Know Your Environment. Protect Your Health.

MTBE

Tdcj Clemens 2 Unit

NOTE: Tdcj Clemens 2 Unit purchases water from Brazosport Water Authority which is required to test for mtbe. Sample information shown below was taken by Brazosport Water Authority.

MTBE was used as gasoline oxygenation additive to boost the octane number. In 2005, MTBE was replaced by ethanol as a gasoline additive. MTBE causes cancers in rats.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND40ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 13 ppb

The EWG Health Guideline of 13 ppb for MTBE 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.

ppb = parts per billion

All test results

NOTE: Tdcj Clemens 2 Unit purchases water from Brazosport Water Authority which is required to test for mtbe. Sample information shown below was taken by Brazosport Water Authority.

Date Lab ID Result
2018-07-12AE33163ND
2019-07-08AE73438ND
2020-08-26AF25689ND
2021-08-16AF66462ND
2022-09-07AG11875ND
2023-08-24AG54042ND
2023-11-13AG63369ND