Bromoform
Hazardville Water Company
Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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 |
---|---|---|---|---|
2014 | 0.546 ppb | 26 | 15 | ND - 2.00 ppb |
2015 | 0.786 ppb | 21 | 16 | ND - 1.90 ppb |
2016 | 0.714 ppb | 22 | 14 | ND - 2.00 ppb |
2017 | 0.666 ppb | 25 | 12 | ND - 3.10 ppb |
2018 | 0.715 ppb | 22 | 13 | ND - 2.40 ppb |
2019 | 0.692 ppb | 21 | 12 | ND - 2.80 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.5 ppb
The EWG Health Guideline of 0.5 ppb for bromoform 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 |
---|---|---|
2014-01-27 | SB83819-04-VOC | ND |
2014-01-27 | SB83819-06-VOC | 0.500 ppb |
2014-01-27 | SB83819-07-VOC | 1.000 ppb |
2014-01-27 | SB83819-08-VOC | 1.50 ppb |
2014-01-27 | SB83819-09-VOC | 0.600 ppb |
2014-04-21 | SB87957-07-VOC | 0.900 ppb |
2014-04-21 | SB87957-10-VOC | 0.500 ppb |
2014-04-21 | SB87957-11-VOC | 2.00 ppb |
2014-04-21 | SB87957-12-VOC | 0.600 ppb |
2014-04-21 | SB87957-13-VOC | ND |
2014-04-21 | SB87957-14-VOC | ND |
2014-06-03 | SB90449-01-VOC | ND |
2014-06-03 | SB90449-02-VOC | ND |
2014-06-03 | SB90449-03-VOC | ND |
2014-06-03 | SB90449-04-VOC | ND |
2014-06-03 | SB90449-05-VOC | ND |
2014-07-07 | SB92334-09-VOC | ND |
2014-07-21 | SB93129-04-VOC | 1.10 ppb |
2014-07-21 | SB93129-05-VOC | 0.900 ppb |
2014-07-21 | SB93129-06-VOC | 1.30 ppb |
2014-07-21 | SB93129-07-VOC | 1.20 ppb |
2014-10-14 | SB97999-04-VOC | ND |
2014-10-27 | SB98715-04-VOC | ND |
2014-10-27 | SB98715-05-VOC | 0.700 ppb |
2014-10-27 | SB98715-06-VOC | 0.700 ppb |
2014-10-27 | SB98715-07-VOC | 0.700 ppb |
2015-01-21 | SC02713-02-VOC | 1.80 ppb |
2015-01-21 | SC02713-04-VOC | 1.10 ppb |
2015-01-23 | SC02713-03-VOC | 0.700 ppb |
2015-01-23 | SC02713-01-VOC | 0.600 ppb |
2015-02-11 | SC03254-05-VOC | ND |
2015-04-21 | SC06241-11-VOC | 1.90 ppb |
2015-04-21 | SC06241-09-VOC | 0.900 ppb |
2015-04-21 | SC06241-10-VOC | 0.600 ppb |
2015-04-21 | SC06241-08-VOC | 0.600 ppb |
2015-04-21 | SC06241-06-VOC | ND |
2015-07-15 | SC10036-04-VOC | ND |
2015-07-27 | SC10482-06-VOC | 1.000 ppb |
2015-07-27 | SC10482-07-VOC | 1.000 ppb |
2015-07-27 | SC10482-05-VOC | 0.900 ppb |
2015-07-27 | SC10482-08-VOC | 1.000 ppb |
2015-09-08 | SC12125-03-VOC | ND |
2015-10-20 | SC13895-08-VOC | ND |
2015-10-26 | SC14122-04-VOC | 1.20 ppb |
2015-10-26 | SC14122-07-VOC | 1.000 ppb |
2015-10-26 | SC14122-06-VOC | 1.70 ppb |
2015-10-26 | SC14122-05-VOC | 0.500 ppb |
2016-01-25 | SC17491-04-VOC | 0.600 ppb |
2016-01-25 | SC17491-06-VOC | 1.20 ppb |
2016-01-25 | SC17491-07-VOC | ND |
2016-01-25 | SC17491-05-VOC | ND |
2016-01-25 | SC17491-09-VOC | ND |
2016-04-18 | SC20279-09-VOC | ND |
2016-04-25 | SC20556-04-VOC | 0.700 ppb |
2016-04-25 | SC20556-05-VOC | 2.00 ppb |
2016-04-25 | SC20556-06-VOC | 0.900 ppb |
2016-04-25 | SC20556-07-VOC | 1.40 ppb |
2016-04-25 | SC20556-08-VOC | ND |
2016-07-21 | SC23917-03-VOC | ND |
2016-07-21 | SC23917-02-VOC | ND |
2016-07-25 | SC24001-04-VOC | 0.800 ppb |
2016-07-25 | SC24001-05-VOC | 1.20 ppb |
2016-07-25 | SC24001-06-VOC | 1.000 ppb |
2016-07-25 | SC24001-07-VOC | 1.10 ppb |
2016-10-24 | SC27464-05-VOC | 1.60 ppb |
2016-10-24 | SC27464-06-VOC | 0.900 ppb |
2016-10-24 | SC27464-07-VOC | 1.50 ppb |
2016-10-24 | SC27464-04-VOC | 0.800 ppb |
2016-10-24 | SC27464-08-VOC | ND |
2017-01-09 | SC30330-15-VOC | ND |
2017-01-23 | SC30880-04-VOC | ND |
2017-01-23 | SC30880-05-VOC | 1.50 ppb |
2017-01-23 | SC30880-06-VOC | 0.500 ppb |
2017-01-23 | SC30880-07-VOC | 0.900 ppb |
2017-04-04 | BX98286VOC1 | ND |
2017-04-25 | BY09563TTHM | 1.20 ppb |
2017-04-25 | BY09564TTHM | ND |
2017-04-25 | BY09565TTHM | 1.40 ppb |
2017-04-25 | BY09566TTHM | 0.860 ppb |
2017-06-26 | BY48752VOC1 | ND |
2017-06-26 | BY48750VOC1 | ND |
2017-06-27 | BY48751VOC1 | ND |
2017-06-27 | BY48749VOC1 | ND |
2017-06-27 | BY48754VOC1 | ND |
2017-07-25 | BY72099TTHM | 1.80 ppb |
2017-07-25 | BY72100TTHM | ND |
2017-07-25 | BY72101TTHM | 1.80 ppb |
2017-07-25 | BY72102TTHM | 0.880 ppb |
2017-07-25 | BY72105VOC1 | ND |
2017-10-17 | BZ22379VOC1 | ND |
2017-10-23 | BZ26458TTHM | 1.90 ppb |
2017-10-23 | BZ26459TTHM | ND |
2017-10-23 | BZ26460TTHM | 3.10 ppb |
2017-10-23 | BZ26461TTHM | 0.800 ppb |
2018-01-03 | BZ68303VOC1 | ND |
2018-01-22 | BZ78627TTHM | 1.20 ppb |
2018-01-22 | BZ78628TTHM | ND |
2018-01-22 | BZ78629TTHM | 1.70 ppb |
2018-01-22 | BZ78630TTHM | 0.590 ppb |
2018-04-03 | CA12985VOC1 | ND |
2018-04-23 | CA35126TTHM | 1.10 ppb |
2018-04-23 | CA35127TTHM | ND |
2018-04-23 | CA35128TTHM | 1.40 ppb |
2018-04-23 | CA35129TTHM | ND |
2018-07-02 | CA82194 | ND |
2018-07-02 | CA82195 | ND |
2018-07-02 | CA82195VOC1 | ND |
2018-07-23 | CA96762 | 1.70 ppb |
2018-07-23 | CA96763 | 0.570 ppb |
2018-07-23 | CA96764 | 1.20 ppb |
2018-07-23 | CA96765 | 0.830 ppb |
2018-10-10 | CB69247 | ND |
2018-10-22 | CB80392 | 2.40 ppb |
2018-10-22 | CB80393 | 0.580 ppb |
2018-10-22 | CB80394 | 1.60 ppb |
2018-10-22 | CB80395 | 0.870 ppb |
2019-01-07 | CC25226 | ND |
2019-01-21 | CC32630 | 1.50 ppb |
2019-01-21 | CC32631 | 0.530 ppb |
2019-01-21 | CC32632 | 0.660 ppb |
2019-01-21 | CC32633 | ND |
2019-04-02 | CC79783 | ND |
2019-04-22 | CC99840 | ND |
2019-04-22 | CC99841 | 0.530 ppb |
2019-04-22 | CC99842 | 1.60 ppb |
2019-04-22 | CC99843 | 0.820 ppb |
2019-07-09 | CD52639 | ND |
2019-07-09 | CD52640 | ND |
2019-07-22 | CD63255 | ND |
2019-07-22 | CD63256 | ND |
2019-07-22 | CD63257 | 1.000 ppb |
2019-07-22 | CD63258 | 0.800 ppb |
2019-10-08 | CE28924 | ND |
2019-10-21 | CE45705 | 2.80 ppb |
2019-10-21 | CE45706 | 1.40 ppb |
2019-10-21 | CE45707 | 1.60 ppb |
2019-10-21 | CE45708 | 1.30 ppb |