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CONTAMINANT

Monochloroacetic acid

STATES DETECTED

43

serves

163 million

utilities detected

10,191

states detected

0

serves

0

utilities detected

0

Overview

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.

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

National Standard Exists

Health Concerns:

  • Change to fetal growth and development

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Monochloroacetic acid from your water?

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Monochloroacetic acid around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
Texas1,81023,344,166
California42119,577,183
New York60916,201,542
Ohio4518,396,189
Pennsylvania3607,701,322
North Carolina4646,772,986
Georgia1846,636,971
Virginia3976,348,275
Florida1616,010,726
Illinois7145,912,252
Massachusetts2105,579,804
Washington1524,632,480
New Jersey1884,493,495
Tennessee2224,244,044
Colorado2673,498,274
Nevada222,808,897
Louisiana3482,694,992
Oklahoma3602,678,003
South Carolina1682,530,267
Missouri522,470,014
Connecticut1062,303,132
Arkansas3342,233,989
Iowa4882,181,792
Utah561,640,784
West Virginia3291,403,575
Wisconsin1981,347,579
Kansas4081,309,920
Minnesota581,274,260
New Mexico891,217,922
Nebraska421,061,694
Rhode Island32926,278
Indiana79719,654
District Of Columbia4667,325
North Dakota77481,037
Montana98412,878
Delaware39407,745
Wyoming74315,916
Idaho7256,307
Hawaii15114,042
Alaska6990,475
Maine1161,740
Vermont1423,248
Mississippi413,067

Utilities with the highest amounts of monochloroacetic acid, 2021-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Cricket Hill ApartmentsMathews, VA1 of 193.1 ppb88
Rainelle Water DepartmentRainelle, WV18 of 2054.6 ppb1,381
Cedar PointeRockville, VA1 of 149.4 ppb138
Glen Rogers PsdGlen Rogers, WV9 of 1044.8 ppb283
Raleigh County Psd Clear CreekSophia, WV11 of 1240.2 ppb1,407
Milburn SubdivisionRockville, VA1 of 137.6 ppb25
Daingerfield SubdivisionRockville, VA1 of 135.4 ppb43
Oceana Community OfOceana, WV22 of 2735.3 ppb3,796
Welch City Of*Welch, WV5 of 835.1 ppb2,907
Ravencliff Mcgraws Saulsville Psd*Glen Fork, WV22 of 2433.3 ppb3,186
Pax Water CompanyPax, WV11 of 1332.2 ppb762
Raleigh County Psd FitzpatrickSophia, WV4 of 430.4 ppb197
Bush Park Mobile Home ParkHartfield, VA1 of 127.6 ppb400
BushfieldRockville, VA1 of 127.4 ppb78
Elsinore SubdivisionRockville, VA1 of 126.6 ppb138
Millers SquareRockville, VA1 of 224.0 ppb60
Danese PsdDanese, WV6 of 623.9 ppb2,210
Raleigh County Psd Arnett*Sophia, WV24 of 2422.5 ppb6,663
Raleigh County Psd Pluto BraggSophia, WV11 of 1222.1 ppb383
Davy Municipal Water WorksDavy, WV4 of 421.9 ppb332
Gary City OfGary, WV3 of 321.5 ppb1,633
Raleigh County Psd OddSophia, WV11 of 1221.5 ppb575
Newtok Water SystemNewtok, AK1 of 121.0 ppb430
Raleigh County Psd Slab Fork*Sophia, WV10 of 1220.9 ppb550
Raleigh County Psd EgeriaSophia, WV11 of 1219.6 ppb200
Kountry KnollsAltamont, NY1 of 119.5 ppb80
Evans Mills Village*Evans Mills, NY16 of 2219.0 ppb1,124
Lester Municipal Water WorksLester, WV8 of 919.0 ppb750
Raleigh County Mem AirportSophia, WV22 of 2418.8 ppb4,587
Glenfield Water DistrictMartinsburg, NY7 of 917.9 ppb200
Leray Town Water District 3Watertown, NY10 of 1217.9 ppb480
Lane View SubdivisionRockville, VA1 of 117.8 ppb39
Withee Waterworks*Withee, WI1 of 117.6 ppb480
Kelly Road Water AssociationLynden, WA1 of 117.3 ppb45
Lakeland UniversityPlymouth, WI3 of 616.8 ppb800
Marybell HomesPittsfield, NY1 of 116.5 ppb355
Bay City WaterworksBay City, WI1 of 116.4 ppb499
Rupert WaterRupert, WV3 of 316.0 ppb1,170
CommonsMoretown, VT1 of 116.0 ppb79
Country Acres Golf ClubKalida, OH2 of 216.0 ppb140
Mount Hope WaterMt. Hope, WV3 of 315.9 ppb1,567
Neillsville WaterworksNeillsville, WI2 of 315.8 ppb2,761
Wagoner County Rural Water District #2Wagoner, OK4 of 415.7 ppb2,000
Cove ColonyRockville, VA1 of 115.6 ppb105
Pillow Borough AuthorityPillow, PA1 of 115.6 ppb312
City of AlbaAlba, TX2 of 315.3 ppb570
Joyceville-holly GroveRockville, VA1 of 115.2 ppb205
Rhodell Water WorksSophia, WV2 of 214.8 ppb238
Mcdowell County Psd BradshawWelch, WV2 of 314.8 ppb233
Nowlan Ridge Mobile Home CourtMahopac, NY1 of 114.1 ppb125

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Monochloroacetic acid, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Massena VillageMassena, NY24 of 486.67 ppb15,387
Girard City PWSGirard, OH47 of 485.44 ppb14,122
City of Scottsbluff*Scottsbluff, NE2 of 65.08 ppb14,282
Woodlawn Utility DistrictWoodlawn, TN4 of 45.05 ppb12,069
Youngstown City Public Water System*Youngstown, OH93 of 964.92 ppb148,000
La Crosse WaterworksLa Crosse, WI4 of 64.46 ppb53,000
Newton Water Supply*Newton, IA4 of 64.35 ppb16,518
West Springfield Dpw Water DivisionWest Springfield, MA161 of 1894.17 ppb28,391
Springfield Water and Sewer Commission*Springfield, MA161 of 1894.17 ppb230,331
City of Cocoa*Cocoa, FL2 of 24.10 ppb294,039
Ottumwa Water Works*Ottumwa, IA39 of 484.03 ppb25,529
City of Chesapeake - Western Branch SystemChesapeake, VA27 of 483.93 ppb32,326
Culkin Water DistrictVicksburg, MS3 of 43.85 ppb11,698
City of AndrewsAndrews, TX16 of 493.84 ppb14,109
Pennsylvania American Coatesville*Coatesville, PA33 of 483.78 ppb36,960
Roanoke Rapids Sanitary District*Roanoke Rapids, NC11 of 483.77 ppb16,615
Bangor Water District*Bangor, ME33 of 363.76 ppb26,868
Randolph Water Department*Randolph, MA39 of 483.75 ppb33,375
Holbrook Public Works DepartmentHolbrook, MA35 of 483.67 ppb10,791
Dartmouth Water DivisionDartmouth, MA39 of 473.59 ppb24,272
Onalaska WaterworksOnalaska, WI2 of 63.45 ppb18,000
Union CityUnion City, GA5 of 373.43 ppb18,636
Del-Co Water Company Inc.*Delaware, OH61 of 963.42 ppb150,000
Shelbyville Water SystemShelbyville, TN40 of 523.37 ppb34,772
El Dorado ID - Main*Placerville, CA58 of 843.31 ppb131,527
Blountville UDBlountville, TN39 of 523.30 ppb15,234
Greensburg Municipal Water Works*Greensburg, IN12 of 163.29 ppb12,650
Latham Water District*Latham, NY49 of 963.27 ppb86,530
City of Winchester*Winchester, VA46 of 483.18 ppb28,248
Aqua Ohio - Struthers*Struthers, OH60 of 723.17 ppb58,551
New Bedford Department of Public Infrastructure*New Bedford, MA79 of 813.17 ppb95,072
Southern Pines*Pinebluff, NC42 of 523.12 ppb25,382
Aqua Ohio - TiffinMarion, OH30 of 483.08 ppb20,035
Havelock Water System*Havelock, NC6 of 63.03 ppb14,550
TUD - Sonora/Jamestown Water System*Sonora, CA46 of 532.96 ppb10,814
Reynoldsburg City PWSReynoldsburg, OH48 of 482.96 ppb37,847
Eatonton Putnam Water & Sewer AuthorityEatonton, GA16 of 242.92 ppb11,479
City of Newport*Newport, RI24 of 482.91 ppb42,155
Dayton Water DepartmentDayton, TN29 of 542.91 ppb23,660
Amsterdam*Amsterdam, NY4 of 42.91 ppb22,132
Edison Water Company c/o NJ American WaterEdison, NJ40 of 482.89 ppb35,000
City of Pecos*Pecos, TX12 of 482.88 ppb12,480
New Brunswick Water Department*New Brunswick, NJ75 of 962.87 ppb55,000
Alliance City PWSAlliance, OH30 of 482.80 ppb22,232
Defiance City*Defiance, OH23 of 482.79 ppb16,494
Bristol Department Utilities*Bristol, TN34 of 522.75 ppb37,457
Bexley City PWSBexley, OH48 of 482.75 ppb14,250
New Orleans Algiers Water WorksNew Orleans, LA76 of 962.74 ppb52,785
Rockwood Water System*Rockwood, TN27 of 522.74 ppb10,721
Natchitoches Water System*Natchitoches, LA44 of 482.74 ppb29,334

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Monochloroacetic acid, but it likely has the contaminant in its water supply.

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