Know Your Environment. Protect Your Health.

Dalapon

Fairview Union Water System

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20192.77 ppb62ND - 8.30 ppb
20201.45 ppb21ND - 2.90 ppb
20211.45 ppb21ND - 2.90 ppb
20221.25 ppb21ND - 2.50 ppb
20231.70 ppb21ND - 3.40 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
2018-01-2235370033001ND
2018-01-2235370033001ND
2018-07-3135408507001ND
2018-07-3135408507001ND
2019-02-2535450972001ND
2019-02-2535450972001ND
2019-08-26354933380018.30 ppb
2019-08-26354933380018.30 ppb
2019-09-2535500914001ND
2019-09-2535500914001ND
2020-02-1735531817001ND
2020-09-17355788260012.90 ppb
2021-01-1435604986002ND
2021-08-18356572440072.90 ppb
2022-02-0135694942005ND
2022-08-08357389860032.50 ppb
2023-03-0635784946001ND
2023-08-22358232830013.40 ppb