Know Your Environment. Protect Your Health.

Xylenes (total)

Cross Timbers Water Supply Corporation

Xylenes are solvents used in industrial and consumer products, such as cleaning agents and paint thinners. Xylenes cause nervous system damage and may harm developing fetuses.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND50ND
2021ND50ND
2022ND50ND
20231.07 ppb41ND - 4.27 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,800 ppb

The EWG Health Guideline of 1,800 ppb for xylenes 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 harm to the brain and nervous system.

EPA Maximum Contaminant
Level (MCL): 10,000 ppb

The legal limit for xylenes, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s. This limit may not fully protect against harm to the brain and nervous system due to xylene exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-11Q1801616004ND
2018-01-11Q1801616001ND
2018-04-11Q1815188001ND
2018-04-11Q1815188006ND
2018-12-05Q1849636003ND
2019-03-07Q1909909002ND
2019-03-07Q1909909007ND
2019-06-05Q1932306001ND
2019-06-05Q1932306003ND
2019-06-05Q1932306005ND
2020-05-18Q2019652003ND
2020-10-12Q2039719010ND
2020-10-12Q2039719012ND
2020-10-12Q2039719014ND
2020-12-01Q2048173001ND
2021-08-30Q2123513009ND
2021-08-30Q2123513011ND
2021-08-30Q2123513013ND
2021-08-30Q2123513015ND
2021-11-08Q2131371002ND
2022-02-17Q2205965004ND
2022-02-17Q2205965006ND
2022-11-29Q2235312002ND
2022-11-29Q2235312004ND
2022-11-29Q2235312006ND
2023-03-02Q2308488004ND
2023-03-02Q2308488006ND
2023-11-27Q2350411005ND
2023-11-27Q23504110074.27 ppb