Bromoform
City of Lakewood
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 | 2.34 ppb | 32 | 26 | ND - 9.53 ppb |
2015 | 0.0341 ppb | 32 | 2 | ND - 0.560 ppb |
2016 | 0.0534 ppb | 32 | 3 | ND - 0.590 ppb |
2017 | 0.0331 ppb | 32 | 2 | ND - 0.560 ppb |
2018 | 0.363 ppb | 32 | 14 | ND - 1.14 ppb |
2019 | 0.0229 ppb | 24 | 1 | ND - 0.550 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 |
---|---|---|
2014-02-11 | 1402209-001B | 3.29 ppb |
2014-02-11 | 1402209-002B | 9.53 ppb |
2014-02-11 | 1402209-003B | 8.10 ppb |
2014-02-11 | 1402209-004B | 8.71 ppb |
2014-02-11 | 1402209-005B | 8.44 ppb |
2014-02-11 | 1402209-006B | 7.40 ppb |
2014-02-11 | 1402209-007B | 8.91 ppb |
2014-02-11 | 1402209-008B | 7.45 ppb |
2014-05-12 | 1405251-001A | 0.330 ppb |
2014-05-12 | 1405251-002A | 0.320 ppb |
2014-05-12 | 1405251-003A | 0.320 ppb |
2014-05-12 | 1405251-004A | 0.250 ppb |
2014-05-12 | 1405251-005A | 0.220 ppb |
2014-05-12 | 1405251-006A | 0.280 ppb |
2014-05-12 | 1405251-007A | 0.300 ppb |
2014-05-12 | 1405251-008A | 0.270 ppb |
2014-07-23 | 1407508-001A | 0.820 ppb |
2014-07-23 | 1407508-002A | 0.840 ppb |
2014-07-23 | 1407508-003A | 0.920 ppb |
2014-07-23 | 1407508-004A | 0.800 ppb |
2014-07-23 | 1407508-005A | 0.860 ppb |
2014-07-23 | 1407508-006A | 0.850 ppb |
2014-07-23 | 1407508-007A | 0.820 ppb |
2014-07-23 | 1407508-008A | 0.800 ppb |
2014-11-11 | 1411180-001A | 2.19 ppb |
2014-11-11 | 1411180-002A | ND |
2014-11-11 | 1411180-003A | 1.75 ppb |
2014-11-11 | 1411180-004A | ND |
2014-11-11 | 1411180-005A | ND |
2014-11-11 | 1411180-006A | ND |
2014-11-11 | 1411180-007A | ND |
2014-11-11 | 1411180-008A | ND |
2015-02-09 | 1502206-001A | ND |
2015-02-09 | 1502206-002A | ND |
2015-02-09 | 1502206-003A | ND |
2015-02-09 | 1502206-004A | ND |
2015-02-09 | 1502206-005A | ND |
2015-02-09 | 1502206-006A | ND |
2015-02-09 | 1502206-007A | ND |
2015-02-09 | 1502206-008A | ND |
2015-05-08 | 15050888-001 | ND |
2015-05-08 | 15050888-002 | ND |
2015-05-08 | 15050888-003 | ND |
2015-05-08 | 15050888-004 | ND |
2015-05-08 | 15050888-005 | ND |
2015-05-08 | 15050888-006 | ND |
2015-05-08 | 15050888-007 | ND |
2015-05-08 | 15050888-008 | ND |
2015-08-11 | 15081078-001 | ND |
2015-08-11 | 15081078-002 | ND |
2015-08-11 | 15081078-003 | ND |
2015-08-11 | 15081078-004 | ND |
2015-08-11 | 15081078-005 | ND |
2015-08-11 | 15081078-006 | ND |
2015-08-11 | 15081078-007 | ND |
2015-08-11 | 15081078-008 | ND |
2015-11-09 | 15110554-001A | ND |
2015-11-09 | 15110554-002A | ND |
2015-11-09 | 15110554-003A | 0.530 ppb |
2015-11-09 | 15110554-004A | ND |
2015-11-09 | 15110554-005A | ND |
2015-11-09 | 15110554-006A | ND |
2015-11-09 | 15110554-007A | ND |
2015-11-09 | 15110554-008A | 0.560 ppb |
2016-02-08 | 16020478-002A | ND |
2016-02-08 | 16020478-003A | ND |
2016-02-08 | 16020478-005A | ND |
2016-02-08 | 16020478-006A | ND |
2016-02-08 | 16020478-008A | ND |
2016-02-10 | 16020674-001A | ND |
2016-02-24 | 16021539-001A | ND |
2016-02-24 | 16021539-002A | ND |
2016-05-09 | 1605071-001A | ND |
2016-05-09 | 1605071-002A | ND |
2016-05-09 | 1605071-003A | ND |
2016-05-09 | 1605071-004A | ND |
2016-05-09 | 1605071-005A | ND |
2016-05-09 | 1605071-006A | ND |
2016-05-09 | 1605071-007A | ND |
2016-05-09 | 1605071-008A | ND |
2016-08-10 | 1608107-002A | ND |
2016-08-10 | 1608107-004A | ND |
2016-08-10 | 1608107-006A | 0.540 ppb |
2016-08-10 | 1608107-008A | ND |
2016-08-10 | 1608107-010A | ND |
2016-08-10 | 1608107-012A | 0.590 ppb |
2016-08-10 | 1608107-014A | ND |
2016-08-10 | 1608107-016A | ND |
2016-11-08 | 1611085-001A | 0.580 ppb |
2016-11-08 | 1611085-002A | ND |
2016-11-08 | 1611085-003A | ND |
2016-11-08 | 1611085-004A | ND |
2016-11-08 | 1611085-005A | ND |
2016-11-08 | 1611085-006A | ND |
2016-11-08 | 1611085-007A | ND |
2016-11-08 | 1611085-008A | ND |
2017-02-08 | 1702070-001A | 0.500 ppb |
2017-02-08 | 1702070-002A | ND |
2017-02-08 | 1702070-003A | ND |
2017-02-08 | 1702070-004A | ND |
2017-02-08 | 1702070-005A | ND |
2017-02-08 | 1702070-006A | ND |
2017-02-08 | 1702070-007A | ND |
2017-02-08 | 1702070-008A | ND |
2017-05-08 | 1705074-001A | ND |
2017-05-08 | 1705074-002A | ND |
2017-05-08 | 1705074-003A | ND |
2017-05-08 | 1705074-004A | ND |
2017-05-08 | 1705074-005A | ND |
2017-05-08 | 1705074-006A | ND |
2017-05-08 | 1705074-007A | ND |
2017-05-08 | 1705074-008A | ND |
2017-08-08 | 1708075-001A | ND |
2017-08-08 | 1708075-002A | ND |
2017-08-08 | 1708075-003A | ND |
2017-08-08 | 1708075-004A | ND |
2017-08-08 | 1708075-005A | ND |
2017-08-08 | 1708075-006A | ND |
2017-08-08 | 1708075-007A | ND |
2017-08-08 | 1708075-008A | ND |
2017-11-08 | 1711070-001A | 0.560 ppb |
2017-11-08 | 1711070-002A | ND |
2017-11-08 | 1711070-003A | ND |
2017-11-08 | 1711070-004A | ND |
2017-11-08 | 1711070-005A | ND |
2017-11-08 | 1711070-006A | ND |
2017-11-08 | 1711070-007A | ND |
2017-11-08 | 1711070-008A | ND |
2018-02-12 | 1802105-001A | 0.600 ppb |
2018-02-12 | 1802105-002A | ND |
2018-02-12 | 1802105-003A | ND |
2018-02-12 | 1802105-004A | 0.520 ppb |
2018-02-12 | 1802105-005A | 0.520 ppb |
2018-02-12 | 1802105-006A | ND |
2018-02-12 | 1802105-007A | 0.510 ppb |
2018-02-12 | 1802105-008A | 0.500 ppb |
2018-05-08 | 1805091-001A | ND |
2018-05-08 | 1805091-002A | ND |
2018-05-08 | 1805091-003A | ND |
2018-05-08 | 1805091-004A | ND |
2018-05-08 | 1805091-005A | ND |
2018-05-08 | 1805091-006A | ND |
2018-05-08 | 1805091-007A | ND |
2018-05-08 | 1805091-008A | ND |
2018-08-09 | 1808100-001A | 1.14 ppb |
2018-08-09 | 1808100-002A | 1.06 ppb |
2018-08-09 | 1808100-003A | 0.990 ppb |
2018-08-09 | 1808100-004A | 1.06 ppb |
2018-08-09 | 1808100-005A | 1.03 ppb |
2018-08-09 | 1808100-006A | 1.05 ppb |
2018-08-09 | 1808100-007A | 1.05 ppb |
2018-08-09 | 1808100-008A | 1.04 ppb |
2018-11-09 | 1811096-001A | 0.550 ppb |
2018-11-09 | 1811096-002A | ND |
2018-11-09 | 1811096-003A | ND |
2018-11-09 | 1811096-004A | ND |
2018-11-09 | 1811096-005A | ND |
2018-11-09 | 1811096-006A | ND |
2018-11-09 | 1811096-007A | ND |
2018-11-09 | 1811096-008A | ND |
2019-02-08 | 1902068-001A | ND |
2019-02-08 | 1902068-002A | ND |
2019-02-08 | 1902068-003A | ND |
2019-02-08 | 1902068-004A | ND |
2019-02-08 | 1902068-005A | ND |
2019-02-08 | 1902068-006A | ND |
2019-02-08 | 1902068-007A | ND |
2019-02-08 | 1902068-008A | ND |
2019-05-08 | 1905073-001A | ND |
2019-05-08 | 1905073-002A | ND |
2019-05-08 | 1905073-003A | ND |
2019-05-08 | 1905073-004A | ND |
2019-05-08 | 1905073-005A | ND |
2019-05-08 | 1905073-006A | ND |
2019-05-08 | 1905073-007A | ND |
2019-05-08 | 1905073-008A | ND |
2019-08-09 | 1908117-001A | ND |
2019-08-09 | 1908117-002A | ND |
2019-08-09 | 1908117-003A | 0.550 ppb |
2019-08-09 | 1908117-004A | ND |
2019-08-09 | 1908117-005A | ND |
2019-08-09 | 1908117-006A | ND |
2019-08-09 | 1908117-007A | ND |
2019-08-09 | 1908117-008A | ND |