Know Your Environment. Protect Your Health.

Methoxychlor

Fort Bend County Municipal Utility District 46

NOTE: Fort Bend County Municipal Utility District 46 purchases water from City of Missouri City Mustang Bayou Wate which is required to test for methoxychlor. Sample information shown below was taken by City of Missouri City Mustang Bayou Wate.

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
2021ND20ND
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: Fort Bend County Municipal Utility District 46 purchases water from City of Missouri City Mustang Bayou Wate which is required to test for methoxychlor. Sample information shown below was taken by City of Missouri City Mustang Bayou Wate.

Date Lab ID Result
2018-05-01AE24659ND
2018-05-01AE24662ND
2019-04-18AE63046ND
2019-04-18AE63047ND
2020-08-31AF25893ND
2021-02-26AF44746ND
2021-05-12AF53674ND
2022-05-17AF97323ND
2022-05-17AF97324ND