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On This Page 303(d) Listed Waters for 2012

Data are also available for these cycles:
2002 2004 2006 2008 2010

Waterbody Changes from Prior Cycle

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Vermont Water Quality Assessment Report

Assessed Waters of Vermont by Watershed

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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Vermont (2012)

Description of this table
 
    5,460.6 31,001.0
       19.7
   
                
                
                
                
    400.6 198,753.0
           137.9     18,339.0
           8.2     
           96.0     7,663.0
           158.5     172,751.0
              .0     .0
                    158.5           172,751.0
5,861.2 229,754.0
7,099.0 229,774.0
82.6 100.0

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2012


Site-specific Targeted Monitoring Results

Vermont Rivers and Streams 2012

Description of this table

All
Rivers and Streams

7,099.0 Miles of Rivers and Streams

Assessed 5,861.2
Unassessed 1,237.8
Total Miles 7,099.0







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Description of this table

Assessed
Rivers and Streams

5,861.2 Miles of
Assessed Rivers and Streams

Good 5,460.6
Threatened .0
Impaired 400.6
Total Miles Assessed 5,861.2







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Description of this table

Threatened and Impaired
Rivers and Streams

400.6 Miles of
Threatened and Impaired
Rivers and Streams

137.9
8.2
96.0
158.5
Total Threatened and Impaired 400.6

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Vermont Rivers and Streams 2012

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

Description of this table
% Good
% Threatened
% Impaired
Aesthetic 3,068.1 96.0 .0 4.0 color.gifcolor.gif
Aquatic Biota, Wildlife, And Aquatic Habitat 3,406.7 92.4 .0 7.6 color.gifcolor.gif
Boating, Fishing, And Other Recreational Uses 3,714.7 99.1 .0 .9 color.gifcolor.gif
Fish Consumption 5,789.9 98.7 .0 1.3 color.gifcolor.gif
Swimming And Other Primary Contact Recreation 2,098.0 94.1 .0 5.9 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Vermont Rivers and Streams 2012

Description of this table
Escherichia Coli (E. Coli) Pathogens color.gif 118.4
Other Flow Regime Alterations Flow Alteration(s) color.gif 74.2
Sedimentation/Siltation Sediment color.gif 67.0
Mercury in Fish Tissue Mercury color.gif 64.8
Nutrients Nutrients color.gif 55.2
pH, Low pH/Acidity/Caustic Conditions color.gif 31.6
Stormwater Other Cause color.gif 31.1
Temperature, Water Temperature color.gif 17.7
Metals, Acid - Mining Metals (other than Mercury) color.gif 15.2
Low Flow Alterations Flow Alteration(s) color.gif 15.0
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 7.0
Iron Metals (other than Mercury) color.gif 6.4
Dissolved Oxygen Saturation Organic Enrichment/Oxygen Depletion color.gif 6.0
Direct Habitat Alterations Habitat Alterations color.gif 5.0
Ag Runoff Cause Unknown color.gif 4.8
Toxics Total Toxics color.gif 2.4
Asbestos Toxic Inorganics color.gif 2.3
Loss of Instream Cover Habitat Alterations color.gif 1.8
Organic Enrichment (Sewage) Biological Indicators Organic Enrichment/Oxygen Depletion color.gif 1.2
Manganese Metals (other than Mercury) color.gif .5
Turbidity Turbidity color.gif .5
Arsenic Metals (other than Mercury) color.gif .4
Zinc Metals (other than Mercury) color.gif .2

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Site-specific Targeted Monitoring Results

Probable Sources
Vermont Rivers and Streams 2012

Description of this table
Agriculture Agriculture color.gif 58.9
Atmospheric Deposition - Acidity Atmospheric Deposition color.gif 34.7
Dam Or Impoundment Hydromodification color.gif 21.5
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 21.3
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 18.4
Impacts From Resort Areas (Winter And Non-Winter Resorts) Recreation And Tourism (Non-Boating) color.gif 15.0
Mine Tailings Resource Extraction color.gif 13.7
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 11.0
Site Clearance (Land Development Or Redevelopment) Construction color.gif 6.2
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 6.0
Land Development Construction color.gif 3.0
Landfills Land Application/Waste Sites/Tanks color.gif 2.9
Acid Mine Drainage Resource Extraction color.gif 2.9
Rcra Hazardous Waste Sites Industrial color.gif 2.5
Accidental Release/Spill Spills/Dumping color.gif 1.0
Inappropriate Waste Disposal Spills/Dumping color.gif .5
Unspecified Land Disturbance Other color.gif .2
Sand/Gravel/Rock Mining Or Quarries Resource Extraction color.gif .2

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Site-specific Targeted Monitoring Results

Vermont Lakes, Reservoirs, and Ponds 2012

Description of this table

All
Lakes, Reservoirs, and Ponds

229,774.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 229,754.0
Unassessed 20.0
Total Acres 229,774.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

229,754.0 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 31,001.0
Threatened .0
Impaired 198,753.0
Total Acres Assessed 229,754.0







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

198,753.0 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

18,339.0
.0
7,663.0
172,751.0
Total Threatened and Impaired 198,753.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Vermont Lakes, Reservoirs, and Ponds 2012

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

Description of this table
% Good
% Threatened
% Impaired
Aesthetic 228,752.0 34.2 .0 65.8 color.gifcolor.gif
Aquatic Biota, Wildlife, And Aquatic Habitat 228,730.0 81.4 .0 18.6 color.gifcolor.gif
Boating, Fishing, And Other Recreational Uses 227,751.0 86.7 .0 13.3 color.gifcolor.gif
Fish Consumption 229,717.0 20.6 .0 79.4 color.gifcolor.gif
Public Water Supply 165,554.0 90.5 .0 9.5 color.gifcolor.gif
Swimming And Other Primary Contact Recreation 227,727.0 34.2 .0 65.8 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Vermont Lakes, Reservoirs, and Ponds 2012

Description of this table
Mercury in Fish Tissue Mercury color.gif 182,340.0
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 166,171.0
Phosphorus, Total Nutrients color.gif 139,927.0
Zebra Mussel, Dreissena Polymorph Nuisance Exotic Species color.gif 21,503.0
Eurasian Water Milfoil, Myriophyllum Spicatum Nuisance Exotic Species color.gif 19,479.0
Other Flow Regime Alterations Flow Alteration(s) color.gif 6,195.0
pH pH/Acidity/Caustic Conditions color.gif 4,468.0
Exotic Species Nuisance Exotic Species color.gif 1,219.0
Organic Enrichment/Low Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 700.0
Sedimentation/Siltation Sediment color.gif 100.0
Toluene Toxic Organics color.gif 6.0
Xylenes - Total, Mixed Pesticides color.gif 6.0

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Site-specific Targeted Monitoring Results

Probable Sources
Vermont Lakes, Reservoirs, and Ponds 2012

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 182,340.0
Inappropriate Waste Disposal Spills/Dumping color.gif 166,171.0
Non-Point Source Unspecified Nonpoint Source color.gif 139,475.0
Natural Sources Natural/Wildlife color.gif 68,040.0
Agriculture Agriculture color.gif 33,315.0
Other Marina/Boating On-Vessel Discharges Recreational Boating And Marinas color.gif 23,787.0
Post-Development Erosion And Sedimentation Hydromodification color.gif 14,177.0
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 13,725.0
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 13,725.0
Flow Alterations From Water Diversions Hydromodification color.gif 7,997.0
Atmospheric Deposition - Acidity Atmospheric Deposition color.gif 4,468.0
Industrial Point Source Discharge Industrial color.gif 4,423.0
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 2,198.0
Non-Irrigated Crop Production Agriculture color.gif 1,908.0
Managed Pasture Grazing Agriculture color.gif 1,854.0
Animal Feeding Operations (Nps) Agriculture color.gif 1,456.0
Internal Nutrient Recycling Natural/Wildlife color.gif 506.0
Streambank Modifications/Destabilization Hydromodification color.gif 100.0
Contaminated Sediments Legacy/Historical Pollutants color.gif 6.0

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Vermont Causes of Impairment for Reporting Year 2012


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
Cause Unknown 4.8
Flow Alteration(s) 89.2 6,195.0
Habitat Alterations 6.8
Mercury 64.8 182,340.0
Metals (other than Mercury) 22.1
Nuisance Exotic Species 23,787.0
Nutrients 55.2 139,927.0
Organic Enrichment/Oxygen Depletion 7.2 700.0
Other Cause 31.1
Pathogens 118.4
Pesticides 6.0
pH/Acidity/Caustic Conditions 31.6 4,468.0
Polychlorinated Biphenyls (PCBs) 7.0 166,171.0
Sediment 67.0 100.0
Temperature 17.7
Total Toxics 2.4
Toxic Inorganics 2.3
Toxic Organics 6.0
Turbidity .5

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Vermont Probable Sources Contributing to Impairments
for Reporting Year 2012

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 58.9 33,767.0
Atmospheric Deposition 45.7 183,116.0
Construction 9.2
Hydromodification 27.5 22,274.0
Industrial 2.5 4,423.0
Land Application/Waste Sites/Tanks 2.9
Legacy/Historical Pollutants 6.0
Municipal Discharges/Sewage 21.3 13,725.0
Natural/Wildlife 68,546.0
Other .2
Recreation And Tourism (Non-Boating) 15.0
Recreational Boating And Marinas 23,787.0
Resource Extraction 13.9
Spills/Dumping 1.5 166,171.0
Unspecified Nonpoint Source 139,475.0
Urban-Related Runoff/Stormwater 18.4 13,725.0

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Vermont TMDL Alternatives by Cause of Impairment 2012


Description of this table

NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
Sedimentation/Siltation color.gif 4 3  
Iron color.gif 3 1  
Arsenic color.gif 1 0  
Dissolved Oxygen Saturation color.gif 1 6  
Manganese color.gif 1 1  
Nutrients color.gif 1 0  
Stormwater color.gif 1 1  
Temperature, Water color.gif 1 4  
Toluene color.gif 1   6
Toxics color.gif 1 0  
Turbidity color.gif 1 1  
Xylenes - Total, Mixed color.gif 1   6

Total: 17 TMDL Alternatives

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Vermont 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.
2004 color.gif 9 11
2007 color.gif 4 4
2011 color.gif 8 11

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Vermont 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.
Polychlorinated Biphenyls (PCBs) color.gif 28
Sediment color.gif 27
Nutrients color.gif 21
Metals (other than Mercury) color.gif 17
Pathogens color.gif 13
pH/Acidity/Caustic Conditions color.gif 10
Other Cause color.gif 5
Toxic Inorganics color.gif 4
Temperature color.gif 3
Cause Unknown color.gif 3
Total Toxics color.gif 3
Organic Enrichment/Oxygen Depletion color.gif 2

Total: 136 Causes of Impairment

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Vermont 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
Acid color.gif 37 37
Mercury color.gif 31 31
Escherichia Coli (E. Coli) color.gif 22 22
Pollutants in Urban Stormwater color.gif 12 12
Phosphorus, Total color.gif 10 10
Dichlorvos color.gif 2 2
Phosphorus color.gif 2 2
Sediment color.gif 2 2
Pathogens color.gif 1 1

Total: 119 TMDLs; 119 Causes of Impairment Addressed


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Vermont 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.
2001 color.gif 2 2
2002 color.gif 3 3
2003 color.gif 39 39
2004 color.gif 6 6
2007 color.gif 5 5
2008 color.gif 35 35
2009 color.gif 4 4
2010 color.gif 1 1
2011 color.gif 22 22
2012 color.gif 2 2

Total: 119 TMDLs; 119 Causes of Impairment Addressed

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