Know Your Environment. Protect Your Health.

Barium

Williamston, Town of

NOTE: Williamston, Town of purchases water from Martin County Regional WASA which is required to test for barium. Sample information shown below was taken by Martin County Regional WASA.

Barium is a mineral present in rocks, soil and water. High concentrations of barium in drinking water increase the risk of cardiovascular disease and hypertension.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019N/A00N/A
2020ND10ND
2021ND30ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 700 ppb

The EWG Health Guideline of 700 ppb for barium was defined by EWG as benchmark that protects against harm to the kidneys and the cardiovascular system.

EPA Maximum Contaminant
Level (MCL): 2,000 ppb

The legal limit for barium, established in 1991, was based on a 10-week study of barium exposure in 11 adult male volunteers. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

NOTE: Williamston, Town of purchases water from Martin County Regional WASA which is required to test for barium. Sample information shown below was taken by Martin County Regional WASA.

Date Lab ID Result
2018-01-037442-010318-E01IND
2020-01-087442-010820-E01IND
2020-01-087442A-010820-E01IND
2021-06-027451-060221-E01IND
2022-06-017451-060122-E01IND
2023-06-077451-060723-E01IND