Know Your Environment. Protect Your Health.

Dalapon

Comanche County Water Supply Corporation Sipe Springs

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
20200.238 ppb81ND - 1.90 ppb
20211.83 ppb82ND - 8.20 ppb
20220.375 ppb82ND - 1.50 ppb
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-27AE15992ND
2018-02-27AE15989ND
2018-06-04AE28453ND
2018-06-04AE28451ND
2018-09-13AE39981ND
2018-09-13AE39982ND
2018-11-07AE45563ND
2018-11-07AE45564ND
2019-02-19AE54825ND
2019-02-19AE54827ND
2019-06-04AE69040ND
2019-06-04AE69043ND
2019-08-07AE77397ND
2019-08-07AE77395ND
2019-11-06AE88626ND
2019-11-06AE88631ND
2020-02-13AE98353ND
2020-02-13AE98354ND
2020-04-21AF07359ND
2020-04-21AF07361ND
2020-07-15AF19375ND
2020-07-15AF19377ND
2020-11-10AF338441.90 ppb
2020-11-10AF33847ND
2021-03-04AF45327ND
2021-03-04AF45328ND
2021-04-13AF49927ND
2021-04-13AF49938ND
2021-07-07AF609156.40 ppb
2021-07-07AF609168.20 ppb
2021-11-02AF75380ND
2021-11-02AF75384ND
2022-03-21AF89753ND
2022-03-21AF89755ND
2022-05-19AF977201.50 ppb
2022-05-19AF977231.50 ppb
2022-07-07AG03662ND
2022-07-07AG03668ND
2022-11-30AG20196ND
2022-11-30AG20198ND
2023-01-24AG25992ND
2023-01-24AG25995ND
2023-05-11AG40170ND
2023-05-11AG40171ND
2023-09-06AG55043ND
2023-09-06AG55045ND
2023-12-28AG67353ND
2023-12-28AG67354ND