Know Your Environment. Protect Your Health.

Dalapon

Sandy Harbor Subdivision

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.900 ppb32ND - 1.70 ppb
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-06-11AE29226ND
2018-08-14AE369041.70 ppb
2018-11-29AE473601.000 ppb
2019-02-22AE55522ND
2019-04-04AE61176ND
2019-08-13AE78265ND
2019-10-24AE87544ND
2020-02-10AE97557ND
2020-04-06AF05615ND
2020-07-15AF19390ND
2020-11-09AF33567ND
2021-02-01AF41874ND
2021-06-16AF58228ND
2021-08-23AF67338ND
2021-11-10AF76424ND
2022-03-02AF87201ND
2022-04-07AF92433ND
2022-08-15AG09106ND
2022-10-21AG17919ND
2023-03-14AG32804ND
2023-06-13AG44169ND
2023-09-07AG55264ND
2023-10-17AG60033ND