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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

50

states detected

5,214

utilities detected

156 million

people served

7

states over health guideline

23

utilities over health guideline

307,000

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 lifetime health-based limit for effects other than cancer. This health guideline protects against an increased risk of gout.

ppb = parts per billion.

States reporting molybdenum in drinking water

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served UtilitiesPeople Served
California317,52749735,790,683
Texas0083319,572,099
Florida6134,80722212,197,230
Illinois48,19144510,870,523
Ohio316,2893638,528,582
New York001125,553,935
Arizona001445,457,746
Pennsylvania001235,377,774
Colorado001494,302,953
Indiana329,8991483,627,866
Missouri001363,463,817
Kentucky390,1901292,837,798
Minnesota00922,752,143
Virginia00442,617,278
Nevada00292,464,127
New Jersey00552,440,505
Louisiana00702,381,456
Utah00732,318,615
Oklahoma001962,121,379
Kansas001412,119,270
Michigan00892,003,790
Wisconsin00551,868,222
Alabama00811,771,023
Iowa002031,564,969
New Mexico00531,414,693
Washington00771,393,493
Nebraska00331,164,664
Georgia19,703531,090,516
South Carolina00601,086,704
North Carolina0092956,747
Idaho0020680,239
District Of Columbia004648,882
South Dakota00108466,550
North Dakota0035417,061
Montana0043368,795
West Virginia0035341,443
Oregon0023323,633
Massachusetts0015254,815
Connecticut0011253,926
Alaska009243,789
Tennessee0017225,815
Wyoming0039170,460
Delaware006154,606
Rhode Island008152,570
Hawaii006117,059
Maryland006110,167
Mississippi00785,971
Arkansas001360,554
Maine00131,440
Vermont00815,139
New Hampshire00312,360
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Utilities with the highest amounts of molybdenum, 2010-2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
, WI4 of 4113.2 ppb0
Lake Gibson EstatesLakeland, FL8 of 892.5 ppb1,897
City of California CityCalifornia City, CA24 of 2484.9 ppb14,212
Hillview Water Company-oakhurst/sierra Lakes*Oakhurst, CA12 of 1283.1 ppb2,805
Aqua Ohio - Timberbrook PwWesterville, OH1 of 170.0 ppb865
Sheridan Water WorksSheridan, IN4 of 462.3 ppb3,150
Grandwood Park SubdivisionLibertyville, IL11 of 1260.5 ppb5,639
Arden Shores Estates SubdivisionLibertyville, IL1 of 155.5 ppb66
Marion City Water Works*Marion, IN4 of 455.0 ppb26,713
Owensboro Municipal Utilities*Owensboro, KY6 of 654.6 ppb67,691
Aqua Ohio - Lake DarbyWesterville, OH1 of 149.0 ppb4,557
City of Punta GordaPunta Gorda, FL2 of 847.4 ppb29,561
CairoCairo, GA4 of 445.8 ppb9,703
Winter Garden Water Department*Winter Garden, FL12 of 1245.3 ppb69,738
RutlandRutland, IL1 of 143.4 ppb357
Wapakoneta CityWapakoneta, OH6 of 643.0 ppb10,867
HainesvilleHainesville, IL1 of 142.2 ppb2,129
Clermont East Water SystemClermont, FL8 of 842.1 ppb33,162
S E Daviess County Water District*Owensboro, KY8 of 841.1 ppb18,827
E Daviess County Water Assoc Inc*Knottsville, KY4 of 439.0 ppb11,997
Brookside Mobile Home ParkVergennes, VT1 of 137.0 ppb135
US Army Fort IrwinFort Irwin, CA8 of 835.9 ppb16,000
City of Mount DoraMount Dora, FL4 of 434.0 ppb29,996
Lindenhurst*Lindenhurst, IL12 of 1233.2 ppb14,632
Lompoc Water Utility DivisionLompoc, CA12 of 1233.0 ppb39,846
Oasis Mobile Home ParkDes Plaines, IL3 of 330.7 ppb1,797
St Marys CitySt. Marys, OH4 of 430.2 ppb10,001
Clarks Hill Water WorksClarks Hill, IN2 of 230.0 ppb660
SheldonSheldon, IL4 of 428.9 ppb1,232
Highland Lake SubdivisionLibertyville, IL2 of 228.9 ppb303

* 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.

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UtilityLocationTestsAverage levelPeople served
City of California CityCalifornia City, CA24 of 2484.9 ppb14,212
Marion City Water Works*Marion, IN4 of 455.0 ppb26,713
Owensboro Municipal Utilities*Owensboro, KY6 of 654.6 ppb67,691
City of Punta GordaPunta Gorda, FL2 of 847.4 ppb29,561
Winter Garden Water Department*Winter Garden, FL12 of 1245.3 ppb69,738
Wapakoneta CityWapakoneta, OH6 of 643.0 ppb10,867
Clermont East Water SystemClermont, FL8 of 842.1 ppb33,162
S E Daviess County Water District*Owensboro, KY8 of 841.1 ppb18,827
E Daviess County Water Assoc Inc*Knottsville, KY4 of 439.0 ppb11,997
US Army Fort IrwinFort Irwin, CA8 of 835.9 ppb16,000
City of Mount DoraMount Dora, FL4 of 434.0 ppb29,996
Lindenhurst*Lindenhurst, IL12 of 1233.2 ppb14,632
Lompoc Water Utility DivisionLompoc, CA12 of 1233.0 ppb39,846
St Marys CitySt. Marys, OH4 of 430.2 ppb10,001
Southwest Licking Community WaterEtna, OH4 of 428.3 ppb12,088
Groveland Water Department*Groveland, FL12 of 1227.6 ppb12,243
City of AuburndaleAuburndale, FL12 of 1225.9 ppb30,761
Southwest/Polk County UtilityLakeland, FL17 of 2025.1 ppb39,209
Huntington Water DepartmentHuntington, IN4 of 424.8 ppb17,300
LawrencevilleLawrenceville, GA8 of 1223.6 ppb24,000
City of GreenfieldGreenfield, CA6 of 623.3 ppb17,898
Richton ParkRichton Park, IL8 of 822.7 ppb12,901
Lake Utility Services Inc North*Clermont, FL23 of 2322.3 ppb21,518
Mission Springs WDDesert Hot Springs, CA22 of 2222.1 ppb34,626
Suburban Water Systems - La MiradaCovina, CA16 of 1622.1 ppb56,953
Paso Robles Water DepartmentPaso Robles, CA36 of 3721.5 ppb30,500
Windermere Community*Pflugerville, TX24 of 2420.0 ppb18,777
Nipomo Comm. Services DistrictNipomo, CA19 of 2019.7 ppb10,867
AntiochAntioch, IL17 of 1819.4 ppb13,724
Auburn Water DepartmentAuburn, IN8 of 818.8 ppb12,500

* 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.

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