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EWG's Tap Water Database — 2019 UPDATE

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Manganese

Status: No national drinking water standard exists

 

Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

2015-2017:

FOUND
FOUND ABOVE HEALTH GUIDELINES

49

states detected

15,144

utilities detected

114 million

people served

41

states over health guideline

1,562

utilities over health guideline

3.9 million

people served over health guideline

Health concerns for manganese

Harm to the brain and nervous system

Change in behavior

State and national drinking water standards and health guidelines

EWG Health Guideline 100 ppb

The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

States reporting manganese in drinking water

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served UtilitiesPeople Served
Texas79196,6753,54724,423,247
California251325,3101,00620,414,456
Florida53,2829639,601,738
New Jersey2045,2213497,269,257
Massachusetts109898,8644256,094,363
New York90323,2414626,051,522
Louisiana192926,2328313,852,889
Wisconsin43107,3115193,492,753
Missouri1423,9187973,080,967
Alabama1092,1322092,912,417
Illinois68258,2218482,802,732
Washington155127,1927842,775,828
North Carolina13654,6337892,756,054
Arkansas21,5395642,745,859
Virginia4515,4504462,537,394
Kentucky2931762,047,302
Nevada2278781,876,056
Kansas6544,7654821,487,593
Utah7118,894421,020,935
Georgia32116,080342970,029
Delaware4968104836,518
New Hampshire6851,565457759,085
District Of Columbia003648,882
Tennessee221,05840560,267
Ohio95,00042501,727
Maine2128,402241467,054
Pennsylvania2750,53384408,790
Mississippi1325,542118349,152
Vermont3011,412131291,708
Alaska355319280,968
Idaho12,3326234,836
Maryland18715199,383
Connecticut371117141,935
Montana61,89230103,815
New Mexico11982198,736
Minnesota1015,8101463,000
North Dakota172,7786349,683
Iowa1526,9811934,174
Oklahoma11,1051529,029
Rhode Island19,999828,856
Michigan001020,068
West Virginia11,062819,510
South Carolina00317,307
Indiana00616,781
South Dakota0019,075
Arizona0027,960
Colorado152554,516
Nebraska0013,977
Oregon001980
Wyoming001841
MORE
LESS

Filtering technologies that reduce manganese

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Utilities with the highest amounts of manganese, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Tuluksak Water SystemTuluksak, AK1 of 15,800.0 ppb373
Moore S ResortNapa, CA1 of 14,200.0 ppb330
Weatherwood SubdivisionRoanoke, VA2 of 23,115.0 ppb52
Palmetto Addiction RecoveryRayville, LA4 of 43,050.0 ppb45
Heavenly MeadowsPalmer, AK1 of 12,710.0 ppb60
KingstonKingston, IL3 of 32,673.0 ppb980
Nyack Village Water SupplyNyack, NY1 of 12,600.0 ppb14,700
Winco ParkWindham, NY8 of 82,177.5 ppb33
Halcyon Water SystemHalcyon, CA1 of 12,100.0 ppb105
Valley Hi Nursing HomeWoodstock, IL5 of 52,010.8 ppb125
Nicasio Valley Ranch MutualNicasio, CA2 of 21,900.0 ppb51
Fairview ColonyLamoure, ND1 of 11,890.0 ppb100
The Ranch Mobile Home ParkChapel Hill, NC1 of 11,720.0 ppb77
Laytonville County Water DistrictLaytonville, CA2 of 21,700.0 ppb1,301
Wood Crest PinesPleasant Valley, NY1 of 11,680.0 ppb200
Hannaford, City ofHannaford, ND1 of 11,670.0 ppb131
Lignite, City ofLignite, ND1 of 11,640.0 ppb155
Little Brook Nursing HomCalifon, NJ4 of 41,630.0 ppb36
Killington Center InnKillington, VT1 of 11,600.0 ppb75
Mineral Heights AssociationFriday Harbor, WA1 of 11,507.0 ppb42
Canton, City ofCanton, KS1 of 11,500.0 ppb749
Meyers Water CompanyNapa, CA4 of 41,500.0 ppb310
Sun Valley Mobile Home ParkGreen Lane, PA8 of 121,483.8 ppb90
Portage Des Sioux PWSPortage Des Sioux, MO1 of 11,480.0 ppb345
Shady Oaks Estates Water SystemBaton Rouge, LA4 of 41,445.0 ppb135
Cavendish Town Water SystemCavendish, VT30 of 421,389.1 ppb950
Pine Grove Trailer ParkEugene, CA9 of 101,386.0 ppb100
Breitung*Soudan, MN3 of 41,342.5 ppb485
TowerTower, MN3 of 41,342.5 ppb500
Vermillion, City ofVermillion, KS1 of 11,300.0 ppb110
Tranquillity Irrigation DistrictTranquility, CA2 of 21,265.0 ppb800
Sunset Farms Mobile Home ParkWappingers Falls, NY2 of 21,200.0 ppb103
Town of Ridgecrest Water SupplyRidgecrest, LA4 of 41,190.0 ppb683
Lofall Water System Inc.Poulsbo, WA2 of 21,157.0 ppb65
Wisner Water SystemWisner, LA4 of 41,150.0 ppb1,476
MiltonMilton, IL1 of 11,100.0 ppb270
Mobile Home EstatesSanta Rosa, CA2 of 21,100.0 ppb320
New Windsor Consolidated WD*New Windsor, NY1 of 11,100.0 ppb30,450
Country Western Mobile Home ParkModesto, CA13 of 131,072.3 ppb90
Skyland Hills Mobile Home ParkCanton, OH1 of 11,060.0 ppb258
Remick AcresBedford, NH7 of 91,046.2 ppb60
West Beach Road AssociationOak Harbor, WA2 of 21,045.0 ppb40
Fordland PWSFordland, MO2 of 31,024.5 ppb800
Marlborough Health Care Center Inc.Marlborough, CT2 of 21,011.0 ppb165
Chesters Mobile Home Estate Water SystemCarencro, LA2 of 21,000.0 ppb51
DallasDallas, GA1 of 21,000.0 ppb7,556
Streets Mobile Home ParkOld Town, ME1 of 11,000.0 ppb53
Park Royal Mutual Water CompanySanta Rosa, CA13 of 13996.9 ppb75
Calcasieu Parish Water Works District No. 5Lake Charles, LA4 of 4995.0 ppb5,100
Shamrock Mobile Home ParkSanta Rosa, CA1 of 1980.0 ppb188

* 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 Manganese, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Nyack Village Water SupplyNyack, NY1 of 12,600.0 ppb14,700
New Windsor Consolidated WD*New Windsor, NY1 of 11,100.0 ppb30,450
Elmira Water Board*Elmira, NY6 of 6694.5 ppb65,631
Sulphur Water SystemSulphur, LA14 of 14591.4 ppb20,632
City of Beaumont Water Utility Department*Beaumont, TX5 of 5518.5 ppb118,129
East Moline*East Moline, IL25 of 26494.4 ppb20,500
Fisherman's RetreatRedlands, CA1 of 1490.0 ppb30,000
Westford Water DepartmentWestford, MA30 of 38431.0 ppb17,873
Calcasieu Parish WW District No 1Lake Charles, LA10 of 10390.0 ppb20,837
Ipswich DPU Water DepartmentIpswich, MA37 of 41378.8 ppb13,390
Hudson Water Department*Hudson, NH3 of 3357.1 ppb16,100
City of Lake Charles Water SystemLake Charles, LA38 of 38354.2 ppb80,000
Clifton Park Water Authority*Clifton Park, NY3 of 9344.0 ppb39,710
Calcasieu Parish WW District 9 CarlyssSulphur, LA6 of 6333.3 ppb13,500
Auburn Water DistrictAuburn, MA27 of 54315.8 ppb11,763
Grafton Water District*Grafton, MA16 of 21304.3 ppb10,703
Shrewsbury Water DepartmentShrewsbury, MA38 of 38286.1 ppb35,608
Hudson Water SupplyHudson, MA15 of 29285.8 ppb18,954
Garden CityGarden City, NY28 of 58264.3 ppb46,000
Acton Water Supply DistrictActon, MA63 of 79261.8 ppb21,408
Norton Water DepartmentNorton, MA60 of 60254.0 ppb19,031
Kiryas Joel VillageMonroe, NY1 of 1237.0 ppb31,988
City of Jennings Water SystemJennings, LA6 of 6233.3 ppb10,365
Oconee County - Watkinsville*Watkinsville, GA7 of 8215.5 ppb21,897
Medway Water and Sewer DepartmentMedway, MA27 of 28213.9 ppb13,259
Webster Water DepartmentWebster, MA44 of 44212.4 ppb16,767
Anniston Water and Sewer Board*Anniston, AL3 of 6206.1 ppb56,700
Bedford County UD*Shelbyville, TN1 of 1204.0 ppb18,722
Bastrop Water SystemBastrop, LA8 of 8201.8 ppb17,058
Bellingham Dpw Water Sewer Div.*Bellingham, MA49 of 60201.5 ppb15,200
Florence Township Water DepartmentFlorence, NJ4 of 4195.8 ppb11,214
Canton*Canton, IL1 of 4190.0 ppb13,932
Dracut Water Supply District*Dracut, MA25 of 25188.7 ppb25,646
Swansea Water DistrictSwansea, MA33 of 34184.1 ppb17,358
Middleborough Water SupplyMiddleborough, MA71 of 73178.9 ppb16,257
Foxboro Water Department*Foxborough, MA20 of 26176.7 ppb17,339
City of Abbeville Water SystemAbbeville, LA6 of 6176.7 ppb15,012
Scituate Water DivisionScituate, MA73 of 86175.0 ppb19,018
Sudbury Water DistrictSudbury, MA60 of 122171.4 ppb18,410
Fairhaven Water Department*Fairhaven, MA4 of 4170.5 ppb15,792
Pico Rivera Water DepartmentPico Rivera, CA4 of 11168.2 ppb39,000
Westborough Water DepartmentWestborough, MA87 of 175167.4 ppb18,272
Somerset Water DepartmentSomerset, MA3 of 3165.4 ppb17,237
Columbia Water CompanyColumbia, PA19 of 19163.0 ppb21,500
Pennsville Twsp. Water Depart.Pennsville, NJ22 of 22160.4 ppb13,500
Eunice Water System (LAWCO)Baton Rouge, LA8 of 8160.0 ppb15,753
New Iberia Water System (lAWCO)Baton Rouge, LA18 of 18159.6 ppb59,769
Sanford Water DistrictSanford, ME53 of 58156.4 ppb14,025
Stoughton Water Department (MWRA)*Stoughton, MA70 of 102155.9 ppb24,970
City of BlytheBlythe, CA38 of 70153.1 ppb12,155

* 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 Manganese, but it likely has the contaminant in its water supply.