Monochloroacetic acid
Suez Water Delaware
Monochloroacetic 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.866 ppb | 32 | 7 | ND - 4.50 ppb |
2015 | 2.65 ppb | 31 | 16 | ND - 13.4 ppb |
2016 | 0.600 ppb | 24 | 5 | ND - 4.00 ppb |
2017 | 0.662 ppb | 29 | 6 | ND - 4.00 ppb |
2018 | 0.388 ppb | 32 | 4 | ND - 5.00 ppb |
2019 | ND | 16 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 53 ppb
The EWG Health Guideline of 53 ppb for monochloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against system toxicity.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-03-06 | 1074953001A | ND |
2014-03-06 | 1074953002A | ND |
2014-03-06 | 1074953003A | ND |
2014-03-06 | 1074953004A | ND |
2014-03-06 | 1074953005A | ND |
2014-03-06 | 1074953006A | ND |
2014-03-06 | 1074953007A | ND |
2014-03-06 | 1074953008A | ND |
2014-06-11 | 2013111001 HAA5 | ND |
2014-06-11 | 2013111002 HAA5 | ND |
2014-06-11 | 2013111003 HAA5 | 3.10 ppb |
2014-06-11 | 2013111004 HAA5 | ND |
2014-06-11 | 2013111005 HAA5 | ND |
2014-06-11 | 2013111006 HAA5 | ND |
2014-06-11 | 2013111007 HAA5 | ND |
2014-06-11 | 2013111008 HAA5 | 3.80 ppb |
2014-09-09 | 202898300-1HAA5 | ND |
2014-09-09 | 2028983002-HAA5 | 4.00 ppb |
2014-09-09 | 2028983003-HAA5 | 3.90 ppb |
2014-09-09 | 2028983004-HAA5 | ND |
2014-09-09 | 2028983005-HAA5 | 4.10 ppb |
2014-09-09 | 2028983006-HAA5 | 4.30 ppb |
2014-09-09 | 2028983007-HAA5 | ND |
2014-09-09 | 2028983008-HAA5 | 4.50 ppb |
2014-12-18 | 2045252001-HAA5 | ND |
2014-12-18 | 2046252002-HAA5 | ND |
2014-12-18 | 2046252003-HAA5 | ND |
2014-12-18 | 2046252004-HAA5 | ND |
2014-12-18 | 2046252005-HAA5 | ND |
2014-12-18 | 2046252006-HAA5 | ND |
2014-12-18 | 2046252007-HAA5 | ND |
2014-12-18 | 2046252008-HAA5 | ND |
2015-03-11 | 2059081001 HAA5 | 3.60 ppb |
2015-03-11 | 2059081002 HAA5 | ND |
2015-03-11 | 2059081003 HAA5 | ND |
2015-03-11 | 2059081004 HAA5 | ND |
2015-03-11 | 2059081005 HAA5 | 6.70 ppb |
2015-03-11 | 2059081006 HAA5 | 3.60 ppb |
2015-03-11 | 2059081007 HAA5 | 3.90 ppb |
2015-03-11 | 2059081008 HAA5 | 4.90 ppb |
2015-06-08 | 2075686001 HAA5 | 13.4 ppb |
2015-06-08 | 2075686002 HAA5 | 5.90 ppb |
2015-06-08 | 2075686003 HAA5 | 4.50 ppb |
2015-06-08 | 2075686004 HAA5 | 4.70 ppb |
2015-06-08 | 2075686005 HAA5 | 6.30 ppb |
2015-06-08 | 2075686006 HAA5 | 6.60 ppb |
2015-06-08 | 2075686007 HAAT | 4.40 ppb |
2015-06-08 | 2075686008 HAA5 | 7.10 ppb |
2015-09-03 | 203960002 HAA5 | 2.10 ppb |
2015-09-03 | 2093960003 HAA5 | ND |
2015-09-03 | 2093960004 HAA5 | ND |
2015-09-03 | 2093960005 HAA5 | ND |
2015-09-03 | 2093960006 HAA5 | 2.10 ppb |
2015-09-03 | 2093960007 HAA5 | ND |
2015-09-03 | 2093960008 HAA5 | ND |
2015-12-07 | L5949833-1 HAA5 | ND |
2015-12-07 | L5949833-2 HAA5 | ND |
2015-12-07 | L5949833-3 HAA5 | ND |
2015-12-07 | L5949833-4 HAA5 | ND |
2015-12-07 | L5949833-5 HAA5 | 2.26 ppb |
2015-12-07 | L5949833-6 HAA5 | ND |
2015-12-07 | L5949833-7 HAA5 | ND |
2015-12-07 | L5949833-8 HAA5 | ND |
2016-06-10 | 2151332001 HAA5 | 4.00 ppb |
2016-06-10 | 2151332002 HAA5 | 2.80 ppb |
2016-06-10 | 2151332003 HAA5 | 2.00 ppb |
2016-06-10 | 2151332004 HAA5 | ND |
2016-06-10 | 2151332005 HAA5 | 2.90 ppb |
2016-06-10 | 2151332006 HAA5 | 2.70 ppb |
2016-06-10 | 2151332007 HAA5 | ND |
2016-06-10 | 2151332008 HAA5 | ND |
2016-09-08 | 2173721001-HAA5 | ND |
2016-09-08 | 2173721002-HAA5 | ND |
2016-09-08 | 2173721003-HAA5 | ND |
2016-09-08 | 2173721004-HAA5 | ND |
2016-09-08 | 2173721005-HAA5 | ND |
2016-09-08 | 2173721006-HAA5 | ND |
2016-09-08 | 2173721007-HAA5 | ND |
2016-09-08 | 2173721008-HAA5 | ND |
2016-12-08 | 2194964001 HAA5 | ND |
2016-12-08 | 2194964002 HAA5 | ND |
2016-12-08 | 2194964003 HAA5 | ND |
2016-12-08 | 2194964004 HAA5 | ND |
2016-12-08 | 2194964005 HAA5 | ND |
2016-12-08 | 2194964006 HAA5 | ND |
2016-12-08 | 2194964007 HAA5 | ND |
2016-12-08 | 2194964008 HAA5 | ND |
2017-03-08 | 2214632001 HAA5 | ND |
2017-03-08 | 2214632002 HAA5 | ND |
2017-03-08 | 2214632003 HAA5 | ND |
2017-03-08 | 2214632004 HAA5 | ND |
2017-03-08 | 2214632005 HAA5 | ND |
2017-03-08 | 2214632006 HAA5 | ND |
2017-03-08 | 2214632007 HAA5 | ND |
2017-03-08 | 2214632008 HAA5 | ND |
2017-06-09 | 2239424001 HAA5 | 4.00 ppb |
2017-06-09 | 2239424002 HAA5 | ND |
2017-06-09 | 2239424003 HAA5 | ND |
2017-06-09 | 2239424004 HAA5 | ND |
2017-06-09 | 2239424005 HAA5 | 3.40 ppb |
2017-06-09 | 2239424006 HAA5 | ND |
2017-06-09 | 2239424007 HAA5 | ND |
2017-06-09 | 2239424008 HAA5 | ND |
2017-09-07 | 2260181001 HAA5 | 3.40 ppb |
2017-09-07 | 2260181002 HAA5 | 3.60 ppb |
2017-09-07 | 2260181003 HAA5 | 2.70 ppb |
2017-09-07 | 2260181004 HAA5 | ND |
2017-09-07 | 2260181005 HAA5 | ND |
2017-09-07 | 2260181006 HAA5 | ND |
2017-09-07 | 2260181007 HAA5 | ND |
2017-09-07 | 2260181008 HAA5 | ND |
2017-12-07 | 2282095001 HAA5 | ND |
2017-12-07 | 2282095002 HAA5 | ND |
2017-12-07 | 2282095003 HAA5 | 2.10 ppb |
2017-12-07 | 2282095004 HAA5 | ND |
2017-12-07 | 2282095005 HAA5 | ND |
2018-03-08 | 2300879001 HAA5 | ND |
2018-03-08 | 2300879002 HAA5 | ND |
2018-03-08 | 2300879003 HAA5 | ND |
2018-03-08 | 2300879004 HAA5 | ND |
2018-03-08 | 2300879005 HAA5 | ND |
2018-03-08 | 2300879006 HAA5 | ND |
2018-03-08 | 2300879007 HAA5 | ND |
2018-03-08 | 2300879008 HAA5 | ND |
2018-06-07 | 2319771001 HAA5 | 2.50 ppb |
2018-06-07 | 2319771002 HAA5 | 5.00 ppb |
2018-06-07 | 2319771003 HAA5 | ND |
2018-06-07 | 2319771004 HAA5 | 2.50 ppb |
2018-06-07 | 2319771005 HAA5 | 2.40 ppb |
2018-06-07 | 2319771006 HAA5 | ND |
2018-06-07 | 2319771007 HAA5 | ND |
2018-06-07 | 2319771008 HAA5 | ND |
2018-09-07 | 8092132-01 HAA5 | ND |
2018-09-07 | 8092132-02 HAA5 | ND |
2018-09-07 | 8092132-03 HAA5 | ND |
2018-09-07 | 8092132-04 HAA5 | ND |
2018-09-07 | 8092132-05 HAA5 | ND |
2018-09-07 | 8092132-06 HAA5 | ND |
2018-09-07 | 8092132-07 HAA5 | ND |
2018-09-07 | 8092132-08 HAA5 | ND |
2018-12-07 | 8122169-01 HAA5 | ND |
2018-12-07 | 8122169-02 HAA5 | ND |
2018-12-07 | 8122169-03 HAA5 | ND |
2018-12-07 | 8122169-04 HAA5 | ND |
2018-12-07 | 8122169-05 HAA5 | ND |
2018-12-07 | 8122169-06 HAA5 | ND |
2018-12-07 | 8122169-07 HAA5 | ND |
2018-12-07 | 8122169-08 HAA5 | ND |
2019-06-07 | 9062657-01 HAA5 | ND |
2019-06-07 | 9062657-02 HAA5 | ND |
2019-06-07 | 9062657-03 HAA5 | ND |
2019-06-07 | 9062657-04 HAA5 | ND |
2019-06-07 | 9062657-05 HAA5 | ND |
2019-06-07 | 9062657-06 HAA5 | ND |
2019-06-07 | 9062657-07 HAA5 | ND |
2019-06-07 | 9062657-08 HAA5 | ND |
2019-12-09 | 9122414-01 HAA5 | ND |
2019-12-09 | 9122414-02 HAA5 | ND |
2019-12-09 | 9122414-03 HAA5 | ND |
2019-12-09 | 9122414-04 HAA5 | ND |
2019-12-09 | 9122414-05 HAA5 | ND |
2019-12-09 | 9122414-06 HAA5 | ND |
2019-12-09 | 9122414-07 HAA5 | ND |
2019-12-09 | 9122414-08 HAA5 | ND |