Know Your Environment. Protect Your Health.

Dalapon

Highway 513 Water Supply

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

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.15 ppb42ND - 2.30 ppb
20192.10 ppb441.90 ppb - 2.30 ppb
2020ND20ND
20210.320 ppb21ND - 0.640 ppb
20220.305 ppb21ND - 0.610 ppb
20230.550 ppb21ND - 1.10 ppb

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