Molybdenum

Status: No national drinking water standard exists

Molybdenum is a metal that occurs naturally in soil, minerals and water. People who ingest large amounts can have increased levels of uric acid and gout-like symptoms.

2010-2015:

FOUND

FOUND ABOVE HEALTH GUIDELINES

states detected

5,180

utilities detected

155 million

people served

states over health guideline

utilities over health guideline

304,000

people served over health guideline

Health concerns for molybdenum

Change in blood chemistry

Gout

State and national drinking water standards and health guidelines

Health Guideline 40 ppb

The health guideline of 40 ppb for molybdenum was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against metabolic changes and excess formation of uric acid in the blood.

ppb = parts per billion.

States reporting molybdenum in drinking water

	UTILITIES REPORTING ABOVE HEALTH GUIDELINES			UTILITIES WITH CONTAMINATION
State	Utilities	People Served		Utilities	People Served
California		3	17,527			469	34,619,189
Texas		0	0			833	19,572,099
Florida		6	134,807			221	12,117,313
Illinois		2	5,705			440	10,894,088
Ohio		3	16,289			363	8,528,582
New York		0	0			112	5,553,935
Arizona		0	0			144	5,457,746
Pennsylvania		0	0			123	5,377,774
Colorado		0	0			149	4,302,953
Indiana		3	29,899			148	3,627,866
Missouri		0	0			136	3,463,817
Kentucky		3	90,190			129	2,837,798
Minnesota		0	0			92	2,752,143
Virginia		0	0			44	2,617,278
Nevada		0	0			29	2,464,127
New Jersey		0	0			55	2,440,505
Louisiana		0	0			70	2,381,456
Utah		0	0			73	2,318,615
Oklahoma		0	0			196	2,121,379
Kansas		0	0			141	2,119,270
Michigan		0	0			89	2,003,790
Wisconsin		0	0			55	1,868,222
Alabama		0	0			81	1,771,023
Iowa		0	0			203	1,564,969
New Mexico		0	0			53	1,414,693
Washington		0	0			77	1,393,493
Nebraska		0	0			33	1,164,664
Georgia		1	9,703			53	1,090,516
South Carolina		0	0			60	1,086,704
North Carolina		0	0			92	956,747
Idaho		0	0			20	680,239
District Of Columbia		0	0			4	648,882
South Dakota		0	0			108	466,550
North Dakota		0	0			35	417,061
Montana		0	0			43	368,795
West Virginia		0	0			35	341,443
Oregon		0	0			23	323,633
Massachusetts		0	0			15	254,815
Connecticut		0	0			11	253,926
Alaska		0	0			9	243,789
Tennessee		0	0			17	225,815
Wyoming		0	0			39	170,460
Delaware		0	0			6	154,606
Rhode Island		0	0			8	152,570
Hawaii		0	0			6	117,059
Maryland		0	0			6	110,167
Mississippi		0	0			7	85,971
Arkansas		0	0			13	60,554
Maine		0	0			1	31,440
Vermont		0	0			8	15,139
New Hampshire		0	0			3	12,360

LESS

Utilities with the highest amounts of molybdenum, 2010-2015

ALL UTILITIES

LARGE UTILITIES

Utility	Location	Tests	Average level	People served
	, WI	4 of 4	113.2 ppb	0
Lake Gibson Estates	Lakeland, FL	8 of 8	92.5 ppb	1,897
City of California City	California City, CA	24 of 24	84.9 ppb	14,212
Hillview Water Company-oakhurst/sierra Lakes*	Oakhurst, CA	12 of 12	83.1 ppb	2,805
Aqua Ohio - Timberbrook Pw	Westerville, OH	1 of 1	70.0 ppb	865
Sheridan Water Works	Sheridan, IN	4 of 4	62.3 ppb	3,150
Grandwood Park Subdivision	Libertyville, IL	5 of 5	59.9 ppb	5,639
Arden Shores Estates Subdivision	Libertyville, IL	1 of 1	55.5 ppb	66
Marion City Water Works*	Marion, IN	4 of 4	55.0 ppb	26,713
Owensboro Municipal Utilities*	Owensboro, KY	6 of 6	54.6 ppb	67,691
Aqua Ohio - Lake Darby	Westerville, OH	1 of 1	49.0 ppb	4,557
City of Punta Gorda	Punta Gorda, FL	2 of 8	47.4 ppb	29,561
Cairo	Cairo, GA	4 of 4	45.8 ppb	9,703
Winter Garden Water Department*	Winter Garden, FL	12 of 12	45.3 ppb	69,738
Wapakoneta City	Wapakoneta, OH	6 of 6	43.0 ppb	10,867
Clermont East Water System	Clermont, FL	8 of 8	42.1 ppb	33,162
S E Daviess County Water District*	Owensboro, KY	8 of 8	41.1 ppb	18,827
E Daviess County Water Assoc Inc*	Knottsville, KY	4 of 4	39.0 ppb	11,997
Brookside Mobile Home Park	Vergennes, VT	1 of 1	37.0 ppb	135
US Army Fort Irwin	Fort Irwin, CA	8 of 8	35.9 ppb	16,000
City of Mount Dora	Mount Dora, FL	4 of 4	34.0 ppb	29,996
Lindenhurst*	Lindenhurst, IL	12 of 12	33.2 ppb	14,632
Lompoc Water Utility Division	Lompoc, CA	12 of 12	33.0 ppb	39,846
St Marys City	St. Marys, OH	4 of 4	30.2 ppb	10,001
Clarks Hill Water Works	Clarks Hill, IN	2 of 2	30.0 ppb	660
Highland Lake Subdivision	Libertyville, IL	2 of 2	28.9 ppb	303
Asarco Hayden Operations*	Hayden, AZ	8 of 8	28.5 ppb	1,800
Southwest Licking Community Water	Etna, OH	4 of 4	28.3 ppb	12,088
	, IN	11 of 12	28.1 ppb	0
Buckingham	Monee, IL	2 of 2	28.0 ppb	300

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

LESS

Utility	Location	Tests	Average level	People served
City of California City	California City, CA	24 of 24	84.9 ppb	14,212
Marion City Water Works*	Marion, IN	4 of 4	55.0 ppb	26,713
Owensboro Municipal Utilities*	Owensboro, KY	6 of 6	54.6 ppb	67,691
City of Punta Gorda	Punta Gorda, FL	2 of 8	47.4 ppb	29,561
Winter Garden Water Department*	Winter Garden, FL	12 of 12	45.3 ppb	69,738
Wapakoneta City	Wapakoneta, OH	6 of 6	43.0 ppb	10,867
Clermont East Water System	Clermont, FL	8 of 8	42.1 ppb	33,162
S E Daviess County Water District*	Owensboro, KY	8 of 8	41.1 ppb	18,827
E Daviess County Water Assoc Inc*	Knottsville, KY	4 of 4	39.0 ppb	11,997
US Army Fort Irwin	Fort Irwin, CA	8 of 8	35.9 ppb	16,000
City of Mount Dora	Mount Dora, FL	4 of 4	34.0 ppb	29,996
Lindenhurst*	Lindenhurst, IL	12 of 12	33.2 ppb	14,632
Lompoc Water Utility Division	Lompoc, CA	12 of 12	33.0 ppb	39,846
St Marys City	St. Marys, OH	4 of 4	30.2 ppb	10,001
Southwest Licking Community Water	Etna, OH	4 of 4	28.3 ppb	12,088
Groveland Water Department*	Groveland, FL	12 of 12	27.6 ppb	12,243
City of Auburndale	Auburndale, FL	12 of 12	25.9 ppb	30,761
Southwest/Polk County Utility	Lakeland, FL	17 of 20	25.1 ppb	39,209
Huntington Water Department	Huntington, IN	4 of 4	24.8 ppb	17,300
Lawrenceville	Lawrenceville, GA	8 of 12	23.6 ppb	24,000
City of Greenfield	Greenfield, CA	6 of 6	23.3 ppb	17,898
Richton Park	Richton Park, IL	8 of 8	22.7 ppb	12,901
Lake Utility Services Inc North*	Clermont, FL	23 of 23	22.3 ppb	21,518
Mission Springs WD	Desert Hot Springs, CA	22 of 22	22.1 ppb	34,626
Suburban Water Systems - La Mirada	Covina, CA	16 of 16	22.1 ppb	56,953
Paso Robles Water Department	Paso Robles, CA	36 of 37	21.5 ppb	30,500
Windermere Community*	Pflugerville, TX	24 of 24	20.0 ppb	18,777
Nipomo Comm. Services District	Nipomo, CA	19 of 20	19.7 ppb	10,867
Auburn Water Department	Auburn, IN	8 of 8	18.8 ppb	12,500
Antioch	Antioch, IL	16 of 16	18.5 ppb	13,724

LESS