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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:

FOUND
FOUND ABOVE HEALTH GUIDELINES

47

states detected

8,337

utilities detected

75 million

people served

33

states over health guideline

874

utilities over health guideline

4.2 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

Health Guideline 100 ppb

The health guideline of 100 ppb for manganese was defined by Minnesota as a risk assessment advisory level, a non-enforceable guideline. 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
Texas4633,5682,14118,553,463
California1581,526,87760912,984,741
Massachusetts99964,2473437,972,858
Florida53,2827394,032,704
New Jersey92,2791883,993,202
New York57149,4122603,625,376
Illinois106340,1626763,095,208
Washington9866,6234382,702,822
Virginia2121,3282132,381,658
Louisiana59455,2322872,227,587
North Carolina419,1933611,902,768
Missouri43,1713831,798,661
Alabama314,400911,523,753
Arkansas003091,440,777
Kentucky31931091,133,391
Kansas3458,207267730,895
Utah5113,21521729,230
Delaware164043699,985
District Of Columbia003644,822
New Hampshire2936,903204562,040
Georgia1330,760146300,493
Maine1019,264130293,716
Vermont2710,315118267,878
Alaska0014261,934
Maryland18716244,283
Pennsylvania1412,59953236,155
Idaho4217,1126225,919
Nevada330329120,273
Wisconsin23,9967100,150
Tennessee001677,153
Ohio1048,6582467,995
Mississippi38,5881861,033
New Mexico00545,042
Montana1650838,640
Oklahoma11,105922,416
Indiana00821,266
Michigan001020,068
Rhode Island00418,811
West Virginia00615,010
South Carolina00411,826
Arizona00310,320
South Dakota0019,075
Iowa13,93138,994
Colorado152555,130
Minnesota52,26964,800
Nebraska0013,977
Oregon001980
Wyoming001841
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Utilities with the highest amounts of manganese, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Moore S ResortNapa, CA1 of 14,200.0 ppb330
Nicasio Valley Ranch MutualNicasio, CA1 of 11,900.0 ppb51
Whitlock FarmsSaugerties, NY1 of 11,800.0 ppb100
Wood Crest PinesPleasant Valley, NY1 of 11,680.0 ppb200
Park Royal Mutual Water CompanySanta Rosa, CA4 of 41,515.0 ppb75
Cavendish Town Water SystemCavendish, VT6 of 101,514.2 ppb950
Pine Grove Trailer ParkEugene, CA4 of 41,500.0 ppb100
Sulphur Water SystemSulphur, LA1 of 11,200.0 ppb20,410
Lofall Water System Inc.Poulsbo, WA2 of 21,157.0 ppb65
Carver Municipal BuildingsCarver, MA2 of 21,125.0 ppb100
Williams Mobile Home ParkOxford, MD3 of 31,046.7 ppb87
Cathedral Woods Mutual WaterScotts Valley, CA3 of 3943.3 ppb48
South Bayou Macon WsGilbert, LA1 of 1940.0 ppb1,443
Cross Ridge EstatesMerrimack, NH1 of 1917.0 ppb73
Central Bridge Water DistrictSchoharie, NY6 of 8908.8 ppb593
Manana WoodsScotts Valley, CA19 of 19905.8 ppb350
Camelot IIIWindham, NH1 of 1847.0 ppb30
Hickory Hill EstatesBeacon, NY12 of 12835.4 ppb250
Town Of YountvilleYountville, CA1 of 1830.0 ppb2,933
City of Junction City*Junction City, KS1 of 1810.0 ppb24,665
Jardines Del ValleWatsonville, CA1 of 3800.0 ppb150
Remick AcresBedford, NH1 of 1796.0 ppb60
Geuda Springs, City ofGeuda Springs, KS1 of 1780.0 ppb183
Sonoma County Csa 41-salmon CreekSanta Rosa, CA1 of 1780.0 ppb250
Great Oak PropertiesValhalla, NY6 of 6733.5 ppb90
Huckleberry Mutual Water CompanyEmeryville, CA1 of 1730.0 ppb45
Farm Labor HousingChico, CA4 of 4729.8 ppb460
Scarborough GardensPortland, ME1 of 1720.0 ppb45
Waterford Water/sewer AssociationWaterford, OH2 of 2697.4 ppb770
Elmira Water Board*Elmira, NY6 of 6694.5 ppb66,529

* 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.

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UtilityLocationTestsAverage levelPeople served
Sulphur Water SystemSulphur, LA1 of 11,200.0 ppb20,410
City of Junction City*Junction City, KS1 of 1810.0 ppb24,665
Elmira Water Board*Elmira, NY6 of 6694.5 ppb66,529
Garden CityGarden City, NY9 of 22672.8 ppb25,000
E J Water Corp*Dieterich, IL6 of 7420.0 ppb12,896
City of Lake Charles Water SystemLake Charles, LA16 of 16338.8 ppb80,000
Ipswich DPU Water DepartmentIpswich, MA14 of 14338.6 ppb12,723
Franklin Water Department*Franklin, MA29 of 31336.7 ppb33,490
Shrewsbury Water DepartmentShrewsbury, MA26 of 26328.5 ppb35,608
Westford Water DepartmentWestford, MA14 of 17309.1 ppb16,463
Milford Water Company*Milford, MA14 of 14283.1 ppb27,100
Acton Water Supply DistrictActon, MA27 of 31270.8 ppb21,562
Sanford Water DistrictSanford, ME16 of 17270.5 ppb14,025
Dracut Water Supply District*Dracut, MA9 of 9244.0 ppb24,539
Norton Water Department*Norton, MA20 of 20241.9 ppb19,031
Bellingham Dpw Water Sewer Div.*Bellingham, MA23 of 24240.5 ppb14,835
Hudson Water SupplyHudson, MA7 of 11240.0 ppb18,557
Truckee-Donner PUD, MainTruckee, CA1 of 1230.0 ppb16,280
Hanson Water DepartmentHanson, MA4 of 4223.8 ppb10,206
Shawnee County RWD 4C*Topeka, KS2 of 2220.0 ppb12,000
City of Daly CityDaly City, CA1 of 3206.7 ppb102,593
Medway Water and Sewer DepartmentMedway, MA6 of 7204.4 ppb11,397
Bastrop Water SystemBastrop, LA4 of 4201.8 ppb19,686
RockfordRockford, IL11 of 11195.0 ppb155,000
Amherst DPW Water DivisionAmherst, MA4 of 4192.6 ppb37,819
Middleborough Water SupplyMiddleborough, MA27 of 28188.8 ppb16,160
Sudbury Water DistrictSudbury, MA33 of 67186.5 ppb18,317
Scituate Water DivisionScituate, MA29 of 36177.6 ppb19,186
Foxboro Water Department*Foxborough, MA7 of 7174.1 ppb17,501
Woburn Water DepartmentWoburn, MA16 of 16172.7 ppb38,120

* 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.

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