Bromoform
Cromwell Fire District 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 | 0.752 ppb | 20 | 15 | ND - 1.50 ppb |
2015 | 0.631 ppb | 23 | 15 | ND - 1.70 ppb |
2016 | 0.647 ppb | 24 | 15 | ND - 1.80 ppb |
2017 | 0.529 ppb | 24 | 15 | ND - 1.70 ppb |
2018 | 0.477 ppb | 24 | 14 | ND - 1.20 ppb |
2019 | 0.458 ppb | 23 | 13 | ND - 1.50 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 |
---|---|---|
2014-01-14 | BF98732TTHM | 1.10 ppb |
2014-01-14 | BF98733TTHM | 1.000 ppb |
2014-01-14 | BF98734TTHM | 0.750 ppb |
2014-01-14 | BF98735TTHM | 0.660 ppb |
2014-02-25 | BG12770TTHM | 1.40 ppb |
2014-03-04 | BG15010VOC1 | ND |
2014-04-22 | BG35619TTHM | 1.20 ppb |
2014-04-22 | BG35620TTHM | 1.000 ppb |
2014-04-22 | BG35621TTHM | 0.650 ppb |
2014-04-22 | BG35622TTHM | 1.000 ppb |
2014-05-20 | BG46520VOC1 | ND |
2014-05-27 | BG48886TTHM | 1.40 ppb |
2014-07-22 | BG79664TTHM | 1.20 ppb |
2014-07-22 | BG79665TTHM | 0.790 ppb |
2014-07-22 | BG79666TTHM | 0.610 ppb |
2014-07-22 | BG79667TTHM | 0.770 ppb |
2014-09-02 | BH02695VOC1 | ND |
2014-11-24 | BH45136TTHM | 1.50 ppb |
2014-12-02 | BH47701VOC1 | ND |
2014-12-02 | BH47706VOC1 | ND |
2015-01-13 | BH62500TTHM | 1.30 ppb |
2015-01-13 | BH62503TTHM | 0.570 ppb |
2015-01-13 | BH62502TTHM | 0.850 ppb |
2015-01-13 | BH62501TTHM | 1.000 ppb |
2015-02-10 | BH71857VOC1 | ND |
2015-02-10 | BH71858VOC1 | ND |
2015-04-14 | BJ02142TTHM | ND |
2015-04-14 | BJ02139TTHM | 1.20 ppb |
2015-04-14 | BJ02141TTHM | 0.730 ppb |
2015-04-14 | BJ02140TTHM | 0.970 ppb |
2015-05-19 | BJ18383VOC1 | ND |
2015-05-19 | BJ18385VOC1 | ND |
2015-07-14 | BJ46024TTHM | 1.20 ppb |
2015-07-14 | BJ46027TTHM | ND |
2015-07-14 | BJ46025TTHM | 0.780 ppb |
2015-07-14 | BJ46026TTHM | 0.730 ppb |
2015-08-11 | BJ72577VOC1 | ND |
2015-08-11 | BJ72576VOC1 | ND |
2015-10-15 | BK08382TTHM | 0.670 ppb |
2015-10-15 | BK08380TTHM | 1.30 ppb |
2015-10-15 | BK08381TTHM | 1.000 ppb |
2015-10-15 | BK08379TTHM | 1.70 ppb |
2015-11-10 | BK20667VOC1 | 0.520 ppb |
2016-01-26 | BK57526TTHM | 1.60 ppb |
2016-01-26 | BK57527TTHM | 1.20 ppb |
2016-01-26 | BK57528TTHM | 1.000 ppb |
2016-01-26 | BK57529TTHM | 0.590 ppb |
2016-02-23 | BK68408VOC1 | ND |
2016-02-23 | BK68409VOC1 | ND |
2016-04-26 | BN19503TTHM | 1.80 ppb |
2016-04-26 | BN19504TTHM | 1.30 ppb |
2016-04-26 | BN19505TTHM | 1.20 ppb |
2016-04-26 | BN19506TTHM | 0.580 ppb |
2016-05-24 | BN39850VOC1 | ND |
2016-05-24 | BN39851VOC1 | ND |
2016-07-12 | BN71527TTHM | 1.20 ppb |
2016-07-12 | BN71528TTHM | 0.830 ppb |
2016-07-12 | BN71529TTHM | 0.800 ppb |
2016-07-12 | BN71530TTHM | ND |
2016-08-09 | BN89016VOC1 | ND |
2016-08-09 | BN89017VOC1 | ND |
2016-10-11 | BV45154TTHM | 0.580 ppb |
2016-10-11 | BV45155TTHM | 1.20 ppb |
2016-10-11 | BV45156TTHM | 0.860 ppb |
2016-10-11 | BV45157TTHM | 0.780 ppb |
2016-10-25 | BV64546VOC1 | ND |
2016-10-25 | BV64547VOC1 | ND |
2017-01-24 | BX37054TTHM | 0.840 ppb |
2017-01-24 | BX37055TTHM | 0.710 ppb |
2017-01-24 | BX37056TTHM | 0.650 ppb |
2017-01-24 | BX37057TTHM | 0.510 ppb |
2017-02-14 | BX60423VOC1 | ND |
2017-02-14 | BX60424VOC1 | ND |
2017-04-25 | BY09439TTHM | 1.000 ppb |
2017-04-25 | BY09440TTHM | 0.840 ppb |
2017-04-25 | BY09441TTHM | 0.760 ppb |
2017-04-25 | BY09442TTHM | 0.590 ppb |
2017-05-23 | BY27845VOC1 | ND |
2017-05-23 | BY27846VOC1 | ND |
2017-07-25 | BY71908TTHM | 1.10 ppb |
2017-07-25 | BY71909TTHM | 0.840 ppb |
2017-07-25 | BY71910TTHM | 0.820 ppb |
2017-07-25 | BY71911TTHM | ND |
2017-08-22 | BY88323VOC1 | ND |
2017-08-22 | BY88324VOC1 | ND |
2017-10-24 | BZ25923TTHM | 1.70 ppb |
2017-10-24 | BZ25924TTHM | 0.970 ppb |
2017-10-24 | BZ25925TTHM | 0.820 ppb |
2017-10-24 | BZ25926TTHM | 0.550 ppb |
2017-11-28 | BZ47192VOC1 | ND |
2017-11-28 | BZ47193VOC1 | ND |
2018-01-23 | BZ78967TTHM | 1.10 ppb |
2018-01-23 | BZ78968TTHM | 0.840 ppb |
2018-01-23 | BZ78969TTHM | 0.680 ppb |
2018-01-23 | BZ78970TTHM | 0.540 ppb |
2018-02-13 | BZ88138VOC1 | ND |
2018-02-13 | BZ88139VOC1 | ND |
2018-04-24 | CA34727TTHM | 0.990 ppb |
2018-04-24 | CA34728TTHM | 0.880 ppb |
2018-04-24 | CA34729TTHM | 0.780 ppb |
2018-04-24 | CA34730TTHM | 0.540 ppb |
2018-05-08 | CA42571VOC1 | ND |
2018-05-08 | CA42572VOC1 | ND |
2018-07-24 | CA96447 | 0.920 ppb |
2018-07-24 | CA96448 | 0.790 ppb |
2018-07-24 | CA96449 | 0.790 ppb |
2018-07-24 | CA96450 | ND |
2018-08-21 | CB15781 | ND |
2018-08-21 | CB15782 | ND |
2018-10-23 | CB79904 | 1.20 ppb |
2018-10-23 | CB79905 | 0.770 ppb |
2018-10-23 | CB79906 | 0.630 ppb |
2018-10-23 | CB79907 | ND |
2018-11-27 | CC03233 | ND |
2018-11-27 | CC03234 | ND |
2019-01-22 | CC32593 | 0.950 ppb |
2019-01-22 | CC32594 | 0.810 ppb |
2019-01-22 | CC32595 | 0.590 ppb |
2019-01-22 | CC32596 | ND |
2019-02-12 | CC50961 | ND |
2019-02-12 | CC50962 | ND |
2019-04-23 | CC99700 | 0.730 ppb |
2019-04-23 | CC99701 | 0.540 ppb |
2019-04-23 | CC99702 | 0.620 ppb |
2019-04-23 | CC99703 | ND |
2019-05-28 | CD21926 | ND |
2019-05-28 | CD21927 | ND |
2019-07-23 | CD62966 | 0.870 ppb |
2019-07-23 | CD62967 | 0.620 ppb |
2019-07-23 | CD62968 | 0.690 ppb |
2019-07-23 | CD62969 | ND |
2019-08-13 | CD83648 | ND |
2019-08-13 | CD83649 | ND |
2019-10-22 | CE45286 | 1.50 ppb |
2019-10-22 | CE45287 | 1.10 ppb |
2019-10-22 | CE45288 | 0.960 ppb |
2019-10-22 | CE45289 | 0.550 ppb |
2019-11-26 | CE68107 | ND |