Dibromochloromethane
Elmira Water Board
Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane 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 | 4.97 ppb | 32 | 32 | 1.64 ppb - 8.94 ppb |
2015 | 4.66 ppb | 32 | 32 | 2.57 ppb - 8.19 ppb |
2016 | 6.34 ppb | 33 | 33 | 2.77 ppb - 14.0 ppb |
2017 | 6.50 ppb | 33 | 33 | 4.28 ppb - 9.37 ppb |
2018 | 4.82 ppb | 33 | 33 | 3.35 ppb - 7.30 ppb |
2019 | 4.78 ppb | 32 | 32 | 2.64 ppb - 8.10 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for dibromochloromethane 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 | 3.42 ppb |
2014-03-17 | 1403265-002DBP | 3.03 ppb |
2014-03-17 | 14032655-001DBP | 1.94 ppb |
2014-03-17 | 14032655-004DBP | 1.64 ppb |
2014-03-17 | 14032655-005DBP | 1.89 ppb |
2014-03-17 | 14032665-001DBP | 1.85 ppb |
2014-03-17 | 14032655-003DBP | 3.21 ppb |
2014-03-17 | 14032651-003DBP | 3.77 ppb |
2014-06-16 | S4F1909-08DBP | 5.46 ppb |
2014-06-16 | S4F1909-03DBP | 4.82 ppb |
2014-06-16 | S4F1909-07DBP | 4.48 ppb |
2014-06-16 | S4F1909-06DBP | 4.93 ppb |
2014-06-16 | S4F1909-01DBP | 4.94 ppb |
2014-06-16 | S4F1909-05DBP | 5.31 ppb |
2014-06-16 | S4F1909-04DBP | 5.51 ppb |
2014-06-16 | S4F1909-02DBP | 5.31 ppb |
2014-09-16 | S4I1726-02THM | 7.39 ppb |
2014-09-16 | S4I1726-01THM | 7.19 ppb |
2014-09-16 | S4I1726-05THM | 8.94 ppb |
2014-09-16 | S4I1726-07THM | 6.74 ppb |
2014-09-16 | S4I1726-06THM | 8.10 ppb |
2014-09-16 | S4I1726-08THM | 7.69 ppb |
2014-09-16 | S4I1726-03THM | 7.16 ppb |
2014-09-16 | S4I1726-04THM | 7.85 ppb |
2014-12-15 | S4L1522-02THM | 4.10 ppb |
2014-12-15 | S4L1522-03THM | 4.17 ppb |
2014-12-15 | S4L1522-08THM | 4.20 ppb |
2014-12-15 | S4L1522-06THM | 5.20 ppb |
2014-12-15 | S4L1522-04THM | 4.35 ppb |
2014-12-15 | S4L1522-01THM | 4.25 ppb |
2014-12-15 | S4L1522-05THM | 6.24 ppb |
2014-12-15 | S4L1522-07THM | 3.86 ppb |
2015-03-17 | S5C0335-05DBP | 5.94 ppb |
2015-03-17 | S5C0335-03DBP | 3.33 ppb |
2015-03-17 | S5C0335-08DBP | 4.14 ppb |
2015-03-17 | S5C0335-04DBP | 3.19 ppb |
2015-03-17 | S5C0335-06DBP | 4.70 ppb |
2015-03-17 | S5C0335-01DBP | 4.59 ppb |
2015-03-17 | S5C0335-02DBP | 3.66 ppb |
2015-03-17 | S5C0335-07DBP | 2.61 ppb |
2015-06-15 | S5F0232-04DBP | 2.78 ppb |
2015-06-15 | S5F0232-03DBP | 2.89 ppb |
2015-06-15 | S5F0232-05DBP | 3.77 ppb |
2015-06-15 | S5F0232-02DBP | 2.78 ppb |
2015-06-15 | S5F0232-06DBP | 3.22 ppb |
2015-06-15 | S5F0232-07DBP | 2.57 ppb |
2015-06-15 | S5F0232-08DBP | 3.32 ppb |
2015-06-15 | S5F0232-01DBP | 3.07 ppb |
2015-09-21 | S5I0247-06DBP | 8.18 ppb |
2015-09-21 | S5I0247-02DBP | 7.29 ppb |
2015-09-21 | S5I0247-01DBP | 7.48 ppb |
2015-09-21 | S5I0247-04DBP | 7.73 ppb |
2015-09-21 | S5I0247-07DBP | 7.41 ppb |
2015-09-21 | S5I0247-08DBP | 7.53 ppb |
2015-09-21 | S5I0247-03DBP | 7.23 ppb |
2015-09-21 | S5I0247-05DBP | 8.19 ppb |
2015-12-14 | S5L0214-05DBP | 5.56 ppb |
2015-12-14 | S5L0214-08DBP | 3.93 ppb |
2015-12-14 | S5L0214-04DBP | 3.84 ppb |
2015-12-14 | S5L0214-07DBP | 3.44 ppb |
2015-12-14 | S5L0214-06DBP | 4.03 ppb |
2015-12-14 | S5L0214-03DBP | 3.72 ppb |
2015-12-14 | S5L0214-01DBP | 3.49 ppb |
2015-12-14 | S5L0214-02DBP | 3.66 ppb |
2016-03-14 | S6C0306-05DBP | 3.07 ppb |
2016-03-14 | S6C0306-03DBP | 2.85 ppb |
2016-03-14 | S6C0306-06DBP | 3.06 ppb |
2016-03-14 | S6C0306-07DBP | 2.81 ppb |
2016-03-14 | S6C0306-08DBP | 2.96 ppb |
2016-03-14 | S6C0306-01DBP | 2.80 ppb |
2016-03-14 | S6C0306-04DBP | 3.05 ppb |
2016-03-14 | S6C0306-02DBP | 3.01 ppb |
2016-06-20 | S6F0113-09DBP | 7.36 ppb |
2016-06-20 | S6F0113-04DBP | 7.69 ppb |
2016-06-20 | S6F0113-03DBP | 6.95 ppb |
2016-06-20 | S6F0113-07DBP | 7.02 ppb |
2016-06-20 | S6F0113-05DBP | 7.03 ppb |
2016-06-20 | S6F0113-06DBP | 6.45 ppb |
2016-06-20 | S6F0113-02DBP | 7.15 ppb |
2016-06-20 | S6F0113-01DBP | 6.72 ppb |
2016-09-19 | J6I0972-02DBP | 11.0 ppb |
2016-09-19 | J6I0972-07DBP9 | 12.0 ppb |
2016-09-19 | J6I0972-08DBP9 | 12.0 ppb |
2016-09-19 | J6I0972-03DBP | 12.0 ppb |
2016-09-19 | J6I0972-01DBP9 | 9.40 ppb |
2016-09-19 | J6I0972-05DBP9 | 14.0 ppb |
2016-09-19 | J6I0972-06DBP9 | 14.0 ppb |
2016-09-19 | J6I0972-04DBP9 | 12.0 ppb |
2016-11-15 | J6K0896-01POC | 3.60 ppb |
2016-12-19 | J6L1187-04DBP | 3.20 ppb |
2016-12-19 | J6L1187-07DBP | 2.77 ppb |
2016-12-19 | J6L1187-02DBP | 3.27 ppb |
2016-12-19 | J6L1187-01DBP | 3.51 ppb |
2016-12-19 | J6L1187-05DBP | 4.91 ppb |
2016-12-19 | J6L1187-08DBP | 3.27 ppb |
2016-12-19 | J6L1187-06DBP | 5.19 ppb |
2016-12-19 | J6L1187-03DBP | 3.12 ppb |
2017-03-20 | J7C1118-08DBP | 4.93 ppb |
2017-03-20 | J7C1118-04DBP | 5.14 ppb |
2017-03-20 | J7C1118-02DBP | 4.41 ppb |
2017-03-20 | J7C1118-05DBP | 4.68 ppb |
2017-03-20 | J7C1118-07DBP | 4.54 ppb |
2017-03-20 | J7C1118-01DBP | 4.28 ppb |
2017-03-20 | J7C1118-03DBP | 4.62 ppb |
2017-03-20 | J7C1118-06DBP | 4.85 ppb |
2017-06-19 | J7F1406-03THM | 6.39 ppb |
2017-06-19 | J7F1406-05THM | 4.89 ppb |
2017-06-19 | J7F1406-06THM | 5.92 ppb |
2017-06-19 | J7F1406-07THM | 5.71 ppb |
2017-06-19 | J7F1406-02THM | 5.99 ppb |
2017-06-19 | J7F1406-04THM | 6.78 ppb |
2017-06-19 | J7F1406-08THM | 6.75 ppb |
2017-06-19 | J7F1406-01THM | 5.78 ppb |
2017-08-15 | J7H1496-04POCS | 7.28 ppb |
2017-09-18 | J711512-04THM | 8.99 ppb |
2017-09-18 | J711512-02THM | 7.72 ppb |
2017-09-18 | J711512-06THM | 8.80 ppb |
2017-09-18 | J711512-01THM | 7.65 ppb |
2017-09-18 | J711512-05THM | 9.37 ppb |
2017-09-18 | J711512-03THM | 8.85 ppb |
2017-09-18 | J711512-07THM | 7.25 ppb |
2017-09-18 | J711512-08THM | 6.86 ppb |
2017-12-19 | J7F2052-03THM | 6.44 ppb |
2017-12-19 | J7F2052-02THM | 6.69 ppb |
2017-12-19 | J7F2052-05THM | 7.04 ppb |
2017-12-19 | J7F2052-01THM | 6.20 ppb |
2017-12-19 | J7F2052-07THM | 6.55 ppb |
2017-12-19 | J7F2052-04THM | 8.54 ppb |
2017-12-19 | J7F2052-08THM | 7.56 ppb |
2017-12-19 | J7F2052-06THM | 7.11 ppb |
2018-03-19 | S8C0193-04DBP | 3.78 ppb |
2018-03-19 | S8C0193-06DBP | 3.59 ppb |
2018-03-19 | S8C0193-07DBP | 3.53 ppb |
2018-03-19 | S8C0193-02DBP | 3.62 ppb |
2018-03-19 | S8C0193-03DBP | 3.66 ppb |
2018-03-19 | S8C0193-05DBP | 3.62 ppb |
2018-03-19 | S8C0193-08DBP | 3.79 ppb |
2018-03-19 | S8C0193-01DBP | 3.49 ppb |
2018-06-18 | S8F0186-06THM | 5.72 ppb |
2018-06-18 | S8F0186-01THM | 5.05 ppb |
2018-06-18 | S8F0186-05THM | 5.37 ppb |
2018-06-18 | S8F0186-07THM | 5.48 ppb |
2018-06-18 | S8F0186-08THM | 6.03 ppb |
2018-06-18 | S8F0186-03THM | 4.90 ppb |
2018-06-18 | S8F0186-02THM | 4.95 ppb |
2018-06-18 | S8F0186-04THM | 5.62 ppb |
2018-09-17 | J8I1397-05DBP | 7.30 ppb |
2018-09-17 | J8I1397-01DBP | 5.10 ppb |
2018-09-17 | J8I1397-06DBP | 5.40 ppb |
2018-09-17 | J8I1397-08DBP | 5.30 ppb |
2018-09-17 | J8I1397-03DBP | 5.50 ppb |
2018-09-17 | J8I1397-02DBP | 5.10 ppb |
2018-09-17 | J8I1397-07DBP | 5.30 ppb |
2018-09-17 | J8I1397-04DBP | 4.90 ppb |
2018-11-13 | J8K1047-01POC | 3.35 ppb |
2018-12-17 | S8L0195-07DBP | 5.10 ppb |
2018-12-17 | S8L0195-04DBP | 5.20 ppb |
2018-12-17 | S8L0195-06DBP | 4.90 ppb |
2018-12-17 | S8L0195-08DBP | 5.10 ppb |
2018-12-17 | S8L0195-01DBP | 4.70 ppb |
2018-12-17 | S8L0195-05DBP | 5.10 ppb |
2018-12-17 | S8L0195-03DBP | 4.60 ppb |
2018-12-17 | S8L0195-02DBP | 4.90 ppb |
2019-03-18 | S9C0258-02DBP | 3.50 ppb |
2019-03-18 | S9C0258-06DBP | 3.94 ppb |
2019-03-18 | S9C0258-08DBP | 3.00 ppb |
2019-03-18 | S9C0258-07DBP | 3.10 ppb |
2019-03-18 | S9C0258-05DBP | 3.72 ppb |
2019-03-18 | S9C0258-03DBP | 2.64 ppb |
2019-03-18 | S9C0258-04DBP | 5.39 ppb |
2019-03-18 | S9C0258-01DBP | 3.70 ppb |
2019-06-17 | S9F0283-04DBP | 5.15 ppb |
2019-06-17 | S9F0283-03DBP | 4.91 ppb |
2019-06-17 | S9F0283-08DBP | 5.42 ppb |
2019-06-17 | S9F0283-05DBP | 5.05 ppb |
2019-06-17 | S9F0283-07DBP | 5.17 ppb |
2019-06-17 | S9F0283-06DBP | 5.00 ppb |
2019-06-17 | S9F0283-01DBP | 4.80 ppb |
2019-06-17 | S9F0283-02DBP | 5.22 ppb |
2019-09-16 | S9I0269-06DBP | 8.10 ppb |
2019-09-16 | S9I0269-02DBP | 7.30 ppb |
2019-09-16 | S9I0269-07DBP | 6.30 ppb |
2019-09-16 | S9I0269-01DBP | 7.40 ppb |
2019-09-16 | S9I0269-04DBP | 7.30 ppb |
2019-09-16 | S9I0269-03DBP | 5.50 ppb |
2019-09-16 | S9I0269-08DBP | 5.80 ppb |
2019-09-16 | S9I0269-05DBP | 7.20 ppb |
2019-12-16 | S9K0142-07DBP | 3.06 ppb |
2019-12-16 | S9K0142-03DBP | 2.68 ppb |
2019-12-16 | S9K0142-06DBP | 3.48 ppb |
2019-12-16 | S9K0142-05DBP | 2.95 ppb |
2019-12-16 | S9K0142-02DBP | 3.07 ppb |
2019-12-16 | S9K0142-08DBP | 3.32 ppb |
2019-12-16 | S9K0142-04DBP | 6.42 ppb |
2019-12-16 | S9K0142-01DBP | 3.46 ppb |