Lindane
Forestbrook S/d
Lindane is a neurotoxic and carcinogenic insecticide phased out of agricultural use in the U.S. since 2002. It is prescribed to treat lice or scabies, although safer alternatives are available.
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 | 0.0133 ppb | 3 | 1 | ND - 0.0400 ppb |
| 2019 | 0.01000 ppb | 2 | 1 | ND - 0.0200 ppb |
| 2020 | 0.0300 ppb | 1 | 1 | 0.0300 ppb |
| 2021 | 0.0975 ppb | 4 | 2 | ND - 0.300 ppb |
| 2022 | 0.118 ppb | 4 | 4 | 0.0600 ppb - 0.240 ppb |
| 2023 | 0.136 ppb | 4 | 3 | ND - 0.400 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.032 ppb
The EWG Health Guideline of 0.032 ppb for lindane 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 cancer.
EPA Maximum Contaminant
Level (MCL): 0.2 ppb
The legal limit for lindane, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-10-09 | 7069-100918-E03S | 0.0400 ppb |
| 2018-10-09 | 7069-100918-E04S | ND |
| 2018-10-09 | 7069-100918-E01S | ND |
| 2019-06-13 | 7069-061319-E03S | ND |
| 2019-10-08 | 7069-100819-E03S | 0.0200 ppb |
| 2020-10-27 | 7069-102720-E03S | 0.0300 ppb |
| 2021-10-19 | 7069-101921-E01S | ND |
| 2021-10-19 | 7069-101921-E03S | 0.300 ppb |
| 2021-10-19 | 7069-101921-E04S | ND |
| 2021-11-17 | 7069-111721-E03S | 0.0900 ppb |
| 2022-02-15 | 7069-021522-E03S | 0.0700 ppb |
| 2022-04-27 | 7069-042722-E03S | 0.0600 ppb |
| 2022-07-12 | 7069-071222-E03S | 0.240 ppb |
| 2022-10-11 | 7069-101122-E03S | 0.1000 ppb |
| 2023-01-10 | 752-1061-1_A | 0.0840 ppb |
| 2023-06-05 | 752-7773-1 | ND |
| 2023-08-07 | 752-10177-1 | 0.400 ppb |
| 2023-10-09 | 752-12420-1 | 0.0600 ppb |