Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Yadkinville, Town of

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

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.16 ppb54ND - 5.50 ppb
20192.87 ppb32ND - 4.30 ppb
20203.09 ppb75ND - 4.70 ppb
20211.49 ppb115ND - 3.90 ppb
20221.69 ppb73ND - 4.90 ppb
20232.53 ppb64ND - 4.70 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
2018-02-0892372538001VOC4.80 ppb
2018-04-0592379790004VOCND
2018-05-3192386687001VOC5.40 ppb
2018-08-2392396902001VOC5.10 ppb
2018-11-0892406563001VOC5.50 ppb
2019-05-3092431146001_127104.30 ppb
2019-08-2292442598001_127104.30 ppb
2019-10-1092449202001_12710ND
2020-02-2792467096001_127104.20 ppb
2020-06-0492480494001_127104.70 ppb
2020-08-1892491332001_127103.90 ppb
2020-11-1792506645001A_12710ND
2020-11-1792506645002_127104.40 ppb
2020-11-1792506645002A_127104.40 ppb
2020-11-1792506645001_12710ND
2021-02-1192521779001_127102.80 ppb
2021-03-1192527294001_12710ND
2021-05-2792541146001_127103.10 ppb
2021-05-2792541146002_12710ND
2021-08-1892556587001_12710ND
2021-08-1892556587002_127103.70 ppb
2021-09-0192559299001_127102.90 ppb
2021-09-0192559299002_12710ND
2021-10-0792565459001_12710ND
2021-12-0892577072001_127103.90 ppb
2021-12-0992577072002_12710ND
2022-02-2392590106001_127104.90 ppb
2022-02-2492590106002_12710ND
2022-08-0492618638001_12710ND
2022-09-072092964-01ND
2022-09-072092964-023.40 ppb
2022-10-052103511-01ND
2022-10-242111860-013.50 ppb
2023-01-023013256-013.00 ppb
2023-01-053013426-01ND
2023-04-0592660667001_127103.60 ppb
2023-07-0692676043003_127104.70 ppb
2023-10-0592691709001_127103.90 ppb
2023-10-0592691709002_12710ND