Bromoform
Danbury Water Department
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 | ND | 37 | 0 | ND |
2015 | ND | 34 | 0 | ND |
2016 | ND | 34 | 0 | ND |
2017 | ND | 34 | 0 | ND |
2018 | ND | 34 | 0 | ND |
2019 | ND | 34 | 0 | ND |
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 |
---|---|---|
2014-02-18 | E402994-5VOC | ND |
2014-02-18 | E402994-6VOC | ND |
2014-03-11 | E403C94-2TTHM | ND |
2014-03-11 | E403C94-4TTHM | ND |
2014-03-11 | E403C94-7TTHM | ND |
2014-03-12 | E403C94-1TTHM | ND |
2014-03-13 | E403C94-6TTHM | ND |
2014-03-14 | E403C94-8TTHM | ND |
2014-03-17 | E403C94-3TTHM | ND |
2014-03-18 | E403C94-5TTHM | ND |
2014-06-10 | E406G56-4TTHM | ND |
2014-06-10 | E406G56-6TTHM | ND |
2014-06-11 | E406G56-1TTHM | ND |
2014-06-12 | E406G56-2TTHM | ND |
2014-06-12 | E406G56-7TTHM | ND |
2014-06-12 | E406G56-8TTHM | ND |
2014-06-13 | E406G56-5TTHM | ND |
2014-06-16 | E406G56-3TTHM | ND |
2014-09-10 | E409F66-1TTHM | ND |
2014-09-11 | E409F66-4TTHM | ND |
2014-09-11 | E409F66-6TTHM | ND |
2014-09-12 | E409F66-2TTHM | ND |
2014-09-12 | E409F66-8TTHM | ND |
2014-09-15 | E409F66-3TTHM | ND |
2014-09-23 | E409M19-1TTHM | ND |
2014-09-23 | E409M19-2TTHM | ND |
2014-09-23 | E409M19-3TTHM | ND |
2014-09-30 | E409T37-2TTHM | ND |
2014-09-30 | E410021-1TTHM | ND |
2014-12-12 | E412D88-1TTHM | ND |
2014-12-12 | E412D88-7TTHM | ND |
2014-12-12 | E412D88-8TTHM | ND |
2014-12-15 | E412D88-2TTHM | ND |
2014-12-15 | E412D88-3TTHM | ND |
2014-12-15 | E412D88-4TTHM | ND |
2014-12-15 | E412D88-6TTHM | ND |
2014-12-16 | E412D88-5TTHM | ND |
2015-03-12 | E503B60-5TTHM | ND |
2015-03-12 | E503B60-2TTHM | ND |
2015-03-13 | E503B60-1TTHM | ND |
2015-03-13 | E503B60-6TTHM | ND |
2015-03-13 | E503B60-4TTHM | ND |
2015-03-16 | E503B60-3TTHM | ND |
2015-03-25 | E503J77-1TTHM | ND |
2015-03-26 | E503J77-2TTHM | ND |
2015-04-21 | E504H71-2VOC | ND |
2015-04-21 | E504H71-1VOC | ND |
2015-06-11 | E506H99-5TTHM | ND |
2015-06-12 | E506H99-7TTHM | ND |
2015-06-12 | E506H99-8TTHM | ND |
2015-06-15 | E506H99-1TTHM | ND |
2015-06-15 | E506H99-2TTHM | ND |
2015-06-15 | E506H99-3TTHM | ND |
2015-06-15 | E506H99-4TTHM | ND |
2015-06-16 | E506H99-6TTHM | ND |
2015-09-18 | E509O88-8TTHM | ND |
2015-09-18 | E509O88-6TTHM | ND |
2015-09-21 | E509O88-1TTHM | ND |
2015-09-21 | E509O88-2TTHM | ND |
2015-09-21 | E509O88-3TTHM | ND |
2015-09-22 | E509O88-5TTHM | ND |
2015-09-29 | E509W38-2TTHM | ND |
2015-09-29 | E509W38-1TTHM | ND |
2015-12-17 | E512K74-2-17TTHM | ND |
2015-12-17 | E512K74-1-16TTHM | ND |
2015-12-17 | E512K74-5-19TTHM | ND |
2015-12-17 | E512K74-7-15TTHM | ND |
2015-12-17 | E512K74-4-18TTHM | ND |
2015-12-18 | E512K74-6-20TTHM | ND |
2015-12-18 | E512K74-8-04TTHM | ND |
2015-12-21 | E512K74-3-03TTHM | ND |
2016-03-09 | E603E03-4-18TTHM | ND |
2016-03-09 | E603E03-1-16TTHM | ND |
2016-03-10 | E603E03-2-17TTHM | ND |
2016-03-10 | E603E03-5-19TTHM | ND |
2016-03-10 | E603E03-6-20TTHM | ND |
2016-03-10 | E603E03-7-15TTHM | ND |
2016-03-11 | E603E03-8-04TTHM | ND |
2016-03-14 | E603E03-3-03TTHM | ND |
2016-04-19 | E604J01-5VOC | ND |
2016-04-19 | E604J01-6VOC | ND |
2016-06-16 | E606O13-1-16TTHM | ND |
2016-06-16 | E606O13-2-17TTHM | ND |
2016-06-16 | E606O13-4-18TTHM | ND |
2016-06-16 | E606O13-5-19TTHM | ND |
2016-06-16 | E606O13-6-20TTHM | ND |
2016-06-16 | E606O13-8-04TTHM | ND |
2016-06-20 | E606O13-7-15TTHM | ND |
2016-06-20 | E606O13-3-03TTHM | ND |
2016-09-08 | 188687CH | ND |
2016-09-09 | 188691CH | ND |
2016-09-13 | 188689CH | ND |
2016-09-13 | 188677CH | ND |
2016-09-13 | 188679CH | ND |
2016-09-13 | 188681CH | ND |
2016-09-13 | 188683CH | ND |
2016-09-14 | 188685CH | ND |
2016-12-12 | 192764CH | ND |
2016-12-13 | 192766CH | ND |
2016-12-13 | 192768CH | ND |
2016-12-13 | 192760CH | ND |
2016-12-13 | 192762CH | ND |
2016-12-13 | 192754CH | ND |
2016-12-13 | 192756CH | ND |
2016-12-14 | 192758CH | ND |
2017-02-15 | 194887GE | ND |
2017-02-15 | 194886GE | ND |
2017-03-09 | 196065GE | ND |
2017-03-09 | 196059GE | ND |
2017-03-09 | 196061GE | ND |
2017-03-13 | 196063GE | ND |
2017-03-14 | 196069GE | ND |
2017-03-15 | 196071GE | ND |
2017-03-15 | 196073GE | ND |
2017-03-15 | 196067GE | ND |
2017-06-13 | 200345GE | ND |
2017-06-13 | 200351GE | ND |
2017-06-14 | 200349GE | ND |
2017-06-14 | 200341GE | ND |
2017-06-14 | 200339GE | ND |
2017-06-15 | 200343GE | ND |
2017-06-15 | 200347GE | ND |
2017-06-15 | 200353GE | ND |
2017-09-12 | 204472GE | ND |
2017-09-12 | 204474GE | ND |
2017-09-12 | 204478GE | ND |
2017-09-12 | 204484GE | ND |
2017-09-12 | 204486GE | ND |
2017-09-13 | 204480GE | ND |
2017-09-13 | 204482GE | ND |
2017-09-13 | 204476GE | ND |
2017-12-11 | 208503GE | ND |
2017-12-11 | 208505GE | ND |
2017-12-12 | 208507GE | ND |
2017-12-12 | 208509GE | ND |
2017-12-12 | 208511GE | ND |
2017-12-12 | 208513GE | ND |
2017-12-12 | 208501GE | ND |
2017-12-12 | 208499GE | ND |
2018-02-21 | 210745GE | ND |
2018-02-21 | 210744GE | ND |
2018-03-14 | 211584GE | ND |
2018-03-14 | 211586GE | ND |
2018-03-14 | 211588GE | ND |
2018-03-14 | 211590GE | ND |
2018-03-14 | 211598GE | ND |
2018-03-15 | 211592GE | ND |
2018-03-15 | 211594GE | ND |
2018-03-15 | 211596GE | ND |
2018-06-19 | 215750GE | ND |
2018-06-19 | 215736GE | ND |
2018-06-19 | 215738GE | ND |
2018-06-19 | 215742GE | ND |
2018-06-19 | 215744GE | ND |
2018-06-20 | 215746GE | ND |
2018-06-20 | 215748GE | ND |
2018-06-20 | 215740GE | ND |
2018-09-14 | DBP 200505484 | ND |
2018-09-14 | DBP 200505486 | ND |
2018-09-14 | DBP 200505491 | ND |
2018-09-14 | DBP 200505493 | ND |
2018-09-14 | DBP 200505495 | ND |
2018-09-14 | DBP 200505497 | ND |
2018-09-14 | DBP 200505499 | ND |
2018-09-17 | DBP 200505658 | ND |
2018-12-14 | DBP 200516093 | ND |
2018-12-14 | DBP 200516094 | ND |
2018-12-14 | DBP 200516095 | ND |
2018-12-14 | DBP 200516096 | ND |
2018-12-14 | DBP 200516097 | ND |
2018-12-14 | DBP 200516098 | ND |
2018-12-14 | DBP 200516099 | ND |
2018-12-14 | DBP 200516100 | ND |
2019-03-14 | DBP 200524760 | ND |
2019-03-14 | DBP 200524761 | ND |
2019-03-14 | DBP 200524762 | ND |
2019-03-14 | DBP 200524763 | ND |
2019-03-14 | DBP 200524764 | ND |
2019-03-14 | DBP 200524765 | ND |
2019-03-14 | DBP 200524766 | ND |
2019-03-14 | DBP 200524767 | ND |
2019-06-20 | DBP 200537265 | ND |
2019-06-20 | DBP 200537266 | ND |
2019-06-20 | DBP 200537267 | ND |
2019-06-20 | DBP 200537268 | ND |
2019-06-20 | DBP 200537269 | ND |
2019-06-20 | DBP 200537270 | ND |
2019-06-20 | DBP 200537271 | ND |
2019-06-20 | DBP 200537272 | ND |
2019-08-15 | VOC1 200545121 | ND |
2019-08-15 | VOC1 200545122 | ND |
2019-09-19 | DBP 200549612 | ND |
2019-09-19 | DBP 200549613 | ND |
2019-09-19 | DBP 200549614 | ND |
2019-09-19 | DBP 200549615 | ND |
2019-09-19 | DBP 200549616 | ND |
2019-09-19 | DBP 200549617 | ND |
2019-09-19 | DBP 200549618 | ND |
2019-09-19 | DBP 200549619 | ND |
2019-12-19 | DBP 200560926 | ND |
2019-12-19 | DBP 200560927 | ND |
2019-12-19 | DBP 200560929 | ND |
2019-12-19 | DBP 200560930 | ND |
2019-12-19 | DBP 200560931 | ND |
2019-12-19 | DBP 200560932 | ND |
2019-12-19 | DBP 200560934 | ND |
2019-12-19 | DBP 200560935 | ND |