Know Your Environment. Protect Your Health.

Methoxychlor

Harleton Water Supply Corporation

NOTE: Harleton Water Supply Corporation purchases water from Northeast Texas Municipal Water District which is required to test for methoxychlor. Sample information shown below was taken by Northeast Texas Municipal Water District.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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

NOTE: Harleton Water Supply Corporation purchases water from Northeast Texas Municipal Water District which is required to test for methoxychlor. Sample information shown below was taken by Northeast Texas Municipal Water District.

Date Lab ID Result
2018-05-23Q1820769001ND
2019-02-25Q1907904006ND
2020-02-26Q2007390001ND
2021-02-09Q2103854001ND
2022-03-01Q2206887001ND
2023-01-18Q2302651004ND