Know Your Environment. Protect Your Health.

Endrin

Rra Arrowhead Lake Lots

NOTE: Rra Arrowhead Lake Lots purchases water from City of Wichita Falls which is required to test for endrin. Sample information shown below was taken by City of Wichita 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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

NOTE: Rra Arrowhead Lake Lots purchases water from City of Wichita Falls which is required to test for endrin. Sample information shown below was taken by City of Wichita Falls.

Date Lab ID Result
2018-08-21Q1833473009ND
2018-11-14Q1846491003ND
2019-08-19Q1956634002ND
2020-02-25Q2006937005ND
2021-02-03Q2103346001ND
2021-08-16Q2121825001ND
2022-08-17Q2224340020ND
2023-08-21Q2335127011ND