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EWG's Tap Water Database — 2019 UPDATE

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Dibromoacetic acid

Suburban Water Systems-covina Knolls

NOTE: Suburban Water Systems-covina Knolls purchases water from Covina Irrigating Company which is required to test for dibromoacetic acid. Sample information shown below was taken by Covina Irrigating Company.

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.

 

159

Samples

0

Samples exceeding legal limit (MCL)

48

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20124.98 ppb126ND - 18.0 ppb
20135.51 ppb84ND - 20.0 ppb
20142.23 ppb1210ND - 7.70 ppb
20151.21 ppb84ND - 2.60 ppb
20165.03 ppb883.00 ppb - 7.10 ppb
20172.08 ppb84ND - 6.50 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

NOTE: Suburban Water Systems-covina Knolls purchases water from Covina Irrigating Company which is required to test for dibromoacetic acid. Sample information shown below was taken by Covina Irrigating Company.

Date Lab ID Result
2012-04-269588-800-0900ND
2012-04-269588-801-0925ND
2012-04-269588-802-0945ND
2012-04-269588-803-1005ND
2012-04-269588-804-0910ND
2012-04-269588-805-0840ND
2012-04-269588-806-0850ND
2012-04-269588-807-0820ND
2012-07-259588-800-0950ND
2012-07-259588-801-1000ND
2012-07-259588-802-1015ND
2012-07-259588-803-1030ND
2012-07-259588-804-0940ND
2012-07-259588-805-0910ND
2012-07-259588-806-0920ND
2012-07-259588-807-0900ND
2012-10-249588-800-09404.70 ppb
2012-10-249588-801-100515.0 ppb
2012-10-249588-802-1020ND
2012-10-249588-803-1035ND
2012-10-249588-804-095017.0 ppb
2012-10-249588-805-092013.0 ppb
2012-10-249588-806-093016.0 ppb
2012-10-249588-807-090014.0 ppb
2013-01-259588-800-0905ND
2013-01-259588-801-0915ND
2013-01-259588-802-1015ND
2013-01-259588-803-0945ND
2013-03-049588-804-0930ND
2013-03-049588-805-0910ND
2013-03-049588-806-0920ND
2013-03-049588-807-0855ND
2013-04-259588-800-1440ND
2013-04-259588-801-1500ND
2013-04-259588-802-1515ND
2013-04-259588-803-1530ND
2013-04-259588-804-1450ND
2013-04-259588-805-1420ND
2013-04-259588-806-1430ND
2013-04-259588-807-1400ND
2013-07-259588-800-0925ND
2013-07-259588-801-0945ND
2013-07-259588-802-1000ND
2013-07-259588-803-1020ND
2013-07-259588-804-0935ND
2013-07-259588-805-0905ND
2013-07-259588-806-0920ND
2013-07-259588-807-0845ND
2013-10-249588-800-09406.20 ppb
2013-10-249588-801-100015.0 ppb
2013-10-249588-802-1010ND
2013-10-249588-803-1025ND
2013-10-249588-804-095015.0 ppb
2013-10-249588-805-093015.0 ppb
2013-10-249588-806-091514.0 ppb
2013-10-249588-807-090514.0 ppb
2014-04-259588-800-0950ND
2014-04-259588-801-1000ND
2014-04-259588-802-1015ND
2014-04-259588-803-1030ND
2014-04-259588-804-0930ND
2014-04-259588-805-0920ND
2014-04-259588-806-0940ND
2014-04-259588-807-09101.20 ppb
2014-05-239588-804-0800ND
2014-07-259588-800-1005ND
2014-07-259588-801-1025ND
2014-07-259588-802-1040ND
2014-07-259588-803-1055ND
2014-07-259588-804-1015ND
2014-07-259588-805-0945ND
2014-07-259588-806-0955ND
2014-07-259588-807-0915ND
2014-10-249588-800-09151.10 ppb
2014-10-249588-801-0935ND
2014-10-249588-802-1030ND
2014-10-249588-803-0955ND
2014-10-249588-804-0925ND
2014-10-249588-805-0855ND
2014-10-249588-806-0905ND
2014-10-249588-807-0830ND
2015-03-199588-804-1015ND
2015-04-249588-800-0920ND
2015-04-249588-801-0930ND
2015-04-249588-802-0945ND
2015-04-249588-803-0955ND
2015-05-189588-804-123010.00 ppb
2015-05-189588-806-121511.0 ppb
2015-05-189588-807-114012.0 ppb
2015-07-249588-800-0935ND
2015-07-249588-801-095513.0 ppb
2015-07-249588-802-1005ND
2015-07-249588-803-1015ND
2015-07-249588-804-0945ND
2015-07-249588-806-0925ND
2015-07-249588-807-0915ND
2015-10-239588-801-0935ND
2015-10-239588-804-0925ND
2015-10-239588-805-0900ND
2015-10-239588-806-0910ND
2015-10-239588-807-0840ND
2015-12-189588-800-07554.80 ppb
2015-12-189588-802-08107.00 ppb
2015-12-189588-803-0825ND
2016-01-259588-800-09506.00 ppb
2016-01-259588-801-10105.50 ppb
2016-01-259588-802-10255.80 ppb
2016-01-259588-804-10005.90 ppb
2016-01-259588-806-09406.00 ppb
2016-01-259588-807-09256.10 ppb
2016-04-259588-800-0935ND
2016-04-259588-801-09551.20 ppb
2016-04-259588-802-1005ND
2016-04-259588-804-0945ND
2016-04-259588-805-0920ND
2016-04-259588-806-0930ND
2016-04-259588-807-0900ND
2016-07-259588-800-09556.40 ppb
2016-07-259588-801-10156.00 ppb
2016-07-259588-802-10306.50 ppb
2016-07-259588-804-10056.20 ppb
2016-07-259588-805-09406.00 ppb
2016-07-259588-806-09505.90 ppb
2016-07-259588-807-09306.10 ppb
2016-10-259588-800-10002.10 ppb
2016-10-259588-801-10152.10 ppb
2016-10-259588-802-10302.10 ppb
2016-10-259588-804-10102.20 ppb
2016-10-259588-805-09452.10 ppb
2016-10-259588-806-09502.10 ppb
2016-10-259588-807-09352.10 ppb
2017-01-319588-800-1135ND
2017-01-319588-804-1145ND
2017-01-319588-805-1115ND
2017-01-319588-806-1125ND
2017-01-319588-807-1100ND
2017-02-039588-801-0820ND
2017-02-249588-802-0900ND
2017-04-259588-800-1220ND
2017-04-259588-801-1040ND
2017-04-259588-802-1050ND
2017-04-259588-804-1030ND
2017-04-259588-805-1000ND
2017-04-259588-806-1010ND
2017-04-259588-807-0940ND
2017-07-259588-800-1010ND
2017-07-259588-801-1040ND
2017-07-259588-802-1055ND
2017-07-259588-804-1025ND
2017-07-259588-806-1005ND
2017-07-259588-807-0955ND
2017-08-019588-805-0910ND
2017-10-259588-800-10102.30 ppb
2017-10-259588-801-10252.40 ppb
2017-10-259588-802-10352.30 ppb
2017-10-259588-804-10152.40 ppb
2017-10-259588-805-09552.30 ppb
2017-10-259588-806-10052.30 ppb
2017-10-259588-807-09302.20 ppb