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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Ottumwa Water Works

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

73

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.914 ppb169ND - 2.66 ppb
20151.04 ppb1613ND - 2.11 ppb
20161.16 ppb1612ND - 1.98 ppb
20171.69 ppb16160.940 ppb - 2.54 ppb
20181.19 ppb168ND - 4.10 ppb
20190.591 ppb1615ND - 0.790 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
2014-01-2920311141.48 ppb
2014-01-2920311131.42 ppb
2014-01-2920311111.51 ppb
2014-01-2920311121.65 ppb
2014-04-2320471792.66 ppb
2014-04-2320471801.71 ppb
2014-04-2320471812.25 ppb
2014-04-2320471821.42 ppb
2014-07-162065525ND
2014-07-162065526ND
2014-07-162065527ND
2014-07-162065528ND
2014-10-272088173ND
2014-10-272088172ND
2014-10-2720881750.530 ppb
2014-10-272088174ND
2015-01-201A51096-011.74 ppb
2015-01-201A51096-02ND
2015-01-201A51096-031.60 ppb
2015-01-201A51096-041.61 ppb
2015-04-081D50660-011.02 ppb
2015-04-081D50660-021.18 ppb
2015-04-081D50660-030.900 ppb
2015-04-081D50660-041.04 ppb
2015-07-231G51927-021.27 ppb
2015-07-231G51927-041.12 ppb
2015-07-231G51927-030.850 ppb
2015-07-231G51927-010.900 ppb
2015-10-221J51859-022.11 ppb
2015-10-221J51859-031.37 ppb
2015-10-221J51859-04ND
2015-10-221J51859-01ND
2016-01-141A60995-01ND
2016-01-141A60995-02ND
2016-01-141A60995-03ND
2016-01-141A60995-04ND
2016-04-211D61812-031.21 ppb
2016-04-211D61812-041.18 ppb
2016-04-211D61812-021.000 ppb
2016-04-211D61812-010.710 ppb
2016-07-181G61354-011.98 ppb
2016-07-181G61354-021.80 ppb
2016-07-181G61354-031.90 ppb
2016-07-181G61354-041.78 ppb
2016-10-181J61451-011.59 ppb
2016-10-181J61451-021.95 ppb
2016-10-181J61451-031.62 ppb
2016-10-181J61451-041.80 ppb
2017-02-241B71754-041.17 ppb
2017-02-241B71754-011.11 ppb
2017-02-241B71754-021.19 ppb
2017-02-241B71754-031.24 ppb
2017-04-251D71873-011.05 ppb
2017-04-251D71873-020.990 ppb
2017-04-251D71873-031.05 ppb
2017-04-251D71873-040.940 ppb
2017-07-191G71489-042.16 ppb
2017-07-191G71489-032.23 ppb
2017-07-191G71489-022.23 ppb
2017-07-191G71489-012.40 ppb
2017-10-181J71554-012.16 ppb
2017-10-181J71554-022.38 ppb
2017-10-181J71554-032.25 ppb
2017-10-181J71554-042.54 ppb
2018-01-181A81273-041.33 ppb
2018-01-181A81273-031.33 ppb
2018-01-181A81273-021.31 ppb
2018-01-181A81273-011.46 ppb
2018-04-241D81916-043.07 ppb
2018-04-241D81916-013.99 ppb
2018-04-241D81916-024.10 ppb
2018-04-241D81916-032.38 ppb
2018-07-191G81701-04ND
2018-07-191G81701-03ND
2018-07-191G81701-02ND
2018-07-191G81701-01ND
2018-10-101J81112-01ND
2018-10-101J81112-02ND
2018-10-101J81112-03ND
2018-10-101J81112-04ND
2019-01-241A91857-010.570 ppb
2019-01-241A91857-020.740 ppb
2019-01-241A91857-03ND
2019-01-241A91857-040.630 ppb
2019-04-151D91360-010.550 ppb
2019-04-151D91360-040.700 ppb
2019-04-151D91360-030.550 ppb
2019-04-151D91360-020.382 ppb
2019-07-161G91420-020.680 ppb
2019-07-161G91420-040.374 ppb
2019-07-161G91420-030.640 ppb
2019-07-161G91420-010.690 ppb
2019-10-211J91918-040.790 ppb
2019-10-211J91918-030.690 ppb
2019-10-211J91918-020.740 ppb
2019-10-211J91918-010.730 ppb