Know Your Environment. Protect Your Health.

Vinyl chloride

City of Aledo

NOTE: City of Aledo purchases water from City of Fort Worth which is required to test for vinyl chloride. Sample information shown below was taken by City of Fort Worth.

Vinyl chloride is a known human carcinogen used for production of polyvinyl chloride (PVC) plastics. Discharges from plastics manufacturing can contaminate drinking water with vinyl chloride. Read More.

Exposure to vinyl chloride increases the risk of cancer and can damage the liver and nervous system. The California public health goal of 0.05 parts per billion, set to protect against cancer, is 40 times lower than the amount allowed by the federal government, which is a Maximum Contaminant Level of 2 parts per billion.

Plastic pipes made of polyvinyl chloride (PVC) and chlorinated PVC (CPVC) are widely used for drinking water distribution lines and internal plumbing, raising concern about vinyl chloride contamination of drinking water. A study published in 2011 by Ryan Walter of Cornell University School of Civil and Environmental Engineering suggested that small amounts of vinyl chloride can leach from PVC pipes. Vinyl chloride can also form in the pipes as a result of water disinfection with chlorine.

In an assessment completed in 2000, California Office of Environmental Health Hazard Assessment stated that drinking water is not a significant source of exposure to vinyl chloride for the general population.

Click here to read more about carcinogenic VOCs.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND40ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.05 ppb

The EWG Health Guideline of 0.05 ppb for vinyl chloride was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL): 2 ppb

The legal limit for vinyl chloride, established in 1987, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer due to vinyl chloride exposure.

ppb = parts per billion

All test results

NOTE: City of Aledo purchases water from City of Fort Worth which is required to test for vinyl chloride. Sample information shown below was taken by City of Fort Worth.

Date Lab ID Result
2018-01-24Q1802705003ND
2018-07-25Q1829430002ND
2018-07-25Q1829430003ND
2018-09-12Q1836536002ND
2018-09-12Q1836536004ND
2019-01-23Q1903345002ND
2019-04-24Q1916570019ND
2019-07-24Q1947967001ND
2019-07-24Q1947967004ND
2019-07-24Q1947967006ND
2019-07-24Q1947967022ND
2019-10-23Q1973436017ND
2020-01-22Q2002459025ND
2020-01-22Q2002459027ND
2020-07-22Q2028872012ND
2020-07-22Q2028872008ND
2020-07-22Q2028872010ND
2021-01-20Q2101402017ND
2021-01-20Q2101402019ND
2021-07-21Q2119124001ND
2021-07-21Q2119124003ND
2021-07-21Q2119124005ND
2022-01-19Q2201985008ND
2022-01-19Q2201985006ND
2022-07-20Q2220779003ND
2022-07-20Q2220779005ND
2022-07-20Q2220779007ND
2023-01-04Q2300420004ND
2023-03-21Q2310673021ND
2023-07-19Q2328721002ND
2023-09-21Q2341002001ND
2023-09-21Q2341002003ND