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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Town of Oak Island

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.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.375 ppb163ND - 2.00 ppb
20150.313 ppb162ND - 3.00 ppb
2016ND160ND
2017ND160ND
20180.688 ppb163ND - 5.00 ppb
20190.125 ppb161ND - 2.00 ppb

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
2014-03-1237729_14-07208ND
2014-03-1237729_14-072092.00 ppb
2014-03-1237729_14-07210ND
2014-03-1237729_14-072072.00 ppb
2014-06-1137729_14-16803ND
2014-06-1137729_14-16804ND
2014-06-1137729_14-16805ND
2014-06-1137729_14-16806ND
2014-09-1037729_14-27490ND
2014-09-1037729_14-274912.00 ppb
2014-09-1037729_14-27492ND
2014-09-1037729_14-27493ND
2014-12-1037729_14-37384ND
2014-12-1037729_14-37387ND
2014-12-1037729_14-37386ND
2014-12-1037729_14-37385ND
2015-03-11ND
2015-03-11ND
2015-03-113.00 ppb
2015-03-112.00 ppb
2015-06-17ND
2015-06-17ND
2015-06-17ND
2015-06-17ND
2015-09-16ND
2015-09-16ND
2015-09-16ND
2015-09-16ND
2015-12-09ND
2015-12-09ND
2015-12-09ND
2015-12-09ND
2016-03-1637729_16-08358ND
2016-03-1637729_16-08359ND
2016-03-1637729_16-08357ND
2016-03-1637729_16-08356ND
2016-06-1537729_16-19283ND
2016-06-1537729_16-19282ND
2016-06-1537729_16-19281ND
2016-06-1537729_16-19279ND
2016-09-1437729_16-31949ND
2016-09-1437729_16-31950ND
2016-09-1437729_16-31951ND
2016-09-1437729_16-31952ND
2016-12-1437729_16-43433ND
2016-12-1437729_16-43434ND
2016-12-1437729_16-43435ND
2016-12-1437729_16-43436ND
2017-03-0837729_17-07748ND
2017-03-0837729_17-07745ND
2017-03-0837729_17-07746ND
2017-03-0837729_17-07747ND
2017-06-1437729_17-20126ND
2017-06-1437729_17-20127ND
2017-06-1437729_17-20128ND
2017-06-1437729_17-20129ND
2017-09-1337729_17-33445ND
2017-09-1337729_17-33443ND
2017-09-1337729_17-33442ND
2017-09-1337729_17-33440ND
2017-12-1337729_17-47255ND
2017-12-1337729_17-47262ND
2017-12-1337729_17-47263ND
2017-12-1337729_17-47264ND
2018-01-2437729_18-02986 ND
2018-01-2437729_18-02985 ND
2018-01-2437729_18-02984 ND
2018-01-2437729_18-02978 ND
2018-06-1337729_18-23813 3.00 ppb
2018-06-1337729_18-23810 ND
2018-06-1337729_18-23811 5.00 ppb
2018-06-1337729_18-23812 3.00 ppb
2018-09-2637729_18-39767 ND
2018-09-2637729_18-39766 ND
2018-09-2637729_18-39765 ND
2018-09-2637729_18-39763 ND
2018-12-1237729_18-51797 ND
2018-12-1237729_18-51800 ND
2018-12-1237729_18-51801 ND
2018-12-1237729_18-51802 ND
2019-03-1337729_19-10461 ND
2019-03-1337729_19-10463 ND
2019-03-1337729_19-10464 ND
2019-03-1337729_19-10465 ND
2019-06-1237729_19-24140 ND
2019-06-1237729_19-24143 ND
2019-06-1237729_19-24142 ND
2019-06-1237729_19-24141 ND
2019-09-1837729_19-40518 ND
2019-09-1837729_19-40520 ND
2019-09-1837729_19-40519 ND
2019-09-1837729_19-40517 2.00 ppb
2019-12-1137729_19-52844 ND
2019-12-1137729_19-52843 ND
2019-12-1137729_19-52842 ND
2019-12-1137729_19-52841 ND