Know Your Environment. Protect Your Health.

Endrin

City of Post Falls

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.

 

33

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
2019ND70ND
2020ND80ND
2021ND10ND
2022ND100ND
2023ND70ND

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
2019-11-13S210893ND
2019-11-13S210943ND
2019-11-18S211061ND
2019-12-09S211718ND
2019-12-16S211919ND
2019-12-18S211064ND
2019-12-19S211105ND
2020-01-08S212482ND
2020-01-08S202001013101ND
2020-01-08S212481ND
2020-01-08S212480ND
2020-01-08S212479ND
2020-01-08S212478ND
2020-01-08S212477ND
2020-01-08S212476ND
2021-11-30S202111052501ND
2022-02-09S202202020201ND
2022-03-09S202203020102ND
2022-03-09S202203020202ND
2022-03-14S202203025301ND
2022-03-14S202203025401ND
2022-04-27S202204053601ND
2022-06-06S202206008601ND
2022-06-07S202206010001ND
2022-07-13S202207033801ND
2022-11-01S2022110039ND
2023-01-25S202301040801ND
2023-05-15S202305028801ND
2023-07-25SMDG08170101ND
2023-07-25SMDG08170301ND
2023-07-25SMDG08170501ND
2023-07-25SMDG08170701ND
2023-12-13S202312023501ND