Know Your Environment. Protect Your Health.

Dalapon

Pendleton Water Association

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.40 ppb441.70 ppb - 3.10 ppb
20194.00 ppb441.90 ppb - 6.10 ppb
20200.850 ppb21ND - 1.70 ppb
20210.900 ppb21ND - 1.80 ppb
20221.55 ppb221.50 ppb - 1.60 ppb
20231.17 ppb220.830 ppb - 1.50 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
2018-02-20353759790011.70 ppb
2018-02-20353759790011.70 ppb
2018-08-06354095990013.10 ppb
2018-08-06354095990013.10 ppb
2019-03-12354547210011.90 ppb
2019-03-12354547210011.90 ppb
2019-08-07354889720016.10 ppb
2019-08-07354889720016.10 ppb
2020-02-1035529911001ND
2020-09-22355796690011.70 ppb
2021-01-2035606276002ND
2021-08-18356572440051.80 ppb
2022-02-21356992440011.50 ppb
2022-08-29357438580021.60 ppb
2023-02-27357827470020.830 ppb
2023-08-07358196710011.50 ppb