Methoxychlor
New Britain Water Department
Methoxychlor is an endocrine-disrupting, neurotoxic insecticide similar to DDT. Banned in the U.S. in 2002, methoxychlor was historically used on farm animals and in animal feed, lumber, gardens and agricultural crops.
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.09 ppb
The EWG Health Guideline of 0.09 ppb for methoxychlor was defined 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 hormone disruption.
EPA Maximum Contaminant
Level (MCL): 40 ppb
The legal limit for methoxychlor, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-16 | SOCR 200492175 | ND |
| 2018-04-16 | SOCR 200492173 | ND |
| 2018-04-16 | SOCR 200492174 | ND |
| 2018-04-16 | SOCR 200492172 | ND |
| 2019-04-25 | SOCR 200529602 | ND |
| 2019-04-25 | SOCR 200529605 | ND |
| 2019-04-25 | SOCR 200529603 | ND |
| 2019-04-25 | SOCR 200529604 | ND |
| 2020-04-22 | SOCR 200573261 | ND |
| 2020-04-22 | SOCR 200573264 | ND |
| 2020-04-22 | SOCR 200573262 | ND |
| 2020-04-22 | SOCR 200573263 | ND |
| 2020-05-12 | SOC 200575348 | ND |
| 2020-09-16 | SOC 200590476 | ND |
| 2021-04-20 | SOCR 200613887 | ND |
| 2021-04-20 | SOCR 200613886 | ND |
| 2021-04-20 | SOCR 200613885 | ND |
| 2021-04-20 | SOCR 200613884 | ND |
| 2021-09-28 | 300069325 300069327 | ND |
| 2022-04-20 | H300172353 300172355 | ND |
| 2022-04-20 | H300172362 300172364 | ND |
| 2022-04-20 | H300172356 300172358 | ND |
| 2022-04-20 | H300172359 300172361 | ND |
| 2022-05-24 | S300188084 300188130 | ND |
| 2022-09-19 | S300245682 300245684 | ND |
| 2023-04-17 | H300334377 300334379 | ND |
| 2023-04-17 | H300334386 300334388 | ND |
| 2023-04-17 | H300334380 300334382 | ND |
| 2023-04-17 | H300334383 300334385 | ND |
| 2023-05-22 | S300354391 300354393 | ND |