Know Your Environment. Protect Your Health.

Methoxychlor

Summit Township Water Authority

NOTE: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for methoxychlor. Sample information shown below was taken by Erie City Water Authority.

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND60ND
2021ND10ND
2022N/A00N/A
2023ND30ND

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: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for methoxychlor. Sample information shown below was taken by Erie City Water Authority.

Date Lab ID Result
2018-01-083849233ND
2018-05-213941492ND
2018-08-214030511ND
2019-05-214302818ND
2019-09-104415501ND
2019-11-184489098ND
2020-04-0122141718.00ND
2020-05-1822336494.00ND
2020-08-2622923662.00ND
2020-09-2323112733.00ND
2021-05-1924561634.00ND
2023-04-0428825995.00ND
2023-04-1828826397.00ND
2023-08-0929625432.00ND
2023-09-1429816649.00ND