Tribromoacetic acid

Wellsville PWS

NOTE: Wellsville PWS purchases water from Clarence Cannon Wholesale Water Commission which is required to test for tribromoacetic acid. Sample information shown below was taken by Clarence Cannon Wholesale Water Commission.

Tribromoacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	8	ND
2015	ND	8	ND
2016	ND	8	ND
2017	ND	8	ND
2018	ND	8	ND
2019	ND	8	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for tribromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-02-26	AC18136	ND
2014-05-19	AC23144	ND
2014-08-21	AC33203	ND
2014-12-04	AC39975	ND
2015-02-26	AC43246	ND
2015-05-18	AC46492	ND
2015-08-25	AC57338	ND
2015-11-10	AC62754	ND
2016-02-11	AC66296	ND
2016-05-11	AC71989	ND
2016-08-15	AC81588	ND
2016-11-07	AC86888	ND
2017-02-09	AC90752	ND
2017-05-08	AC95723	ND
2017-08-07	AD03309	ND
2017-11-07	AD09437	ND
2018-02-12	AD14223	ND
2018-05-08	AD20456	ND
2018-08-05	AD31129	ND
2018-11-02	AD35666	ND
2019-02-18	AD39334	ND
2019-05-14	AD47415	ND
2019-08-15	AD53854	ND
2019-11-20	AD58041	ND