Know Your Environment. Protect Your Health.

Dalapon

Harris County Municipal Utility District 316

NOTE: Harris County Municipal Utility District 316 purchases water from Cypress Klein Utility District Wimbleton which is required to test for dalapon. Sample information shown below was taken by Cypress Klein Utility District Wimbleton.

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

 

14

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

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

NOTE: Harris County Municipal Utility District 316 purchases water from Cypress Klein Utility District Wimbleton which is required to test for dalapon. Sample information shown below was taken by Cypress Klein Utility District Wimbleton.

Date Lab ID Result
2018-06-19AE30453ND
2018-06-19AE30542ND
2019-07-15AE74409ND
2019-11-25AE90458ND
2020-09-21AF27889ND
2020-09-21AF27958ND
2020-10-15AF30930ND
2021-05-19AF54587ND
2021-06-14AF57909ND
2022-06-24AG02371ND
2022-06-24AG02423ND
2023-08-02AG51076ND
2023-08-02AG51149ND
2023-08-02AG51150ND