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.

2013-2021:

FOUND

FOUND ABOVE HEALTH GUIDELINES

states detected

22,355

utilities detected

264 million

people served

states over health guideline

1,763

utilities over health guideline

5.0 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	Utilities	People Served		Utilities	People Served
California		259	218,948			1,424	36,964,784
Texas		79	33,716			3,763	26,274,500
New York		104	285,173			780	19,750,438
Florida		8	48,849			1,173	18,315,475
Pennsylvania		33	66,653			385	9,278,884
Georgia		39	163,476			578	8,533,970
New Jersey		16	33,303			423	8,518,411
North Carolina		139	53,469			1,116	8,447,337
Illinois		130	311,164			1,348	7,677,441
Ohio		10	55,624			320	7,144,737
Massachusetts		98	787,369			467	6,656,428
Virginia		45	45,864			608	6,644,121
Tennessee		0	0			212	6,075,286
Washington		189	81,027			1,183	5,730,079
Arizona		0	0			96	5,697,834
Colorado		1	31,000			194	5,394,126
Alabama		5	15,207			362	5,334,963
Missouri		17	23,511			998	5,004,999
Maryland		0	0			77	4,999,938
Louisiana		191	866,956			863	4,739,174
Michigan		11	260,544			190	4,613,213
Kentucky		2	125			284	3,952,269
Wisconsin		69	102,275			842	3,828,262
South Carolina		3	68,462			196	3,552,884
Indiana		8	212,806			176	3,443,502
Minnesota		8	123,791			170	3,160,304
Arkansas		6	2,063			605	2,761,661
Kansas		64	48,257			602	2,681,957
Utah		7	25,223			121	2,679,159
Oregon		1	37,505			89	2,638,016
Oklahoma		0	0			184	2,614,317
Connecticut		12	524,617			103	2,524,060
Nevada		4	1,076			112	2,416,021
Iowa		22	46,871			242	1,852,958
Mississippi		10	30,552			225	1,639,356
New Mexico		1	102,308			82	1,555,608
Hawaii		0	0			15	1,187,502
Nebraska		1	22,797			39	1,155,187
West Virginia		12	31,849			128	1,030,990
Rhode Island		3	32,996			44	1,015,631
Idaho		5	17,465			37	886,622
Delaware		4	418			124	879,167
New Hampshire		72	53,850			538	833,225
District Of Columbia		0	0			3	664,572
Maine		25	26,024			279	632,240
Alaska		6	39,874			39	502,917
South Dakota		1	13,646			113	489,174
Montana		5	1,242			85	424,336
North Dakota		20	6,710			112	364,128
Vermont		18	9,061			162	347,845
Wyoming		0	0			44	268,290

LESS

Filtering technologies that reduce manganese

Utilities with the highest amounts of manganese, 2013-2021

ALL UTILITIES

LARGE UTILITIES

Utility	Location	Tests	Average level	People served
Carmel Water District 2	Mahopac, NY	1 of 1	8,530.0 ppb	5,000
Quonnipaug Hills - Main System	Branford, CT	1 of 1	6,020.0 ppb	564
Tuluksak Water System	Tuluksak, AK	1 of 1	5,800.0 ppb	373
Rite of Passage/sierra Ridge	Minden, CA	1 of 1	4,900.0 ppb	150
Moore S Resort	Napa, CA	2 of 2	3,250.0 ppb	330
Weatherwood Subdivision	Roanoke, VA	4 of 4	2,972.5 ppb	52
Schaller Water Supply	Schaller, IA	2 of 2	2,750.0 ppb	787
Heavenly Meadows	Palmer, AK	1 of 1	2,710.0 ppb	60
Raboldshausen Estates	Carmel, NY	1 of 1	2,570.0 ppb	26
Pierre*	Pierre, SD	2 of 2	2,500.0 ppb	13,646
Hill City Water District	Benton, IL	8 of 8	2,376.1 ppb	432
Winco Park	Central Valley, NY	17 of 17	2,302.4 ppb	33
Vermillion, City of	Vermillion, KS	2 of 2	2,300.0 ppb	102
Clay Co. P S D - Ivydale	Clay, WV	1 of 1	2,260.0 ppb	680
Clay Co. Psd-hartland	Clay, WV	1 of 1	2,260.0 ppb	798
Clay Water Department*	Clay, WV	1 of 1	2,260.0 ppb	1,084
Clay Co. P S D-triplett Ridge	Clay, WV	1 of 1	2,260.0 ppb	103
Halcyon Water System	Halcyon, CA	2 of 2	2,100.0 ppb	105
Palmetto Addiction Recovery	Rayville, LA	12 of 12	2,013.3 ppb	45
Fairview Colony	Lamoure, ND	1 of 1	1,890.0 ppb	100
Nicasio Valley Ranch Mutual	Nicasio, CA	4 of 4	1,875.0 ppb	51
Green Acres Mobile Homes	Fall Creek, WI	1 of 1	1,830.0 ppb	48
Bistram Mobile Home Park	Grantsburg, WI	1 of 1	1,800.0 ppb	115
Wood Crest Pines	Pleasant Valley, NY	1 of 1	1,680.0 ppb	200
Hannaford, City of	Hannaford, ND	1 of 1	1,670.0 ppb	131
Lignite, City of	Lignite, ND	1 of 1	1,640.0 ppb	155
Hazel Hurst Water Company	Hazel Hurst, PA	2 of 2	1,640.0 ppb	140
Little Brook Nursing Hom	Califon, NJ	9 of 9	1,616.7 ppb	36
Shady Oaks Estates Water System	Baton Rouge, LA	8 of 8	1,587.5 ppb	135
Dustin Homestead	Rochester, NH	2 of 2	1,505.0 ppb	150
Bagley Water Supply	Bagley, IA	1 of 1	1,460.0 ppb	303
Woodbury Water District #6 (amdur Park)	Central Valley, NY	1 of 1	1,430.0 ppb	183
Meyers Water Company	Napa, CA	12 of 12	1,425.0 ppb	310
Pine Grove Trailer Park	Eugene, CA	14 of 16	1,371.3 ppb	100
Tower	Tower, MN	3 of 4	1,342.5 ppb	500
Breitung*	Tower, MN	3 of 4	1,342.5 ppb	446
Kingston	Kingston, IL	6 of 6	1,340.8 ppb	1,160
The Ranch Mobile Home Park	Chapel Hill, NC	4 of 4	1,316.3 ppb	25
Pitkin Water System	Pitkin, LA	8 of 8	1,291.5 ppb	750
Wishek, City of	Wishek, ND	1 of 1	1,250.0 ppb	952
Peconic View Mobile Home Park	Bayport, NY	1 of 1	1,240.0 ppb	40
Inn At Secretariat Estates	Rochester, NH	4 of 4	1,203.3 ppb	54
Sunset Farms Mobile Home Park	Wappingers Falls, NY	2 of 2	1,200.0 ppb	103
Town of Ridgecrest Water Supply	Ridgecrest, LA	8 of 8	1,087.5 ppb	855
Cavendish Town Water System	Cavendish, VT	42 of 65	1,082.0 ppb	950
Heritage Hill Estate	Womelsdorf, PA	7 of 16	1,074.6 ppb	90
Skyland Hills Mobile Home Park	Canton, OH	1 of 1	1,060.0 ppb	258
West Beach Road Association	Oak Harbor, WA	2 of 2	1,045.0 ppb	50
Marlborough Health Care Center Inc.	Marlborough, CT	2 of 2	1,011.0 ppb	165
Town of Vinton Water System	Vinton, LA	14 of 14	995.7 ppb	4,494

* 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.

Utility	Location	Tests	Average level	People served
Pierre*	Pierre, SD	2 of 2	2,500.0 ppb	13,646
Moundsville*	Moundsville, WV	5 of 5	792.2 ppb	11,999
Randolph Water Department*	Randolph, MA	4 of 4	703.1 ppb	33,375
Monticello	Monticello, MN	4 of 4	634.8 ppb	13,409
Howard Waterworks	Green Bay, WI	7 of 12	485.8 ppb	18,900
Valley Water Systems, Inc.	Plainville, CT	4 of 4	476.8 ppb	18,231
Sulphur Water System	Sulphur, LA	39 of 40	473.8 ppb	20,632
City of Columbus	Columbus, NE	6 of 6	467.0 ppb	22,797
Ft Wainwright - Main Post	Fairbanks, AK	8 of 8	428.5 ppb	15,868
Fisherman's Retreat	Redlands, CA	4 of 4	427.5 ppb	30,000
Chelmsford Water District	Chelmsford, MA	31 of 45	410.7 ppb	28,079
Bastrop Water System	Bastrop, LA	20 of 20	396.0 ppb	18,741
Westford Water Department	Westford, MA	71 of 87	376.0 ppb	18,000
Kiryas Joel Village	Monroe, NY	11 of 11	374.8 ppb	31,988
Nyack Village Water Supply	Nyack, NY	4 of 7	372.6 ppb	14,700
City of Cayce	Cayce, SC	4 of 4	352.6 ppb	19,269
Ipswich DPU Water Department	Ipswich, MA	61 of 65	348.1 ppb	13,127
Elmira Water Board*	Elmira, NY	11 of 15	345.4 ppb	65,631
Endicott Municipal Water Works	Endicott, NY	3 of 4	340.2 ppb	45,000
Oconee County - Watkinsville*	Watkinsville, GA	22 of 27	331.9 ppb	21,897
Calcasieu Parish WW District No 1	Lake Charles, LA	24 of 24	323.3 ppb	20,837
Grafton Water District*	Grafton, MA	35 of 47	318.9 ppb	10,703
City of Lake Charles Water System	Lake Charles, LA	110 of 111	313.4 ppb	85,000
St. Elmo-irvington Water Authority	St Elmo, AL	4 of 6	297.8 ppb	10,020
Auburn Water District	Auburn, MA	62 of 108	280.6 ppb	11,763
Calcasieu Parish WW District 9 Carlyss	Sulphur, LA	17 of 18	276.7 ppb	13,500
Norton Water Department	Norton, MA	152 of 152	272.6 ppb	19,031
Webster Water Department	Webster, MA	85 of 86	265.2 ppb	16,767
Lafayette Water Works*	Lafayette, IN	4 of 4	252.3 ppb	67,140
Hudson Water Department*	Hudson, NH	7 of 7	251.7 ppb	16,100
Acton Water Supply District	Acton, MA	149 of 176	249.8 ppb	20,890
Shrewsbury Water Department	Shrewsbury, MA	90 of 104	249.3 ppb	35,608
Troy	Troy, IL	7 of 8	246.6 ppb	16,800
East Moline*	East Moline, IL	54 of 55	242.3 ppb	20,500
Lino Lakes	Lino Lakes, MN	4 of 4	230.1 ppb	15,800
Hudson Water Supply	Hudson, MA	36 of 72	223.6 ppb	18,406
Purdue University Water Works	West Lafayette, IN	12 of 12	221.9 ppb	55,000
Sanford Water District	Sanford, ME	96 of 112	215.8 ppb	14,025
Edwardsville*	Edwardsville, IL	6 of 6	213.1 ppb	23,287
City of Jennings Water System	Jennings, LA	14 of 14	207.5 ppb	10,365
City of Keizer	Keizer, OR	30 of 30	206.5 ppb	37,505
Chaska	Chaska, MN	3 of 3	204.2 ppb	26,016
Bemidji	Bemidji, MN	2 of 2	203.0 ppb	15,462
Cohoes City*	Cohoes, NY	4 of 4	202.4 ppb	18,450
Ramsey	Ramsey, MN	6 of 6	202.3 ppb	14,252
Fairhaven Water Department*	Fairhaven, MA	10 of 10	195.2 ppb	15,792
Portage	Coldwater, MI	34 of 34	191.1 ppb	46,292
New Windsor Consolidated WD*	New Windsor, NY	2 of 7	187.4 ppb	30,450
Southington Water Department	Southington, CT	6 of 12	180.6 ppb	43,069
Bellingham Dpw Water Sewer Div.*	Bellingham, MA	93 of 112	179.4 ppb	15,390