Know Your Environment. Protect Your Health.

Dalapon

Mansfield Water System

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
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
2018-04-1935387645001ND
2018-04-1935387645001ND
2018-08-06354095970012.30 ppb
2018-08-06354095970012.30 ppb
2019-03-13354547250011.90 ppb
2019-03-13354547250011.90 ppb
2019-08-01354866980012.30 ppb
2019-08-01354866980012.30 ppb
2020-02-0335528231001ND
2020-09-2235579680001ND
2021-03-0335616824004ND
2021-08-17356572440010.640 ppb
2022-02-2235699238003ND
2022-08-22357421550020.610 ppb
2023-02-0735778295005ND
2023-08-21358232850011.10 ppb