Know Your Environment. Protect Your Health.

Bromodichloromethane

City of Tacoma

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

291

Samples

0

Samples exceeding legal limit (MCL)

275

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.13 ppb5655ND - 2.20 ppb
20191.47 ppb5148ND - 2.70 ppb
2020N/A00N/A
20211.54 ppb5954ND - 3.17 ppb
20221.32 ppb5652ND - 2.92 ppb
20231.56 ppb6966ND - 3.18 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-021.10 ppb
2018-01-021.10 ppb
2018-01-021.20 ppb
2018-01-021.10 ppb
2018-01-020.950 ppb
2018-01-020.980 ppb
2018-01-021.20 ppb
2018-01-021.000 ppb
2018-01-021.10 ppb
2018-01-021.10 ppb
2018-01-020.850 ppb
2018-01-030.890 ppb
2018-01-03ND
2018-01-030.550 ppb
2018-01-030.720 ppb
2018-04-021.10 ppb
2018-04-021.30 ppb
2018-04-021.40 ppb
2018-04-021.20 ppb
2018-04-021.10 ppb
2018-04-021.30 ppb
2018-04-021.20 ppb
2018-04-021.40 ppb
2018-04-021.10 ppb
2018-04-021.20 ppb
2018-04-020.840 ppb
2018-04-020.990 ppb
2018-04-030.830 ppb
2018-04-031.10 ppb
2018-07-020.860 ppb
2018-07-021.000 ppb
2018-07-021.000 ppb
2018-07-020.620 ppb
2018-07-020.600 ppb
2018-07-020.880 ppb
2018-07-020.970 ppb
2018-07-030.950 ppb
2018-07-031.10 ppb
2018-07-030.930 ppb
2018-07-031.000 ppb
2018-07-031.10 ppb
2018-07-031.000 ppb
2018-07-031.30 ppb
2018-07-030.950 ppb
2018-10-301.60 ppb
2018-10-301.70 ppb
2018-10-302.10 ppb
2018-10-301.40 ppb
2018-10-301.70 ppb
2018-10-311.30 ppb
2018-10-311.50 ppb
2018-10-312.20 ppb
2018-10-311.40 ppb
2018-10-311.40 ppb
2018-10-311.50 ppb
2018-10-311.30 ppb
2019-01-02ND
2019-01-141.20 ppb
2019-01-141.60 ppb
2019-01-141.30 ppb
2019-01-141.90 ppb
2019-01-141.30 ppb
2019-01-141.70 ppb
2019-01-141.30 ppb
2019-01-141.20 ppb
2019-01-141.20 ppb
2019-01-141.50 ppb
2019-01-141.10 ppb
2019-01-151.000 ppb
2019-04-011.30 ppb
2019-04-011.30 ppb
2019-04-011.40 ppb
2019-04-011.20 ppb
2019-04-011.10 ppb
2019-04-011.10 ppb
2019-04-011.50 ppb
2019-04-011.20 ppb
2019-04-011.10 ppb
2019-04-011.20 ppb
2019-04-011.20 ppb
2019-04-031.000 ppb
2019-07-081.30 ppb
2019-07-081.40 ppb
2019-07-081.50 ppb
2019-07-081.30 ppb
2019-07-081.20 ppb
2019-07-081.40 ppb
2019-07-081.60 ppb
2019-07-081.40 ppb
2019-07-081.50 ppb
2019-07-081.50 ppb
2019-07-081.40 ppb
2019-07-081.30 ppb
2019-07-24ND
2019-10-012.40 ppb
2019-10-012.40 ppb
2019-10-012.40 ppb
2019-10-012.00 ppb
2019-10-021.90 ppb
2019-10-022.20 ppb
2019-10-022.60 ppb
2019-10-022.20 ppb
2019-10-022.30 ppb
2019-10-022.70 ppb
2019-10-021.80 ppb
2019-10-022.20 ppb
2019-12-03ND
2021-01-0440612300.890 ppb
2021-01-0440612230.870 ppb
2021-01-0440612250.890 ppb
2021-01-0440612270.830 ppb
2021-01-0440612291.10 ppb
2021-01-0440612320.810 ppb
2021-01-0440612281.10 ppb
2021-01-0440612260.880 ppb
2021-01-0440612310.920 ppb
2021-01-0440612220.900 ppb
2021-01-0440612240.840 ppb
2021-01-0540612330.950 ppb
2021-04-0540993831.55 ppb
2021-04-0540993811.30 ppb
2021-04-0540993821.35 ppb
2021-04-0540993841.55 ppb
2021-04-0540993881.29 ppb
2021-04-0540993781.30 ppb
2021-04-0540993861.44 ppb
2021-04-0540993791.40 ppb
2021-04-0540993871.23 ppb
2021-04-0540993851.35 ppb
2021-04-0540993771.41 ppb
2021-04-0640993801.48 ppb
2021-06-214137307ND
2021-06-214137308ND
2021-06-214137309ND
2021-06-214233773ND
2021-06-304142811ND
2021-07-0641451601.88 ppb
2021-07-0641451621.81 ppb
2021-07-0641451591.34 ppb
2021-07-0641451631.81 ppb
2021-07-0641451662.04 ppb
2021-07-0641451652.20 ppb
2021-07-0641451642.53 ppb
2021-07-0641451682.09 ppb
2021-07-0641451582.39 ppb
2021-07-0741451761.70 ppb
2021-07-0741451701.93 ppb
2021-07-0741451612.04 ppb
2021-07-0741451721.93 ppb
2021-07-0741451751.33 ppb
2021-07-0741451731.30 ppb
2021-10-0441984522.80 ppb
2021-10-0441984372.26 ppb
2021-10-0441984562.77 ppb
2021-10-0441984422.36 ppb
2021-10-0441984602.23 ppb
2021-10-0441984662.23 ppb
2021-10-0441984632.32 ppb
2021-10-0441984573.17 ppb
2021-10-0441984552.58 ppb
2021-10-0441984362.41 ppb
2021-10-0541984751.58 ppb
2021-10-0541984692.27 ppb
2021-10-0541984782.08 ppb
2021-10-0541984721.45 ppb
2021-10-0541984472.61 ppb
2022-01-0342277941.16 ppb
2022-01-0342277901.08 ppb
2022-01-0342278041.40 ppb
2022-01-0342277971.07 ppb
2022-01-0342278081.08 ppb
2022-01-0342277871.21 ppb
2022-01-0342278120.900 ppb
2022-01-0342278061.16 ppb
2022-01-0342277881.05 ppb
2022-01-0342277991.40 ppb
2022-01-0442278151.01 ppb
2022-01-0442277911.13 ppb
2022-04-0442715651.19 ppb
2022-04-0442715421.30 ppb
2022-04-0442715491.24 ppb
2022-04-0442715541.55 ppb
2022-04-0442715521.34 ppb
2022-04-0442715461.43 ppb
2022-04-0442715431.34 ppb
2022-04-0442715641.28 ppb
2022-04-0442715411.40 ppb
2022-04-0442715571.53 ppb
2022-04-0442715681.23 ppb
2022-04-0442715611.37 ppb
2022-07-0543221551.000 ppb
2022-07-0543221571.24 ppb
2022-07-0543221580.900 ppb
2022-07-0543221501.21 ppb
2022-07-0543221561.20 ppb
2022-07-0543221590.950 ppb
2022-07-0543221521.07 ppb
2022-07-0543221511.13 ppb
2022-07-0643221750.790 ppb
2022-07-0643221600.880 ppb
2022-07-0643221531.17 ppb
2022-07-0643221541.05 ppb
2022-07-0643221611.02 ppb
2022-07-0643221760.950 ppb
2022-07-0643221740.610 ppb
2022-09-154368469ND
2022-09-234368470ND
2022-10-0343706212.46 ppb
2022-10-0343706122.76 ppb
2022-10-0343706141.86 ppb
2022-10-0343706201.83 ppb
2022-10-0343706222.08 ppb
2022-10-0343706132.29 ppb
2022-10-0343706182.55 ppb
2022-10-0343706172.40 ppb
2022-10-0343706192.92 ppb
2022-10-0343706162.04 ppb
2022-10-0443706232.03 ppb
2022-10-0443706152.59 ppb
2022-10-1143633640.840 ppb
2022-11-154428454ND
2022-11-164388597ND
2023-01-0343992151.21 ppb
2023-01-0343992081.27 ppb
2023-01-0343992122.18 ppb
2023-01-0343992171.24 ppb
2023-01-0343992103.16 ppb
2023-01-0344153181.78 ppb
2023-01-0343992111.17 ppb
2023-01-0344153332.18 ppb
2023-01-0344153341.17 ppb
2023-01-0344153201.24 ppb
2023-01-0344153231.29 ppb
2023-01-0343992161.29 ppb
2023-01-0343992091.78 ppb
2023-01-0344153353.16 ppb
2023-01-0344153291.43 ppb
2023-01-0343992141.30 ppb
2023-01-0343992131.43 ppb
2023-01-0344153261.21 ppb
2023-01-0344153191.27 ppb
2023-01-0344153281.30 ppb
2023-01-0443992051.12 ppb
2023-01-0443992041.50 ppb
2023-01-0443992060.750 ppb
2023-01-0443992031.29 ppb
2023-01-0443992070.680 ppb
2023-01-0444153371.29 ppb
2023-01-0444153361.50 ppb
2023-04-0544442481.31 ppb
2023-04-0544442411.57 ppb
2023-04-0544442391.72 ppb
2023-04-0544442431.42 ppb
2023-04-0544442451.44 ppb
2023-04-0544442491.45 ppb
2023-04-0544442471.63 ppb
2023-04-0544442441.42 ppb
2023-04-0544442421.42 ppb
2023-04-0544442461.51 ppb
2023-04-0544442401.67 ppb
2023-04-0644441281.17 ppb
2023-04-0644441441.05 ppb
2023-04-0644441400.770 ppb
2023-04-0644441340.680 ppb
2023-06-204542958ND
2023-07-1045059771.99 ppb
2023-07-1045059661.88 ppb
2023-07-1045059832.23 ppb
2023-07-1045059402.12 ppb
2023-07-1045059422.41 ppb
2023-07-1045059802.01 ppb
2023-07-1045059631.98 ppb
2023-07-1045059371.87 ppb
2023-07-1045059731.86 ppb
2023-07-1045059702.01 ppb
2023-07-1045059561.67 ppb
2023-07-1145059602.13 ppb
2023-07-124542959ND
2023-07-124542960ND
2023-10-0245563991.37 ppb
2023-10-0245563901.72 ppb
2023-10-0245564003.18 ppb
2023-10-0245563931.79 ppb
2023-10-0245563972.07 ppb
2023-10-0245563981.58 ppb
2023-10-0245563962.66 ppb
2023-10-0245563892.34 ppb
2023-10-0245563941.35 ppb
2023-10-0245563921.47 ppb
2023-10-0245563951.79 ppb
2023-10-0245563911.44 ppb