Know Your Environment. Protect Your Health.

Dalapon

Holly Hills Mutual Water Company

NOTE: Holly Hills Mutual Water Company purchases water from Normco Water Company which is required to test for dalapon. Sample information shown below was taken by Normco Water Company.

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

 

2

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND10ND
2021N/A00N/A
2022N/A00N/A
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: Holly Hills Mutual Water Company purchases water from Normco Water Company which is required to test for dalapon. Sample information shown below was taken by Normco Water Company.

Date Lab ID Result
2020-08-17CA2700511_002_002-202008170950ND
2023-08-07CA2700511_002_002-202308071125ND