Know Your Environment. Protect Your Health.

Methoxychlor

East Lyme Water & Sewer Commission

NOTE: East Lyme Water & Sewer Commission purchases water from New London Department of Public Utilities which is required to test for methoxychlor. Sample information shown below was taken by New London Department of Public Utilities.

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND100ND
2020ND40ND
2021ND40ND
2022ND30ND
2023ND20ND

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: East Lyme Water & Sewer Commission purchases water from New London Department of Public Utilities which is required to test for methoxychlor. Sample information shown below was taken by New London Department of Public Utilities.

Date Lab ID Result
2018-11-2030470SOCRND
2018-11-2928426SOCRND
2019-06-0629562SOC2ND
2019-09-2330083SOC2ND
2020-12-3032744SOCRND
2021-10-2734799SOCRND
2022-07-1336104SOC2ND
2022-09-1536580SOCRND
2022-10-0636622SOC2ND
2023-09-1438757SOCRND