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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

8,388

utilities detected

77 million

people served

33

states over health guideline

818

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

Health Guideline 100 ppb

The 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
Texas4633,5682,14618,556,235
California1581,526,87760612,930,070
Massachusetts95835,5953437,972,858
New Jersey198,6893246,264,774
New York52147,5822284,198,218
Florida53,2827404,112,621
Washington9866,6234382,702,822
Louisiana71545,6333402,534,981
Illinois45220,9105762,192,217
Virginia2121,3282112,093,795
North Carolina419,1933611,902,768
Missouri43,1713821,681,421
Alabama314,400911,523,753
Arkansas003091,440,777
Kentucky31931091,133,391
Utah5113,21521729,230
Delaware164043699,985
Kansas3117,108258683,477
District Of Columbia003644,822
New Hampshire2936,903204562,040
Wisconsin23,99620344,075
Georgia1330,760146300,493
Maine1019,264130293,716
Vermont2710,315118267,878
Alaska0014261,934
Maryland18716244,283
Pennsylvania1412,59953236,155
Idaho4217,1126225,919
Nevada330329120,273
Tennessee001677,153
Mississippi38,5881861,033
New Mexico00545,042
Montana1650838,640
Oklahoma11,105922,416
Indiana00821,266
Ohio52,9451320,850
Michigan001020,068
West Virginia00719,893
Rhode Island00418,811
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
Tesi Lakeview EstatesBaton Rouge, LA1 of 11,900.0 ppb81
Whitlock FarmsSaugerties, NY1 of 11,800.0 ppb100
Wood Crest PinesPleasant Valley, NY1 of 11,680.0 ppb200
Little Brook Nursing HomCalifon, NJ2 of 21,615.0 ppb66
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, LA2 of 21,200.0 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, LA2 of 2940.0 ppb1,443
Cross Ridge EstatesMerrimack, NH1 of 1917.0 ppb73
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
Jardines Del ValleWatsonville, CA1 of 3800.0 ppb150
Remick AcresBedford, NH1 of 1796.0 ppb60
Sonoma County Csa 41-salmon CreekSanta Rosa, CA1 of 1780.0 ppb250
Geuda Springs, City ofGeuda Springs, KS1 of 1780.0 ppb183
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, LA2 of 21,200.0 ppb20,410
Elmira Water Board*Elmira, NY6 of 6694.5 ppb66,529
Garden CityGarden City, NY9 of 22672.8 ppb25,000
City of Lake Charles Water SystemLake Charles, LA32 of 32338.8 ppb80,000
Ipswich DPU Water DepartmentIpswich, MA14 of 14338.6 ppb12,723
Westford Water DepartmentWestford, MA14 of 17309.1 ppb16,463
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
Shrewsbury Water DepartmentShrewsbury, MA13 of 13223.8 ppb35,608
Hanson Water DepartmentHanson, MA4 of 4223.8 ppb10,206
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, LA8 of 8201.8 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
Milford Water Company*Milford, MA7 of 7177.4 ppb27,100
Foxboro Water Department*Foxborough, MA7 of 7174.1 ppb17,501
Swansea Water DistrictSwansea, MA14 of 14169.4 ppb17,358
Holyoke Water Works*Holyoke, MA15 of 15168.1 ppb39,880
Marshfield Water Department*Marshfield, MA8 of 8158.0 ppb34,000
New Iberia Water System (lAWCO)Baton Rouge, LA4 of 4155.0 ppb59,118
Webster Water DepartmentWebster, MA16 of 16154.0 ppb16,767

* 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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