Know Your Environment. Protect Your Health.

Endrin

Walnut Grove Utilities

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.

 

81

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND130ND
2020ND70ND
2021ND130ND
20220.000708 ppb241ND - 0.0170 ppb
2023ND190ND

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
2018-06-12680-153971-1ND
2018-06-13680-154051-1ND
2018-07-03680-154927-1ND
2018-07-10680-155198-1ND
2018-10-16680-159419-1ND
2019-02-26680-165155-1ND
2019-02-26680-165150-1ND
2019-03-05680-165488-1ND
2019-03-05680-165490-1ND
2019-03-12680-165969-1ND
2019-04-02680-167063-1ND
2019-04-02680-167058-1ND
2019-04-09680-167502-1ND
2019-04-09680-167500-1ND
2019-07-16680-171850-1ND
2019-07-16680-171849-1ND
2019-08-07680-172772-1ND
2019-08-07680-172766-1ND
2020-03-11481035ND
2020-03-12481037ND
2020-06-11488369ND
2020-09-02497133ND
2020-09-02497129ND
2020-11-17504183ND
2020-11-17504181ND
2021-03-181034634-01ND
2021-03-181034633-01ND
2021-04-221044869-01ND
2021-04-291052161-01ND
2021-05-061052823-01ND
2021-05-131054055-01ND
2021-09-24810-3700-1ND
2021-09-24810-3699-1ND
2021-09-24810-3698-1ND
2021-10-12810-5182-1ND
2021-12-28810-11025-1ND
2021-12-29810-11326-2ND
2021-12-29810-11220-1ND
2022-03-08810-17576-1AND
2022-03-08810-17573-1AND
2022-03-08810-17505-1AND
2022-03-08810-17508-1AND
2022-03-09810-18451-1AND
2022-03-09810-18448-1ND
2022-03-09FWC0111BND
2022-03-14FWC0176-01SND
2022-03-23810-18980-1SND
2022-05-16FWF0001-01BND
2022-05-16FWE0086ND
2022-05-16FWE0085-01ND
2022-05-16FWE0082-01AND
2022-07-11FWG0325ND
2022-07-11FWG0313ND
2022-07-11FWG0322ND
2022-09-21FWI0536-01ND
2022-09-28FWJ0040ND
2022-09-28FWJ00390.0170 ppb
2022-10-26FWJ0180-01ND
2022-11-14FWJ0183-01ND
2022-11-15FWJ0173-01ND
2022-11-15FWJ0189-01ND
2022-12-14810-47844-1ND
2023-02-06FXB0073-01ND
2023-02-07FXB0069-01ND
2023-02-09FXB0076-01ND
2023-02-15FXB00446-01ND
2023-02-15FXB0430-01ND
2023-02-15FXB0432-01ND
2023-02-16FXB0071-01ND
2023-04-04FXC0511ND
2023-04-04FXC0540ND
2023-04-05FXC0547ND
2023-04-05FXC0551ND
2023-04-05FXC0556ND
2023-04-05FXC0562ND
2023-04-06FXC0505ND
2023-05-01FXD0496ND
2023-07-31FXF0567ND
2023-07-31FXF0578ND
2023-08-02FXF0582ND
2023-08-02FXF0571ND