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EWG's Tap Water Database — 2021 UPDATE

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Bromodichloromethane

Rio Rancho Water and Waterworks Services

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.

MORE ABOUT THIS CONTAMINANT

 

94

Samples

0

Samples exceeding legal limit (MCL)

66

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.378 ppb1613ND - 0.880 ppb
20150.380 ppb1613ND - 0.880 ppb
20160.277 ppb1612ND - 0.610 ppb
20170.292 ppb1612ND - 1.10 ppb
20180.220 ppb147ND - 0.680 ppb
20190.307 ppb169ND - 0.880 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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
2014-01-1620140015260.600 ppb
2014-01-1620140015250.450 ppb
2014-01-1620140015240.400 ppb
2014-01-1620140015270.870 ppb
2014-04-1520140122290.760 ppb
2014-04-1520140122270.210 ppb
2014-04-152014012228ND
2014-04-152014012230ND
2014-07-152014022639ND
2014-07-1520140226410.210 ppb
2014-07-1520140226420.220 ppb
2014-07-1520140226400.880 ppb
2014-10-1520140324410.690 ppb
2014-10-1520140324380.290 ppb
2014-10-1520140324390.260 ppb
2014-10-1520140324400.210 ppb
2015-01-2120150022410.880 ppb
2015-01-2120150022400.400 ppb
2015-01-2120150022380.350 ppb
2015-01-2120150022390.340 ppb
2015-05-062015013673ND
2015-05-0620150136720.230 ppb
2015-05-0620150136710.250 ppb
2015-05-0620150136740.830 ppb
2015-07-3020150218110.310 ppb
2015-07-3020150218120.290 ppb
2015-07-302015021813ND
2015-07-3020150218140.850 ppb
2015-10-1420150309430.670 ppb
2015-10-1420150309450.340 ppb
2015-10-1420150309420.340 ppb
2015-10-142015030944ND
2016-01-2120160018630.360 ppb
2016-01-2120160018610.190 ppb
2016-01-2120160018600.380 ppb
2016-01-2120160018620.600 ppb
2016-04-1320160104580.530 ppb
2016-04-132016010457ND
2016-04-132016010456ND
2016-04-132016010455ND
2016-07-1320160199880.500 ppb
2016-07-1320160199890.300 ppb
2016-07-1320160199900.270 ppb
2016-07-132016019991ND
2016-10-1320160297460.240 ppb
2016-10-1320160297480.200 ppb
2016-10-1320160297470.610 ppb
2016-10-1320160297450.250 ppb
2017-01-1220170010470.550 ppb
2017-01-1220170010460.480 ppb
2017-01-1220170010440.260 ppb
2017-01-1220170010450.200 ppb
2017-04-1220170108280.470 ppb
2017-04-1220170108290.280 ppb
2017-04-122017010827ND
2017-04-122017010826ND
2017-07-1320170202120.270 ppb
2017-07-132017020215ND
2017-07-132017020213ND
2017-07-1320170202140.200 ppb
2017-10-1120170293631.10 ppb
2017-10-1120170293620.480 ppb
2017-10-1120170293610.200 ppb
2017-10-1820170299900.180 ppb
2018-01-1120180011170.540 ppb
2018-01-1120180011160.270 ppb
2018-04-1120180102820.490 ppb
2018-04-1120180102810.230 ppb
2018-04-112018010280ND
2018-04-112018010279ND
2018-07-112018018857ND
2018-07-112018018856ND
2018-07-1120180188550.630 ppb
2018-07-242018020453ND
2018-10-1020180289700.240 ppb
2018-10-102018028969ND
2018-10-1020180289680.680 ppb
2018-10-102018028967ND
2019-01-0920190006270.600 ppb
2019-01-0920190006260.570 ppb
2019-01-092019000625ND
2019-01-0920190006240.310 ppb
2019-04-1720190096910.640 ppb
2019-04-172019009690ND
2019-04-172019009689ND
2019-04-1720190096880.530 ppb
2019-07-112019018939ND
2019-07-1120190189380.270 ppb
2019-07-112019018937ND
2019-07-1120190189360.730 ppb
2019-10-162019029636ND
2019-10-1620190296380.880 ppb
2019-10-1620190296370.380 ppb
2019-10-162019029639ND