Endrin
City of Crosbyton
NOTE: City of Crosbyton purchases water from White River Municipal Water District which is required to test for endrin. Sample information shown below was taken by White River Municipal Water District.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
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: City of Crosbyton purchases water from White River Municipal Water District which is required to test for endrin. Sample information shown below was taken by White River Municipal Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-06 | Q1804613001 | ND |
| 2019-02-12 | Q1906201001 | ND |
| 2020-05-19 | Q2019886002 | ND |
| 2021-02-23 | Q2104538001 | ND |
| 2022-03-14 | Q2208563001 | ND |
| 2022-06-02 | Q2215628003 | ND |
| 2023-02-09 | Q2305226004 | ND |