Know Your Environment. Protect Your Health.

Dalapon

City of Granite Shoals

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.800 ppb83ND - 2.60 ppb
2019ND90ND
2020ND80ND
2021ND80ND
20220.267 ppb92ND - 1.20 ppb
2023ND80ND

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
2018-01-23AE09822ND
2018-01-23AE09821ND
2018-05-17AE26727ND
2018-05-17AE26726ND
2018-09-17AE402162.60 ppb
2018-09-17AE402182.50 ppb
2018-11-29AE47365ND
2018-11-29AE473661.30 ppb
2019-03-13AE58217ND
2019-03-13AE58219ND
2019-05-16AE66810ND
2019-05-16AE66811ND
2019-05-16AE66933ND
2019-09-04AE81967ND
2019-09-04AE81965ND
2019-12-11AE92124ND
2019-12-11AE92126ND
2020-01-27AE95300ND
2020-01-27AE95307ND
2020-04-14AF06549ND
2020-04-14AF06554ND
2020-07-06AF18098ND
2020-07-06AF18100ND
2020-11-03AF32913ND
2020-11-03AF32914ND
2021-03-11AF46475ND
2021-03-11AF46477ND
2021-05-20AF54729ND
2021-05-20AF54730ND
2021-08-24AF67620ND
2021-08-24AF67621ND
2021-11-04AF75747ND
2021-11-04AF75751ND
2022-03-07AF87611ND
2022-03-07AF87614ND
2022-03-07AF87645ND
2022-05-24AF98228ND
2022-05-24AF98232ND
2022-08-16AG093901.20 ppb
2022-08-16AG093921.20 ppb
2022-11-14AG18628ND
2022-11-14AG18630ND
2023-03-15AG33082ND
2023-03-15AG33083ND
2023-06-07AG43458ND
2023-06-07AG43473ND
2023-07-31AG50543ND
2023-07-31AG50583ND
2023-10-19AG60418ND
2023-10-19AG60422ND