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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Great Falls

Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids 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

 

205

Samples

0

Samples exceeding legal limit (MCL)

143

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.389 ppb3229ND - 0.560 ppb
20150.367 ppb3229ND - 0.540 ppb
20160.431 ppb3229ND - 0.650 ppb
20170.183 ppb3217ND - 0.460 ppb
20180.0865 ppb348ND - 0.400 ppb
20190.278 ppb4331ND - 0.540 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for dibromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-18B14021350-003B0.360 ppb
2014-02-18B14021350-004BND
2014-02-19B14021350-001B0.440 ppb
2014-02-19B14021350-005B0.340 ppb
2014-02-19B14021350-008B0.430 ppb
2014-02-20B14021350-002B0.420 ppb
2014-02-20B14021350-006B0.420 ppb
2014-02-20B14021350-007B0.360 ppb
2014-05-08B14050856-001B0.400 ppb
2014-05-08B14050856-002B0.340 ppb
2014-05-08B14050856-003B0.450 ppb
2014-05-08B14050856-004B0.500 ppb
2014-05-27B14052535-001B0.300 ppb
2014-05-27B14052535-002B0.430 ppb
2014-05-28B14052535-004B0.350 ppb
2014-05-29B14052535-003B0.340 ppb
2014-08-12B14081497-007B0.370 ppb
2014-08-13B14081497-003B0.420 ppb
2014-08-13B14081497-004B0.310 ppb
2014-08-13B14081497-005B0.470 ppb
2014-08-14B14081497-001B0.480 ppb
2014-08-14B14081497-002B0.460 ppb
2014-08-14B14081497-006B0.420 ppb
2014-08-14B14081497-008B0.460 ppb
2014-11-24B14111959-001B0.540 ppb
2014-11-24B14111959-004B0.460 ppb
2014-11-24B14111959-005B0.540 ppb
2014-11-24B14111959-007BND
2014-11-24B14111959-008BND
2014-11-25B14111959-002B0.530 ppb
2014-11-25B14111959-003B0.560 ppb
2014-11-25B14111959-006B0.550 ppb
2015-02-12B15021136-001B0.270 ppb
2015-02-12B15021136-002BND
2015-02-12B15021136-003B0.280 ppb
2015-02-18B15021552-001B0.280 ppb
2015-02-18B15021552-002B0.290 ppb
2015-02-18B15021552-003B0.280 ppb
2015-02-18B15021552-005B0.320 ppb
2015-02-19B15021552-004B0.300 ppb
2015-05-20B15051785-001BND
2015-05-20B15051785-002B0.410 ppb
2015-05-20B15051785-003B0.340 ppb
2015-05-20B15051785-004B0.450 ppb
2015-05-20B15051785-005B0.360 ppb
2015-05-20B15051785-006B0.290 ppb
2015-05-20B15051785-007B0.430 ppb
2015-05-20B15051785-008B0.450 ppb
2015-08-18B15081763-001B0.510 ppb
2015-08-18B15081763-002B0.530 ppb
2015-08-18B15081763-003B0.470 ppb
2015-08-18B15081763-004B0.270 ppb
2015-08-18B15081763-005B0.480 ppb
2015-08-18B15081763-006B0.540 ppb
2015-08-18B15081763-007B0.520 ppb
2015-08-18B15081763-008B0.460 ppb
2015-11-19B15111686-001B0.540 ppb
2015-11-19B15111686-002B0.460 ppb
2015-11-19B15111686-003B0.470 ppb
2015-11-19B15111686-004BND
2015-11-19B15111686-005B0.490 ppb
2015-11-19B15111686-006B0.470 ppb
2015-11-19B15111686-007B0.480 ppb
2015-11-19B15111686-008B0.300 ppb
2016-02-11B16021106-001B0.330 ppb
2016-02-11B16021106-002B0.510 ppb
2016-02-11B16021106-003B0.450 ppb
2016-02-11B16021106-004B0.340 ppb
2016-02-11B16021106-005B0.420 ppb
2016-02-11B16021106-006B0.470 ppb
2016-02-11B16021106-007B0.460 ppb
2016-02-11B16021106-008B0.510 ppb
2016-05-11B16051040-001B0.380 ppb
2016-05-11B16051040-002B0.250 ppb
2016-05-11B16051040-003B0.390 ppb
2016-05-11B16051040-004B0.380 ppb
2016-05-11B16051040-005B0.310 ppb
2016-05-11B16051040-006B0.340 ppb
2016-05-11B16051040-007B0.360 ppb
2016-05-18B16051544-001B0.390 ppb
2016-08-18B16081963-001B0.490 ppb
2016-08-18B16081963-002B0.500 ppb
2016-08-18B16081963-003B0.630 ppb
2016-08-18B16081963-004BND
2016-08-18B16081963-005B0.520 ppb
2016-08-18B16081963-006B0.490 ppb
2016-08-18B16081963-007B0.520 ppb
2016-08-23B16082339-001B0.520 ppb
2016-11-17B16111589-001B0.650 ppb
2016-11-17B16111589-002B0.650 ppb
2016-11-17B16111589-003B0.640 ppb
2016-11-17B16111589-004BND
2016-11-17B16111589-005B0.630 ppb
2016-11-17B16111589-006B0.640 ppb
2016-11-17B16111589-007B0.620 ppb
2016-11-21B16111800-001BND
2017-02-14B17020956-001B0.340 ppb
2017-02-14B17020956-002B0.350 ppb
2017-02-14B17020956-003B0.340 ppb
2017-02-14B17020956-004B0.280 ppb
2017-02-14B17020956-005B0.340 ppb
2017-02-14B17020956-006B0.320 ppb
2017-02-14B17020956-007B0.320 ppb
2017-02-14B17020956-008B0.380 ppb
2017-05-17B17051728-001B0.350 ppb
2017-05-17B17051728-002B0.320 ppb
2017-05-17B17051728-003B0.360 ppb
2017-05-17B17051728-004B0.350 ppb
2017-05-17B17051728-005B0.320 ppb
2017-05-17B17051728-006B0.350 ppb
2017-05-17B17051728-007B0.370 ppb
2017-05-18B17051830-001B0.460 ppb
2017-08-16B17082053-001BND
2017-08-16B17082053-002BND
2017-08-16B17082053-003BND
2017-08-16B17082053-004B0.320 ppb
2017-08-16B17082053-005BND
2017-08-16B17082053-006BND
2017-08-17B17082053-007BND
2017-08-17B17082053-008BND
2017-11-16B17111476-001BND
2017-11-16B17111476-002BND
2017-11-16B17111476-003BND
2017-11-16B17111476-004BND
2017-11-16B17111476-005BND
2017-11-20B17111867-001BND
2017-11-20B17111867-002BND
2017-11-20B17111867-003BND
2018-02-13B18021264-001BND
2018-02-13B18021264-002BND
2018-02-13B18021264-003BND
2018-02-13B18021264-004BND
2018-02-13B18021264-005BND
2018-02-13B18021264-006BND
2018-02-15B18021264-007BND
2018-02-15B18021264-008BND
2018-05-18B18052149-002B0.380 ppb
2018-05-18B18052149-007B0.380 ppb
2018-05-18B18052149-008B0.370 ppb
2018-05-21B18052149-001B0.370 ppb
2018-05-21B18052149-003B0.300 ppb
2018-05-21B18052149-004B0.390 ppb
2018-05-21B18052149-005B0.400 ppb
2018-05-21B18052149-006B0.350 ppb
2018-08-15B18081851-001BND
2018-08-15B18081851-002BND
2018-08-15B18081851-003BND
2018-08-15B18081851-004BND
2018-08-15B18081851-006BND
2018-08-15B18081851-007BND
2018-08-15B18081851-008BND
2018-08-16B18081851-005BND
2018-11-01B18110214-001BND
2018-11-01B18110214-002BND
2018-11-19B18111832-001BND
2018-11-19B18111832-003BND
2018-11-19B18111832-004BND
2018-11-19B18111832-006BND
2018-11-19B18111832-008BND
2018-11-20B18111832-002BND
2018-11-20B18111832-005BND
2018-11-20B18111832-007BND
2019-01-30B19012302-001BND
2019-02-12B19021080-001B0.280 ppb
2019-02-12B19021080-002B0.290 ppb
2019-02-12B19021080-006B0.290 ppb
2019-02-12B19021080-007B0.320 ppb
2019-02-13B19021080-003B0.300 ppb
2019-02-13B19021080-004BND
2019-02-13B19021080-005B0.310 ppb
2019-02-13B19021080-008B0.280 ppb
2019-02-13B19021081-001B0.270 ppb
2019-03-25B19032203-001BND
2019-03-27B19032376-001BND
2019-03-28B19032376-002BND
2019-03-28B19032376-003BND
2019-03-28B19032376-004BND
2019-03-28B19032376-005BND
2019-03-28B19032376-006BND
2019-03-28B19032376-007BND
2019-03-28B19032376-008BND
2019-05-21B19052229-001B0.370 ppb
2019-05-21B19052229-004B0.490 ppb
2019-05-21B19052229-006B0.340 ppb
2019-05-21B19052229-008B0.390 ppb
2019-05-22B19052229-002B0.430 ppb
2019-05-22B19052229-003B0.260 ppb
2019-05-22B19052229-005B0.370 ppb
2019-05-22B19052229-007B0.330 ppb
2019-08-21B19082305-001B0.460 ppb
2019-08-21B19082305-004B0.440 ppb
2019-08-21B19082305-005B0.440 ppb
2019-08-21B19082305-006B0.460 ppb
2019-08-22B19082305-002BND
2019-08-22B19082305-003B0.420 ppb
2019-08-22B19082305-007B0.430 ppb
2019-08-22B19082305-008B0.420 ppb
2019-11-19B19112018-001B0.480 ppb
2019-11-19B19112018-002B0.540 ppb
2019-11-19B19112018-004B0.300 ppb
2019-11-19B19112018-006B0.480 ppb
2019-11-19B19112018-007B0.440 ppb
2019-11-19B19112018-008B0.390 ppb
2019-11-20B19112018-003B0.450 ppb
2019-11-20B19112018-005B0.490 ppb