Know Your Environment. Protect Your Health.

Endrin

Natchitoches Water System

Endrin is a banned organochlorine insecticide that is persistent and bioaccumulative. Endrin damages the nervous, immune and reproductive systems in people. It also harms fish, birds and other wildlife.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppb

The EWG Health Guideline of 0.3 ppb for endrin 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 change to the heart and blood vessels.

EPA Maximum Contaminant
Level (MCL): 2 ppb

The legal limit for endrin, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-2235370029001ND
2018-01-2235370029001ND
2018-07-3135408508001ND
2018-07-3135408508001ND
2019-02-2535450970001ND
2019-02-2535450970001ND
2019-08-0735490086001ND
2019-08-0735490086001ND
2020-02-1735531798001ND
2020-09-1735578824001ND
2021-01-2035606276001ND
2021-08-1835657244006ND
2022-01-2635693462007ND
2022-08-0835738986005ND
2023-03-0635784946004ND
2023-08-2235823297001ND