287 | ND |
| 2018-07-09 | 3983289 | ND |
| 2018-07-09 | 3983295 | ND |
| 2018-07-09 | 3983292 | ND |
| 2018-10-04 | 4079577 | ND |
| 2018-10-04 | 4079591 | ND |
| 2018-10-04 | 4079589 | ND |
| 2018-10-04 | 4079599 | ND |
| 2018-10-04 | 4079593 | ND |
| 2018-10-04 | 4079595 | ND |
| 2018-10-04 | 4079597 | ND |
| 2018-10-04 | 4079585 | ND |
| 2018-10-04 | 4079575 | ND |
| 2018-10-04 | 4079573 | ND |
| 2018-10-04 | 4079587 | ND |
| 2018-10-04 | 4079583 | ND |
| 2018-10-04 | 4079579 | ND |
| 2018-10-04 | 4079581 | ND |
| 2019-01-15 | 4174457 | ND |
| 2019-01-15 | 4174462 | ND |
| 2019-01-15 | 4174461 | ND |
| 2019-01-15 | 4174456 | ND |
| 2019-01-15 | 4174459 | ND |
| 2019-01-15 | 4174455 | ND |
| 2019-01-15 | 4174451 | ND |
| 2019-01-15 | 4174458 | ND |
| 2019-01-15 | 4174460 | ND |
| 2019-01-15 | 4174453 | ND |
| 2019-01-15 | 4174450 | ND |
| 2019-01-15 | 4174449 | ND |
| 2019-01-15 | 4174454 | ND |
| 2019-01-15 | 4174452 | ND |
| 2019-04-10 | 4257145 | ND |
| 2019-04-10 | 4257156 | ND |
| 2019-04-10 | 4257150 | ND |
| 2019-04-10 | 4257148 | ND |
| 2019-04-10 | 4257149 | ND |
| 2019-04-10 | 4257147 | ND |
| 2019-04-10 | 4257144 | ND |
| 2019-04-10 | 4257143 | ND |
| 2019-04-10 | 4257151 | ND |
| 2019-04-10 | 4257154 | ND |
| 2019-04-10 | 4257155 | ND |
| 2019-04-10 | 4257152 | ND |
| 2019-04-17 | 4263992 | ND |
| 2019-04-17 | 4263991 | ND |
| 2019-07-16 | 1907-17208-013 | ND |
| 2019-07-16 | 1907-17208-007 | ND |
| 2019-07-16 | 1907-17208-017 | ND |
| 2019-07-16 | 1907-17208-027 | ND |
| 2019-07-16 | 1907-17208-005 | ND |
| 2019-07-16 | 1907-17208-009 | ND |
| 2019-07-16 | 1907-17208-015 | ND |
| 2019-07-16 | 1907-17208-011 | ND |
| 2019-07-16 | 1907-17208-019 | ND |
| 2019-07-16 | 1907-17208-003 | ND |
| 2019-07-16 | 1907-17208-001 | ND |
| 2019-07-16 | 1907-17208-021 | ND |
| 2019-07-16 | 1907-17208-025 | ND |
| 2019-07-16 | 1907-17208-023 | ND |
| 2019-10-02 | 1910-25764-007 | ND |
| 2019-10-02 | 1910-25764-001 | ND |
| 2019-10-02 | 1910-25764-021 | ND |
| 2019-10-02 | 1910-25764-015 | ND |
| 2019-10-02 | 1910-25764-017 | ND |
| 2019-10-02 | 1910-25764-023 | ND |
| 2019-10-02 | 1910-25764-011 | ND |
| 2019-10-02 | 1910-25764-005 | ND |
| 2019-10-02 | 1910-25764-013 | ND |
| 2019-10-02 | 1910-25764-025 | ND |
| 2019-10-02 | 1910-25764-003 | ND |
| 2019-10-02 | 1910-25764-019 | ND |
| 2019-10-02 | 1910-25764-009 | ND |
| 2019-10-02 | 1910-25764-027 | ND |
| 2020-01-08 | 2001-00752-017 | ND |
| 2020-01-08 | 2001-00752-021 | ND |
| 2020-01-08 | 2001-00752-011 | ND |
| 2020-01-08 | 2001-00752-003 | ND |
| 2020-01-08 | 2001-00752-005 | ND |
| 2020-01-08 | 2001-00752-013 | ND |
| 2020-01-08 | 2001-00752-009 | ND |
| 2020-01-08 | 2001-00752-015 | ND |
| 2020-01-08 | 2001-00752-007 | ND |
| 2020-01-08 | 2001-00752-025 | ND |
| 2020-01-08 | 2001-00752-019 | ND |
| 2020-01-08 | 2001-00752-001 | ND |
| 2020-01-08 | 2001-00752-027 | ND |
| 2020-01-08 | 2001-00752-023 | ND |
| 2020-04-13 | 2004-08242-007 | ND |
| 2020-04-13 | 2004-08242-001 | ND |
| 2020-04-13 | 2004-08242-005 | ND |
| 2020-04-13 | 2004-08242-009 | ND |
| 2020-04-13 | 2004-08242-003 | ND |
| 2020-04-14 | 2004-08354-009 | ND |
| 2020-04-14 | 2004-08354-007 | ND |
| 2020-04-14 | 2004-08354-001 | ND |
| 2020-04-14 | 2004-08354-005 | ND |
| 2020-04-14 | 2004-08354-003 | ND |
| 2020-04-15 | 2004-08537-005 | ND |
| 2020-04-15 | 2004-08537-007 | ND |
| 2020-04-15 | 2004-08537-001 | ND |
| 2020-04-15 | 2004-08537-003 | ND |
| 2020-07-13 | 2007-17536-001 | ND |
| 2020-07-13 | 2007-17536-003 | ND |
| 2020-07-14 | 2007-17677-001 | ND |
| 2020-07-14 | 2007-17677-007 | ND |
| 2020-07-14 | 2007-17677-005 | ND |
| 2020-07-14 | 2007-17677-009 | ND |
| 2020-07-14 | 2007-17677-003 | ND |
| 2020-07-15 | 2007-17944-003 | ND |
| 2020-07-15 | 2007-17944-001 | ND |
| 2020-07-15 | 2007-17944-005 | ND |
| 2020-07-17 | 2007-18242-007 | ND |
| 2020-07-17 | 2007-18242-027 | ND |
| 2020-07-17 | 2007-18242-003 | ND |
| 2020-07-17 | 2007-18242-001 | ND |
| 2020-10-01 | 2010-28195-013 | ND |
| 2020-10-01 | 2010-28195-029 | ND |
| 2020-10-01 | 2010-28195-007 | ND |
| 2020-10-01 | 2010-28195-019 | ND |
| 2020-10-01 | 2010-28195-003 | ND |
| 2020-10-01 | 2010-28195-031 | ND |
| 2020-10-01 | 2010-28195-017 | ND |
| 2020-10-01 | 2010-28195-033 | ND |
| 2020-10-01 | 2010-28195-021 | ND |
| 2020-10-01 | 2010-28195-027 | ND |
| 2020-10-01 | 2010-28195-035 | ND |
| 2020-10-01 | 2010-28195-015 | ND |
| 2020-10-01 | 2010-28195-001 | ND |
| 2020-10-01 | 2010-28195-009 | ND |
| 2021-01-13 | 2101-01247-003 | ND |
| 2021-01-13 | 2101-01247-027 | ND |
| 2021-01-13 | 2101-01247-021 | ND |
| 2021-01-13 | 2101-01247-023 | ND |
| 2021-01-13 | 2101-01247-011 | ND |
| 2021-01-13 | 2101-01247-007 | ND |
| 2021-01-13 | 2101-01247-009 | ND |
| 2021-01-13 | 2101-01247-013 | ND |
| 2021-01-13 | 2101-01247-025 | ND |
| 2021-01-13 | 2101-01247-001 | ND |
| 2021-01-13 | 2101-01247-019 | ND |
| 2021-01-13 | 2101-01247-015 | ND |
| 2021-01-13 | 2101-01247-005 | ND |
| 2021-01-13 | 2101-01247-017 | ND |
| 2021-04-01 | 2104-08316-027 | ND |
| 2021-04-07 | 2104-09027-013 | ND |
| 2021-04-07 | 2104-09027-009 | ND |
| 2021-04-07 | 2104-09027-007 | ND |
| 2021-04-07 | 2104-09027-005 | ND |
| 2021-04-07 | 2104-09027-003 | ND |
| 2021-04-07 | 2104-09027-017 | ND |
| 2021-04-07 | 2104-09027-025 | ND |
| 2021-04-07 | 2104-09027-011 | ND |
| 2021-04-07 | 2104-09027-001 | ND |
| 2021-04-07 | 2104-09027-019 | ND |
| 2021-04-07 | 2104-09027-015 | ND |
| 2021-04-07 | 2104-09027-021 | ND |
| 2021-04-07 | 2104-09027-023 | ND |
| 2021-07-08 | 2107-19438-007 | ND |
| 2021-07-08 | 2107-19438-023 | ND |
| 2021-07-08 | 2107-19438-025 | ND |
| 2021-07-08 | 2107-19438-011 | ND |
| 2021-07-08 | 2107-19438-017 | ND |
| 2021-07-08 | 2107-19438-009 | ND |
| 2021-07-08 | 2107-19438-015 | ND |
| 2021-07-08 | 2107-19438-013 | ND |
| 2021-07-08 | 2107-19438-001 | ND |
| 2021-07-08 | 2107-19452-001 | ND |
| 2021-07-08 | 2107-19438-003 | ND |
| 2021-07-08 | 2107-19438-005 | ND |
| 2021-07-08 | 2107-19438-019 | ND |
| 2021-07-08 | 2107-19438-021 | ND |
| 2021-10-07 | 2110-30334-001 | ND |
| 2021-10-07 | 2110-30334-019 | ND |
| 2021-10-07 | 2110-30334-023 | ND |
| 2021-10-07 | 2110-30334-025 | ND |
| 2021-10-07 | 2110-30334-027 | ND |
| 2021-10-07 | 2110-30334-021 | ND |
| 2021-10-07 | 2110-30334-007 | ND |
| 2021-10-07 | 2110-30334-009 | ND |
| 2021-10-07 | 2110-30334-017 | ND |
| 2021-10-07 | 2110-30334-013 | ND |
| 2021-10-07 | 2110-30334-005 | ND |
| 2021-10-07 | 2110-30334-015 | ND |
| 2021-10-07 | 2110-30334-003 | ND |
| 2021-10-07 | 2110-30334-011 | ND |
| 2022-01-06 | 2201-00694-019 | ND |
| 2022-01-06 | 2201-00694-015 | ND |
| 2022-01-06 | 2201-00694-021 | ND |
| 2022-01-06 | 2201-00694-025 | ND |
| 2022-01-06 | 2201-00694-003 | ND |
| 2022-01-06 | 2201-00694-017 | ND |
| 2022-01-06 | 2201-00694-011 | ND |
| 2022-01-06 | 2201-00694-009 | ND |
| 2022-01-06 | 2201-00694-001 | ND |
| 2022-01-06 | 2201-00694-007 | ND |
| 2022-01-06 | 2201-00694-027 | ND |
| 2022-01-06 | 2201-00694-013 | ND |
| 2022-01-06 | 2201-00694-023 | ND |
| 2022-01-06 | 2201-00694-005 | ND |
| 2022-04-01 | 2204-07903-001 | ND |
| 2022-04-07 | 2204-08727-017 | ND |
| 2022-04-07 | 2204-08727-011 | ND |
| 2022-04-07 | 2204-08727-001 | ND |
| 2022-04-07 | 2204-08727-019 | ND |
| 2022-04-07 | 2204-08727-003 | ND |
| 2022-04-07 | 2204-08727-013 | ND |
| 2022-04-07 | 2204-08727-023 | ND |
| 2022-04-07 | 2204-08727-025 | ND |
| 2022-04-07 | 2204-08727-009 | ND |
| 2022-04-07 | 2204-08727-007 | ND |
| 2022-04-07 | 2204-08727-005 | ND |
| 2022-04-07 | 2204-08727-021 | ND |
| 2022-04-07 | 2204-08727-015 | ND |
| 2022-07-06 | 2207-18102-009 | ND |
| 2022-07-06 | 2207-18102-025 | ND |
| 2022-07-06 | 2207-18102-001 | ND |
| 2022-07-06 | 2207-18102-027 | ND |
| 2022-07-06 | 2207-18102-003 | ND |
| 2022-07-06 | 2207-18102-013 | ND |
| 2022-07-06 | 2207-18102-015 | ND |
| 2022-07-06 | 2207-18102-023 | ND |
| 2022-07-06 | 2207-18102-005 | ND |
| 2022-07-06 | 2207-18102-007 | ND |
| 2022-07-06 | 2207-18102-021 | ND |
| 2022-07-06 | 2207-18102-011 | ND |
| 2022-07-06 | 2207-18102-019 | ND |
| 2022-07-06 | 2207-18102-017 | ND |
| 2022-10-11 | 2210-29573-005 | ND |
| 2022-10-11 | 2210-29573-027 | ND |
| 2022-10-11 | 2210-29573-001 | ND |
| 2022-10-11 | 2210-29573-015 | ND |
| 2022-10-11 | 2210-29573-007 | ND |
| 2022-10-11 | 2210-29573-009 | ND |
| 2022-10-11 | 2210-29573-003 | ND |
| 2022-10-11 | 2210-29573-021 | ND |
| 2022-10-11 | 2210-29573-025 | ND |
| 2022-10-11 | 2210-29573-019 | ND |
| 2022-10-11 | 2210-29573-023 | ND |
| 2022-10-11 | 2210-29573-017 | ND |
| 2022-10-11 | 2210-29573-013 | ND |
| 2022-10-11 | 2210-29573-011 | ND |
| 2023-01-12 | 2301-01333-027 | ND |
| 2023-01-12 | 2301-01333-021 | ND |
| 2023-01-12 | 2301-01333-017 | ND |
| 2023-01-12 | 2301-01333-013 | ND |
| 2023-01-12 | 2301-01333-007 | ND |
| 2023-01-12 | 2301-01333-025 | ND |
| 2023-01-12 | 2301-01333-003 | ND |
| 2023-01-12 | 2301-01333-009 | ND |
| 2023-01-12 | 2301-01333-023 | ND |
| 2023-01-12 | 2301-01333-005 | ND |
| 2023-01-12 | 2301-01333-001 | ND |
| 2023-01-12 | 2301-01333-015 | ND |
| 2023-01-12 | 2301-01333-011 | ND |
| 2023-01-12 | 2301-01333-019 | ND |
| 2023-04-06 | 2304-09025-005 | ND |
| 2023-04-06 | 2304-09025-015 | ND |
| 2023-04-06 | 2304-09025-001 | ND |
| 2023-04-06 | 2304-09025-009 | ND |
| 2023-04-06 | 2304-09025-013 | ND |
| 2023-04-06 | 2304-09025-023 | ND |
| 2023-04-06 | 2304-09025-019 | ND |
| 2023-04-06 | 2304-09025-021 | ND |
| 2023-04-06 | 2304-09025-007 | ND |
| 2023-04-06 | 2304-09025-003 | ND |
| 2023-04-06 | 2304-09025-011 | ND |
| 2023-04-06 | 2304-09025-027 | ND |
| 2023-04-06 | 2304-09025-025 | ND |
| 2023-04-06 | 2304-09025-017 | ND |
| 2023-07-06 | 2307-19186-001 | ND |
| 2023-07-06 | 2307-19186-003 | ND |
| 2023-07-06 | 2307-19186-013 | ND |
| 2023-07-06 | 2307-19186-007 | ND |
| 2023-07-06 | 2307-19186-021 | ND |
| 2023-07-06 | 2307-19186-019 | ND |
| 2023-07-06 | 2307-19186-027 | ND |
| 2023-07-06 | 2307-19186-015 | ND |
| 2023-07-06 | 2307-19186-011 | ND |
| 2023-07-06 | 2307-19186-009 | ND |
| 2023-07-06 | 2307-19186-017 | ND |
| 2023-07-06 | 2307-19186-023 | ND |
| 2023-07-06 | 2307-19186-025 | ND |
| 2023-07-06 | 2307-19186-005 | ND |
| 2023-10-05 | 2310-31826-013 | ND |
| 2023-10-05 | 2310-31826-023 | ND |
| 2023-10-05 | 2310-31826-003 | ND |
| 2023-10-05 | 2310-31826-007 | ND |
| 2023-10-05 | 2310-31826-021 | ND |
| 2023-10-05 | 2310-31826-009 | ND |
| 2023-10-05 | 2310-31826-025 | ND |
| 2023-10-05 | 2310-31826-015 | ND |
| 2023-10-05 | 2310-31826-011 | ND |
| 2023-10-05 | 2310-31826-019 | ND |
| 2023-10-05 | 2310-31826-027 | ND |
| 2023-10-05 | 2310-31826-017 | ND |
| 2023-10-05 | 2310-31826-001 | ND |
| 2023-10-05 | 2310-31826-005 | ND |