Bromodichloromethane
Elmira Water Board
Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 14.2 ppb | 32 | 32 | 6.34 ppb - 24.4 ppb |
2015 | 12.1 ppb | 32 | 32 | 6.98 ppb - 19.6 ppb |
2016 | 13.5 ppb | 33 | 33 | 7.29 ppb - 24.0 ppb |
2017 | 13.0 ppb | 33 | 33 | 6.81 ppb - 18.6 ppb |
2018 | 12.5 ppb | 33 | 33 | 6.81 ppb - 22.0 ppb |
2019 | 11.9 ppb | 32 | 32 | 5.74 ppb - 19.0 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromodichloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-03-17 | 14032655-002DBP | 8.56 ppb |
2014-03-17 | 1403265-002DBP | 8.11 ppb |
2014-03-17 | 14032655-001DBP | 7.40 ppb |
2014-03-17 | 14032655-004DBP | 6.34 ppb |
2014-03-17 | 14032655-005DBP | 7.27 ppb |
2014-03-17 | 14032665-001DBP | 6.91 ppb |
2014-03-17 | 14032655-003DBP | 8.69 ppb |
2014-03-17 | 14032651-003DBP | 8.85 ppb |
2014-06-16 | S4F1909-08DBP | 23.1 ppb |
2014-06-16 | S4F1909-03DBP | 20.6 ppb |
2014-06-16 | S4F1909-07DBP | 19.5 ppb |
2014-06-16 | S4F1909-06DBP | 23.1 ppb |
2014-06-16 | S4F1909-01DBP | 23.8 ppb |
2014-06-16 | S4F1909-05DBP | 22.6 ppb |
2014-06-16 | S4F1909-04DBP | 24.4 ppb |
2014-06-16 | S4F1909-02DBP | 24.1 ppb |
2014-09-16 | S4I1726-02THM | 15.4 ppb |
2014-09-16 | S4I1726-01THM | 14.7 ppb |
2014-09-16 | S4I1726-05THM | 17.6 ppb |
2014-09-16 | S4I1726-07THM | 13.3 ppb |
2014-09-16 | S4I1726-06THM | 20.9 ppb |
2014-09-16 | S4I1726-08THM | 15.7 ppb |
2014-09-16 | S4I1726-03THM | 14.2 ppb |
2014-09-16 | S4I1726-04THM | 16.7 ppb |
2014-12-15 | S4L1522-02THM | 9.62 ppb |
2014-12-15 | S4L1522-03THM | 9.54 ppb |
2014-12-15 | S4L1522-08THM | 9.87 ppb |
2014-12-15 | S4L1522-06THM | 12.1 ppb |
2014-12-15 | S4L1522-04THM | 11.2 ppb |
2014-12-15 | S4L1522-01THM | 10.2 ppb |
2014-12-15 | S4L1522-05THM | 13.2 ppb |
2014-12-15 | S4L1522-07THM | 8.09 ppb |
2015-03-17 | S5C0335-05DBP | 9.98 ppb |
2015-03-17 | S5C0335-03DBP | 8.94 ppb |
2015-03-17 | S5C0335-08DBP | 8.07 ppb |
2015-03-17 | S5C0335-04DBP | 7.82 ppb |
2015-03-17 | S5C0335-06DBP | 8.62 ppb |
2015-03-17 | S5C0335-01DBP | 8.00 ppb |
2015-03-17 | S5C0335-02DBP | 7.81 ppb |
2015-03-17 | S5C0335-07DBP | 6.98 ppb |
2015-06-15 | S5F0232-04DBP | 13.7 ppb |
2015-06-15 | S5F0232-03DBP | 12.8 ppb |
2015-06-15 | S5F0232-05DBP | 13.5 ppb |
2015-06-15 | S5F0232-02DBP | 12.8 ppb |
2015-06-15 | S5F0232-06DBP | 13.4 ppb |
2015-06-15 | S5F0232-07DBP | 11.8 ppb |
2015-06-15 | S5F0232-08DBP | 13.4 ppb |
2015-06-15 | S5F0232-01DBP | 12.1 ppb |
2015-09-21 | S5I0247-06DBP | 19.6 ppb |
2015-09-21 | S5I0247-02DBP | 16.7 ppb |
2015-09-21 | S5I0247-01DBP | 16.7 ppb |
2015-09-21 | S5I0247-04DBP | 17.3 ppb |
2015-09-21 | S5I0247-07DBP | 16.3 ppb |
2015-09-21 | S5I0247-08DBP | 16.9 ppb |
2015-09-21 | S5I0247-03DBP | 16.5 ppb |
2015-09-21 | S5I0247-05DBP | 18.4 ppb |
2015-12-14 | S5L0214-05DBP | 14.4 ppb |
2015-12-14 | S5L0214-08DBP | 9.78 ppb |
2015-12-14 | S5L0214-04DBP | 9.09 ppb |
2015-12-14 | S5L0214-07DBP | 7.94 ppb |
2015-12-14 | S5L0214-06DBP | 10.1 ppb |
2015-12-14 | S5L0214-03DBP | 8.87 ppb |
2015-12-14 | S5L0214-01DBP | 8.58 ppb |
2015-12-14 | S5L0214-02DBP | 8.76 ppb |
2016-03-14 | S6C0306-03DBP | 7.56 ppb |
2016-03-14 | S6C0306-01DBP | 7.29 ppb |
2016-03-14 | S6C0306-08DBP | 7.81 ppb |
2016-03-14 | S6C0306-04DBP | 7.91 ppb |
2016-03-14 | S6C0306-07DBP | 7.58 ppb |
2016-03-14 | S6C0306-02DBP | 7.85 ppb |
2016-03-14 | S6C0306-06DBP | 8.04 ppb |
2016-03-14 | S6C0306-05DBP | 9.50 ppb |
2016-06-20 | S6F0113-03DBP | 13.4 ppb |
2016-06-20 | S6F0113-09DBP | 14.4 ppb |
2016-06-20 | S6F0113-02DBP | 14.3 ppb |
2016-06-20 | S6F0113-05DBP | 15.4 ppb |
2016-06-20 | S6F0113-06DBP | 13.4 ppb |
2016-06-20 | S6F0113-04DBP | 14.9 ppb |
2016-06-20 | S6F0113-01DBP | 14.0 ppb |
2016-06-20 | S6F0113-07DBP | 13.2 ppb |
2016-09-19 | J6I0972-07DBP9 | 19.0 ppb |
2016-09-19 | J6I0972-08DBP9 | 21.0 ppb |
2016-09-19 | J6I0972-02DBP | 18.0 ppb |
2016-09-19 | J6I0972-03DBP | 19.0 ppb |
2016-09-19 | J6I0972-01DBP9 | 15.0 ppb |
2016-09-19 | J6I0972-05DBP9 | 24.0 ppb |
2016-09-19 | J6I0972-04DBP9 | 21.0 ppb |
2016-09-19 | J6I0972-06DBP9 | 23.0 ppb |
2016-11-15 | J6K0896-01POC | 8.20 ppb |
2016-12-19 | J6L1187-03DBP | 12.1 ppb |
2016-12-19 | J6L1187-01DBP | 12.8 ppb |
2016-12-19 | J6L1187-05DBP | 14.3 ppb |
2016-12-19 | J6L1187-07DBP | 9.59 ppb |
2016-12-19 | J6L1187-02DBP | 12.2 ppb |
2016-12-19 | J6L1187-04DBP | 11.3 ppb |
2016-12-19 | J6L1187-08DBP | 11.6 ppb |
2016-12-19 | J6L1187-06DBP | 15.3 ppb |
2017-03-20 | J7C1118-05DBP | 10.2 ppb |
2017-03-20 | J7C1118-07DBP | 6.84 ppb |
2017-03-20 | J7C1118-06DBP | 8.38 ppb |
2017-03-20 | J7C1118-08DBP | 7.20 ppb |
2017-03-20 | J7C1118-02DBP | 6.81 ppb |
2017-03-20 | J7C1118-04DBP | 7.78 ppb |
2017-03-20 | J7C1118-01DBP | 7.74 ppb |
2017-03-20 | J7C1118-03DBP | 7.11 ppb |
2017-06-19 | J7F1406-04THM | 13.9 ppb |
2017-06-19 | J7F1406-08THM | 14.4 ppb |
2017-06-19 | J7F1406-03THM | 14.4 ppb |
2017-06-19 | J7F1406-07THM | 12.8 ppb |
2017-06-19 | J7F1406-05THM | 16.8 ppb |
2017-06-19 | J7F1406-01THM | 15.5 ppb |
2017-06-19 | J7F1406-06THM | 18.2 ppb |
2017-06-19 | J7F1406-02THM | 14.9 ppb |
2017-08-15 | J7H1496-04POCS | 14.7 ppb |
2017-09-18 | J711512-03THM | 18.6 ppb |
2017-09-18 | J711512-07THM | 17.5 ppb |
2017-09-18 | J711512-05THM | 17.7 ppb |
2017-09-18 | J711512-06THM | 18.1 ppb |
2017-09-18 | J711512-01THM | 14.6 ppb |
2017-09-18 | J711512-02THM | 16.6 ppb |
2017-09-18 | J711512-08THM | 17.4 ppb |
2017-09-18 | J711512-04THM | 17.7 ppb |
2017-12-19 | J7F2052-04THM | 15.8 ppb |
2017-12-19 | J7F2052-01THM | 10.6 ppb |
2017-12-19 | J7F2052-03THM | 10.2 ppb |
2017-12-19 | J7F2052-06THM | 12.3 ppb |
2017-12-19 | J7F2052-07THM | 9.95 ppb |
2017-12-19 | J7F2052-02THM | 10.7 ppb |
2017-12-19 | J7F2052-05THM | 12.1 ppb |
2017-12-19 | J7F2052-08THM | 12.8 ppb |
2018-03-19 | S8C0193-07DBP | 6.81 ppb |
2018-03-19 | S8C0193-04DBP | 8.15 ppb |
2018-03-19 | S8C0193-01DBP | 7.72 ppb |
2018-03-19 | S8C0193-02DBP | 7.63 ppb |
2018-03-19 | S8C0193-06DBP | 8.11 ppb |
2018-03-19 | S8C0193-05DBP | 10.4 ppb |
2018-03-19 | S8C0193-08DBP | 8.41 ppb |
2018-03-19 | S8C0193-03DBP | 7.79 ppb |
2018-06-18 | S8F0186-02THM | 12.6 ppb |
2018-06-18 | S8F0186-08THM | 16.6 ppb |
2018-06-18 | S8F0186-01THM | 14.1 ppb |
2018-06-18 | S8F0186-03THM | 12.7 ppb |
2018-06-18 | S8F0186-04THM | 16.2 ppb |
2018-06-18 | S8F0186-06THM | 15.5 ppb |
2018-06-18 | S8F0186-05THM | 13.6 ppb |
2018-06-18 | S8F0186-07THM | 13.8 ppb |
2018-09-17 | J8I1397-04DBP | 19.0 ppb |
2018-09-17 | J8I1397-05DBP | 22.0 ppb |
2018-09-17 | J8I1397-07DBP | 19.0 ppb |
2018-09-17 | J8I1397-08DBP | 19.0 ppb |
2018-09-17 | J8I1397-06DBP | 20.0 ppb |
2018-09-17 | J8I1397-02DBP | 20.0 ppb |
2018-09-17 | J8I1397-01DBP | 18.0 ppb |
2018-09-17 | J8I1397-03DBP | 20.0 ppb |
2018-11-13 | J8K1047-01POC | 7.91 ppb |
2018-12-17 | S8L0195-01DBP | 7.80 ppb |
2018-12-17 | S8L0195-04DBP | 13.0 ppb |
2018-12-17 | S8L0195-02DBP | 7.40 ppb |
2018-12-17 | S8L0195-06DBP | 7.90 ppb |
2018-12-17 | S8L0195-03DBP | 6.90 ppb |
2018-12-17 | S8L0195-08DBP | 7.40 ppb |
2018-12-17 | S8L0195-07DBP | 7.60 ppb |
2018-12-17 | S8L0195-05DBP | 8.10 ppb |
2019-03-18 | S9C0258-05DBP | 7.52 ppb |
2019-03-18 | S9C0258-06DBP | 7.29 ppb |
2019-03-18 | S9C0258-04DBP | 9.45 ppb |
2019-03-18 | S9C0258-07DBP | 7.02 ppb |
2019-03-18 | S9C0258-03DBP | 5.74 ppb |
2019-03-18 | S9C0258-02DBP | 6.97 ppb |
2019-03-18 | S9C0258-08DBP | 6.58 ppb |
2019-03-18 | S9C0258-01DBP | 7.17 ppb |
2019-06-17 | S9F0283-03DBP | 12.4 ppb |
2019-06-17 | S9F0283-01DBP | 12.3 ppb |
2019-06-17 | S9F0283-08DBP | 13.3 ppb |
2019-06-17 | S9F0283-02DBP | 13.4 ppb |
2019-06-17 | S9F0283-05DBP | 13.6 ppb |
2019-06-17 | S9F0283-04DBP | 15.5 ppb |
2019-06-17 | S9F0283-06DBP | 14.2 ppb |
2019-06-17 | S9F0283-07DBP | 12.7 ppb |
2019-09-16 | S9I0269-08DBP | 15.0 ppb |
2019-09-16 | S9I0269-05DBP | 17.0 ppb |
2019-09-16 | S9I0269-07DBP | 18.0 ppb |
2019-09-16 | S9I0269-01DBP | 15.0 ppb |
2019-09-16 | S9I0269-06DBP | 19.0 ppb |
2019-09-16 | S9I0269-03DBP | 16.0 ppb |
2019-09-16 | S9I0269-02DBP | 18.0 ppb |
2019-09-16 | S9I0269-04DBP | 19.0 ppb |
2019-12-16 | S9K0142-05DBP | 9.94 ppb |
2019-12-16 | S9K0142-04DBP | 13.8 ppb |
2019-12-16 | S9K0142-08DBP | 9.63 ppb |
2019-12-16 | S9K0142-03DBP | 7.16 ppb |
2019-12-16 | S9K0142-01DBP | 9.21 ppb |
2019-12-16 | S9K0142-02DBP | 9.02 ppb |
2019-12-16 | S9K0142-06DBP | 9.65 ppb |
2019-12-16 | S9K0142-07DBP | 8.76 ppb |