Know Your Environment. Protect Your Health.

Dalapon

Thousand Trails San Benito Preserve

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND110ND
2019ND10ND
2020N/A00N/A
2021N/A00N/A
2022ND20ND
2023N/A00N/A

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
2018-03-28CA3500505_002_002-201803281502ND
2018-03-28CA3500505_001_001-201803281545ND
2018-06-21CA3500505_001_001-201806211103ND
2018-06-21CA3500505_002_002-201806211138ND
2018-06-26CA3500505_005_005-201806260730ND
2018-08-08CA3500505_002_002-201808080816ND
2018-08-08CA3500505_001_001-201808080856ND
2018-08-08CA3500505_005_005-201808080712ND
2018-11-14CA3500505_001_001-201811141230ND
2018-11-14CA3500505_005_005-201811141030ND
2018-11-27CA3500505_002_002-201811271215ND
2019-03-26CA3500505_005_005-201903261100ND
2022-01-28CA3500505_001_001-202201281010ND
2022-03-31CA3500505_005_005-202203311345ND