Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Waldo Water System

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0733 ppb151ND - 1.10 ppb
2019ND190ND
20200.295 ppb199ND - 1.10 ppb
20210.200 ppb197ND - 0.800 ppb
20220.168 ppb192ND - 1.70 ppb
20230.253 ppb193ND - 1.80 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result