Know Your Environment. Protect Your Health.

Dalapon

Jefferson Parish

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.30 ppb126ND - 2.80 ppb
2019ND120ND
2020ND60ND
2021ND60ND
20220.195 ppb62ND - 0.600 ppb
20230.198 ppb62ND - 0.630 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
2018-03-1535380393003ND
2018-03-1535380393001ND
2018-03-1535380393002ND
2018-03-1535380393003ND
2018-03-1535380393002ND
2018-03-1535380393001ND
2018-08-15354116350022.80 ppb
2018-08-15354116350012.50 ppb
2018-08-15354116350032.50 ppb
2018-08-15354116350032.50 ppb
2018-08-15354116350022.80 ppb
2018-08-15354116350012.50 ppb
2019-02-2735451094001ND
2019-02-2735451093001ND
2019-02-2735451088001ND
2019-02-2735451088001ND
2019-02-2735451093001ND
2019-02-2735451094001ND
2019-08-0135486654001ND
2019-08-0135486656001ND
2019-08-0135486659001ND
2019-08-0135486656001ND
2019-08-0135486654001ND
2019-08-0135486659001ND
2020-03-2635540021001ND
2020-03-2635540015001ND
2020-03-2635540013001ND
2020-10-0835583706001ND
2020-10-0835583707001ND
2020-10-0835583709001ND
2021-01-2835608080001ND
2021-01-2835608082001ND
2021-01-2835608086001ND
2021-10-1435671095001ND
2021-10-1435671096001ND
2021-10-1435671098001ND
2022-01-2535692991001ND
2022-01-2535692990001ND
2022-01-2535692989001ND
2022-07-2735735696001ND
2022-07-27357356950010.600 ppb
2022-07-27357356940010.570 ppb
2023-01-1135772258001ND
2023-01-1135772259001ND
2023-01-1135772260001ND
2023-11-16358424310010.560 ppb
2023-11-1635842438001ND
2023-11-16358424420010.630 ppb