Know Your Environment. Protect Your Health.

Methoxychlor

Horsham Water&sewer 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND240ND

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
2023-02-0828520591.00ND
2023-02-0828520522.00ND
2023-02-1528520568.00ND
2023-02-1528520545.00ND
2023-03-0128520617.00ND
2023-03-0128520645.00ND
2023-04-1828899781.00ND
2023-04-1828899652.00ND
2023-04-1828900354.00ND
2023-04-1829107860.00ND
2023-04-1828899725.00ND
2023-04-1828899753.00ND
2023-07-2029496856.00ND
2023-07-2029496829.00ND
2023-07-2729496887.00ND
2023-07-2729496915.00ND
2023-08-1029699515.00ND
2023-08-1029699487.00ND
2023-10-2630071299.00ND
2023-10-2630071327.00ND
2023-10-2630070792.00ND
2023-10-2630071383.00ND
2023-10-2630070820.00ND
2023-10-2630071355.00ND