Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Dalapon

Portales Water System

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2012-09-112012032647ND
2012-10-302012038994ND
2013-09-051309246-005AND
2013-10-021310236-002AND
2014-07-171407893-005AND
2014-07-171407894-005AND
2014-10-011410173-001AND
2017-06-062017016942ND
2017-06-062017016943ND
2017-10-172017030180ND
2017-10-172017030181ND