Know Your Environment. Protect Your Health.

Methoxychlor

Lone Grove

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.

 

79

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND110ND
2019ND180ND
2020ND140ND
2021ND120ND
2022ND120ND
2023ND120ND

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
2018-08-141808951ND
2018-08-2118081133ND
2018-08-2118081132ND
2018-08-2118081131ND
2018-08-2818081348ND
2018-12-161812434ND
2018-12-161812433ND
2018-12-161812437ND
2018-12-161812436ND
2018-12-161812435ND
2018-12-161812438ND
2019-03-191903510ND
2019-03-191903509ND
2019-03-201903508ND
2019-03-271903674ND
2019-03-271903673ND
2019-06-261906845ND
2019-06-261906848ND
2019-06-261906847ND
2019-06-261906846ND
2019-06-261906844ND
2019-09-241909828ND
2019-09-241909827ND
2019-09-241909826ND
2019-09-241909825ND
2019-09-241909824ND
2019-09-241909823ND
2019-11-031911037ND
2019-11-031911036ND
2020-01-062001082ND
2020-01-062001081ND
2020-02-022002013ND
2020-02-022002012ND
2020-03-01100009-01ND
2020-03-01100010-01ND
2020-04-05100477-01ND
2020-04-05100478-01ND
2020-07-05101705-01ND
2020-07-05101704-01ND
2020-07-12101838-01ND
2020-07-12101837-01ND
2020-07-14101902-01ND
2020-07-14101901-01ND
2021-04-06105646-01ND
2021-04-06105645-01ND
2021-05-04106063-01ND
2021-05-04106062-01ND
2021-06-06106611-01ND
2021-06-06106612-01ND
2021-08-22107816-01ND
2021-08-22107815-01ND
2021-08-29107892-01ND
2021-08-29107891-01ND
2021-09-06107988-01ND
2021-09-06107987-01ND
2022-03-06110590-01ND
2022-05-01111380-01ND
2022-05-01111379-01ND
2022-05-10111565-01ND
2022-05-10111566-01ND
2022-05-10111567-01ND
2022-07-05112278-01ND
2022-07-05112279-01ND
2022-09-11113346-01ND
2022-09-11113345-01ND
2022-10-02113678-01ND
2022-10-02113677-01ND
2023-02-12115486-01ND
2023-02-12115487-01ND
2023-04-30116721-01ND
2023-04-30116722-01ND
2023-06-04117247-01ND
2023-06-04117248-01ND
2023-07-04117723-01ND
2023-07-04117724-01ND
2023-09-26119149-01ND
2023-09-26119150-01ND
2023-10-22119564-01ND
2023-10-22119565-01ND