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On This Page 303(d) Listed Waters for 2010

Data are also available for these cycles:
2002 2004 2006 2008

Waterbody Changes from Prior Cycle

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Utah Water Quality Assessment Report

Assessed Waters of Utah by Watershed

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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Utah (2010)

Description of this table
 
    7,001.2 316,554.0
       12.7 86.0
   
                
                
                
                
    3,618.5 152,323.0
           906.1     23,692.0
                
           108.3     
           2,604.1     128,631.0
              140.5     2,583.0
                    2,463.6           126,048.0
10,619.6 468,877.0
85,916.0 481,638.0
12.4 97.4

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2010


Site-specific Targeted Monitoring Results

Utah Rivers and Streams 2010

Description of this table

All
Rivers and Streams

85,916.0 Miles of Rivers and Streams

Assessed 10,619.6
Unassessed 75,296.4
Total Miles 85,916.0







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Description of this table

Assessed
Rivers and Streams

10,619.6 Miles of
Assessed Rivers and Streams

Good 7,001.2
Threatened .0
Impaired 3,618.5
Total Miles Assessed 10,619.6







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Description of this table

Threatened and Impaired
Rivers and Streams

3,618.5 Miles of
Threatened and Impaired
Rivers and Streams

1,046.5
.0
108.3
2,463.6
Total Threatened and Impaired 3,618.5

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Utah Rivers and Streams 2010

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Agricultural 10,067.4 89.6 .0 10.4 color.gifcolor.gif
Cold Water Aquatic Life 7,768.5 74.8 .0 25.2 color.gifcolor.gif
Domestic Water Supply 4,164.3 95.4 .0 4.6 color.gifcolor.gif
Non-Game Fish And Other Aquatic Life 1,112.2 73.3 .0 26.7 color.gifcolor.gif
Secondary Recreation 413.3 48.5 .0 51.5 color.gifcolor.gif
Warm Water Aquatic Life 1,684.0 58.9 .0 41.1 color.gifcolor.gif
Wildlife Habitat 460.8 72.4 .0 27.6 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Utah Rivers and Streams 2010

Description of this table
Benthic Macroinvertebrates Bioassessments Cause Unknown - Impaired Biota color.gif 1,277.2
Phosphorus, Total Nutrients color.gif 925.2
Temperature, Water Temperature color.gif 852.4
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 797.0
Physical Substrate Habitat Alterations Habitat Alterations color.gif 654.7
Sedimentation/Siltation Sediment color.gif 596.4
Selenium Metals (other than Mercury) color.gif 298.1
Boron Toxic Inorganics color.gif 234.3
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 174.2
Arsenic Metals (other than Mercury) color.gif 123.3
Escherichia Coli (E. Coli) Pathogens color.gif 110.5
Other Flow Regime Alterations Flow Alteration(s) color.gif 96.7
pH pH/Acidity/Caustic Conditions color.gif 87.8
Aquatic Plants - Native Nuisance Native Species color.gif 57.6
Zinc Metals (other than Mercury) color.gif 42.9
Cadmium Metals (other than Mercury) color.gif 26.1
Radium Radiation color.gif 21.8
Fecal Coliform Pathogens color.gif 14.7
Direct Habitat Alterations Habitat Alterations color.gif 11.4
Ammonia, Un-ionized Ammonia color.gif 7.4
Low Flow Alterations Flow Alteration(s) color.gif 3.1

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Site-specific Targeted Monitoring Results

Probable Sources
Utah Rivers and Streams 2010

Description of this table
Source Unknown Unknown color.gif 2,049.9
Agriculture Agriculture color.gif 1,600.9
Natural Sources Natural/Wildlife color.gif 1,094.7
Minor Industrial Point Sources Industrial color.gif 862.2
Habitat Modification - Other Than Hydromodification Habitat Alterations (Not Directly Related To Hydromodification) color.gif 711.2
Irrigated Crop Production Agriculture color.gif 179.9
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 149.2
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 143.1
Major Industrial Point Sources Industrial color.gif 140.5
Sources Outside State Jurisdiction Or Borders Other color.gif 136.2
Aquaculture (Permitted) Aquaculture color.gif 125.6
Industrial Point Source Discharge Industrial color.gif 115.8
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 113.5
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 83.6
Drought-Related Impacts Natural/Wildlife color.gif 57.9
Other Recreational Pollution Sources Recreation And Tourism (Non-Boating) color.gif 34.8
Rangeland Grazing Agriculture color.gif 34.8
Site Clearance (Land Development Or Redevelopment) Construction color.gif 34.7
Wastes From Pets Urban-Related Runoff/Stormwater color.gif 18.8
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 4.3
Flow Alterations From Water Diversions Hydromodification color.gif 3.1

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Site-specific Targeted Monitoring Results

Utah Lakes, Reservoirs, and Ponds 2010

Description of this table

All
Lakes, Reservoirs, and Ponds

481,638.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 468,877.0
Unassessed 12,761.0
Total Acres 481,638.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

468,877.0 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 316,554.0
Threatened .0
Impaired 152,323.0
Total Acres Assessed 468,877.0







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

152,323.0 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

26,275.0
.0
.0
126,048.0
Total Threatened and Impaired 152,323.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Utah Lakes, Reservoirs, and Ponds 2010

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Agricultural 463,859.0 79.1 .0 20.9 color.gifcolor.gif
Cold Water Aquatic Life 171,990.0 73.1 .0 26.9 color.gifcolor.gif
Domestic Water Supply 254,208.0 100.0 .0 .0 color.gif
Non-Game Fish And Other Aquatic Life 1,287.0 100.0 .0 .0 color.gif
Primary Recreation 162,700.0 100.0 .0 .0 color.gif
Secondary Recreation 162,700.0 100.0 .0 .0 color.gif
Warm Water Aquatic Life 283,115.0 62.5 .0 37.5 color.gifcolor.gif
Wildlife Habitat 10,990.0 100.0 .0 .0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Utah Lakes, Reservoirs, and Ponds 2010

Description of this table
Phosphorus, Total Nutrients color.gif 140,401.0
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 96,900.0
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 96,900.0
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 47,318.0
Temperature, Water Temperature color.gif 16,179.0
pH pH/Acidity/Caustic Conditions color.gif 9,402.0
Mercury in Fish Tissue Mercury color.gif 163.0

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Site-specific Targeted Monitoring Results

Probable Sources
Utah Lakes, Reservoirs, and Ponds 2010

Description of this table
Managed Pasture Grazing Agriculture color.gif 115,756.0
Source Unknown Unknown color.gif 107,443.0
Irrigated Crop Production Agriculture color.gif 105,629.0
Animal Feeding Operations (Nps) Agriculture color.gif 101,168.0
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 99,968.0
Industrial Point Source Discharge Industrial color.gif 99,715.0
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 98,294.0
Highways, Roads, Bridges, Infrastructure (New Construction) Construction color.gif 96,900.0
Other Recreational Pollution Sources Recreation And Tourism (Non-Boating) color.gif 19,115.0
Septage Disposal Municipal Discharges/Sewage color.gif 5,457.0
Site Clearance (Land Development Or Redevelopment) Construction color.gif 5,390.0
Rangeland Grazing Agriculture color.gif 4,900.0
Aquaculture (Permitted) Aquaculture color.gif 4,490.0
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 2,874.0
Subsurface (Hardrock) Mining Resource Extraction color.gif 2,815.0
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 2,709.0
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 1,680.0
Silviculture Plantation Management Silviculture (Forestry) color.gif 1,655.0
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 1,394.0
Natural Sources Natural/Wildlife color.gif 1,394.0
Mine Tailings Resource Extraction color.gif 1,394.0
Permitted Runoff From Confined Animal Feeding Operations (Cafos) Agriculture color.gif 1,300.0
Post-Development Erosion And Sedimentation Hydromodification color.gif 1,040.0
Non-Irrigated Crop Production Agriculture color.gif 554.0
Channelization Hydromodification color.gif 266.0
Auction Barns And Off-Farm Animal Holding/Management Area Agriculture color.gif 128.0

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Utah Causes of Impairment for Reporting Year 2010


Description of this table
NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group. See also Pollution categories summary document (PDF) (20 pp, 557K, About PDF) for brief, non-technical descriptions of general cause categories.
Size of Assessed Waters with Listed Causes of Impairment
Ammonia 7.4
Cause Unknown - Impaired Biota 1,277.2
Flow Alteration(s) 99.8
Habitat Alterations 666.2
Mercury 163.0
Metals (other than Mercury) 447.6
Nuisance Native Species 57.6
Nutrients 925.2 140,401.0
Organic Enrichment/Oxygen Depletion 174.2 47,318.0
Pathogens 125.2
pH/Acidity/Caustic Conditions 87.8 9,402.0
Polychlorinated Biphenyls (PCBs) 96,900.0
Radiation 21.8
Salinity/Total Dissolved Solids/Chlorides/Sulfates 797.0 96,900.0
Sediment 596.4
Temperature 852.4 16,179.0
Toxic Inorganics 234.3

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Utah Probable Sources Contributing to Impairments
for Reporting Year 2010

Description of this table
NOTE: Click on the underlined Probable Source Group to see a list of specific state Probable Sources making up the Probable Source Group.
Size of Assessed Waters with Probable Sources of Impairments
Agriculture 1,652.8 118,175.0
Aquaculture 125.6 4,490.0
Construction 34.7 102,290.0
Habitat Alterations (Not Directly Related To Hydromodification) 711.2
Hydromodification 3.1 1,306.0
Industrial 1,042.6 99,715.0
Municipal Discharges/Sewage 147.4 106,905.0
Natural/Wildlife 1,135.8 1,394.0
Other 136.2
Recreation And Tourism (Non-Boating) 34.8 19,115.0
Resource Extraction 4,209.0
Silviculture (Forestry) 1,655.0
Unknown 2,049.9 107,443.0
Urban-Related Runoff/Stormwater 168.0 98,294.0

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Utah TMDL Alternatives by Cause of Impairment 2010


No TMDL Alternatives reported.

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Utah Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards

Description of this table
NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those previously 303(d)-listed waters now attaining all applicable water quality standards.
2003 color.gif 1 2
2012 color.gif 21 43

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Utah Causes of Impairment for 303(d) Listed Waters

Description of this table
NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment.
Temperature color.gif 59
Cause Unknown - Impaired Biota color.gif 54
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 24
Organic Enrichment/Oxygen Depletion color.gif 23
pH/Acidity/Caustic Conditions color.gif 15
Metals (other than Mercury) color.gif 14
Pathogens color.gif 12
Nutrients color.gif 11
Toxic Inorganics color.gif 8
Polychlorinated Biphenyls (PCBs) color.gif 1
Mercury color.gif 1

Total: 222 Causes of Impairment

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Utah Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Dissolved Oxygen color.gif 43 46
Phosphorus color.gif 42 59
Ammonia color.gif 37 37
Total Dissolved Solids (TDS) color.gif 36 36
Phosphorus, Total color.gif 22 23
Ammonia, Un-ionized color.gif 17 17
Total Residual Chlorine color.gif 16 16
Chlorine color.gif 13 14
Sediment color.gif 10 10
Biochemical Oxygen Demand (BOD) color.gif 9 9
Chlorine, Residual (Chlorine Demand) color.gif 9 9
Selenium color.gif 8 8
Copper color.gif 6 8
Iron color.gif 6 6
Habitat color.gif 5 5
Temperature color.gif 5 5
Zinc color.gif 5 7
Lead color.gif 4 6
Escherichia Coli (E. Coli) color.gif 3 3
Silver color.gif 3 3
Total Organic Carbon (TOC) color.gif 3 3
Gross Alpha color.gif 2 2
Mercury color.gif 2 4
Nitrogen, Total color.gif 2 2
Total Suspended Solids (TSS) color.gif 2 2
Aluminum color.gif 1 1
Boron color.gif 1 1
Cadmium color.gif 1 1
Chromium, Hexavalent color.gif 1 1
Cyanide color.gif 1 1
Fecal Coliform color.gif 1 1
Salinity/Total Dissolved Solids/Chlorides color.gif 1 1
Thermal Modifications color.gif 1 1
Total Coliform color.gif 1 1

Total: 319 TMDLs; 349 Causes of Impairment Addressed


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Utah Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.


Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
1997 color.gif 15 24
1998 color.gif 22 23
1999 color.gif 16 16
2000 color.gif 28 35
2001 color.gif 12 13
2002 color.gif 35 35
2003 color.gif 8 8
2004 color.gif 44 44
2005 color.gif 68 68
2006 color.gif 11 11
2007 color.gif 38 41
2008 color.gif 4 5
2010 color.gif 6 13
2012 color.gif 1 1
2013 color.gif 3 3
2014 color.gif 8 9

Total: 319 TMDLs; 349 Causes of Impairment Addressed

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TMDL Document Search


Full Text Search of TMDL Documents

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