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On This Page 303(d) Listed Waters for 2008

Data are also available for these cycles:
2002 2004 2006

Waterbody Changes from Prior Cycle

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Arkansas Water Quality Assessment Report

Assessed Waters of Arkansas by Watershed

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Search for a waterbody within Arkansas
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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Arkansas (2008)

Description of this table
 
    5,542.6 30,010.0
      
   
                
                
                
                
    4,436.8 34,768.0
           782.7     28,135.0
                10.0
           22.1     
           3,632.0     6,623.0
              200.3     .0
                    3,431.7           6,623.0
9,979.4 64,778.0
87,617.0 514,245.0
11.4 12.6

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2008


Site-specific Targeted Monitoring Results

Arkansas Rivers and Streams 2008

Description of this table

All
Rivers and Streams

87,617.0 Miles of Rivers and Streams

Assessed 9,979.4
Unassessed 77,637.6
Total Miles 87,617.0







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Description of this table

Assessed
Rivers and Streams

9,979.4 Miles of
Assessed Rivers and Streams

Good 5,542.6
Threatened .0
Impaired 4,436.8
Total Miles Assessed 9,979.4







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Description of this table

Threatened and Impaired
Rivers and Streams

4,436.8 Miles of
Threatened and Impaired
Rivers and Streams

983.0
.0
22.1
3,431.7
Total Threatened and Impaired 4,436.8

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Arkansas Rivers and Streams 2008

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

Description of this table
% Good
% Threatened
% Impaired
Agricultural Water Supply 9,934.1 86.4 .0 13.6 color.gifcolor.gif
Domestic Water Supply 9,814.9 95.3 .0 4.7 color.gifcolor.gif
Fish Consumption 9,934.1 96.5 .0 3.5 color.gifcolor.gif
Fisheries 9,941.4 64.5 .0 35.5 color.gifcolor.gif
Industrial Water Supply 9,934.1 86.4 .0 13.6 color.gifcolor.gif
Primary Contact Recreation 9,972.1 92.1 .0 7.9 color.gifcolor.gif
Secondary Contact Recreation 9,963.1 99.8 .0 .2 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Arkansas Rivers and Streams 2008

Description of this table
Sedimentation/Siltation Sediment color.gif 1,787.0
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 1,309.9
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 1,010.8
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 803.0
Zinc Metals (other than Mercury) color.gif 724.8
Fecal Coliform Pathogens color.gif 697.0
Lead Metals (other than Mercury) color.gif 672.5
Sulfates Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 533.7
Copper Metals (other than Mercury) color.gif 435.9
Mercury Mercury color.gif 307.0
Escherichia Coli (E. Coli) Pathogens color.gif 237.8
pH pH/Acidity/Caustic Conditions color.gif 200.0
Temperature, Water Temperature color.gif 86.1
Phosphorus, Total Nutrients color.gif 72.0
Nitrates Nutrients color.gif 62.1
Turbidity Turbidity color.gif 49.4
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 44.8
Aluminum Metals (other than Mercury) color.gif 11.7
Ammonia, Un-ionized Ammonia color.gif 11.5
Cadmium Metals (other than Mercury) color.gif 2.5
Beryllium Metals (other than Mercury) color.gif 2.5

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Site-specific Targeted Monitoring Results

Probable Sources
Arkansas Rivers and Streams 2008

Description of this table
Source Unknown Unknown color.gif 1,794.3
Agriculture Agriculture color.gif 1,073.6
Highways, Roads, Bridges, Infrastructure (New Construction) Construction color.gif 288.6
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 195.5
Industrial Point Source Discharge Industrial color.gif 182.0
Mine Tailings Resource Extraction color.gif 166.5
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 14.1
Hydrostructure Impacts On Fish Passage Hydromodification color.gif 7.2
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 2.0

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Site-specific Targeted Monitoring Results

Arkansas Lakes, Reservoirs, and Ponds 2008

Description of this table

All
Lakes, Reservoirs, and Ponds

514,245.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 64,778.0
Unassessed 449,467.0
Total Acres 514,245.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

64,778.0 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 30,010.0
Threatened .0
Impaired 34,768.0
Total Acres Assessed 64,778.0







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

34,768.0 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

28,135.0
10.0
.0
6,623.0
Total Threatened and Impaired 34,768.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Arkansas Lakes, Reservoirs, and Ponds 2008

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

Description of this table
% Good
% Threatened
% Impaired
Agricultural Water Supply 64,778.0 100.0 .0 .0 color.gif
Domestic Water Supply 64,778.0 100.0 .0 .0 color.gif
Fish Consumption 64,778.0 63.8 .0 36.2 color.gifcolor.gif
Fisheries 64,778.0 82.5 .0 17.5 color.gifcolor.gif
Industrial Water Supply 64,778.0 100.0 .0 .0 color.gif
Primary Contact Recreation 64,778.0 100.0 .0 .0 color.gif
Secondary Contact Recreation 64,778.0 100.0 .0 .0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Arkansas Lakes, Reservoirs, and Ponds 2008

Description of this table
Mercury Mercury color.gif 23,510.0
Phosphorus, Total Nutrients color.gif 6,513.0
Sedimentation/Siltation Sediment color.gif 4,735.0
Copper Metals (other than Mercury) color.gif 335.0
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 10.0

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Site-specific Targeted Monitoring Results

Probable Sources
Arkansas Lakes, Reservoirs, and Ponds 2008

Description of this table
Source Unknown Unknown color.gif 5,181.0
Industrial Point Source Discharge Industrial color.gif 10.0

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Arkansas Causes of Impairment for Reporting Year 2008


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 11.5
Dioxins 44.8 10.0
Mercury 307.0 23,510.0
Metals (other than Mercury) 1,447.8 335.0
Nutrients 121.3 6,513.0
Organic Enrichment/Oxygen Depletion 1,309.9
Pathogens 796.8
pH/Acidity/Caustic Conditions 200.0
Salinity/Total Dissolved Solids/Chlorides/Sulfates 1,369.7
Sediment 1,787.0 4,735.0
Temperature 86.1
Turbidity 49.4

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Arkansas Probable Sources Contributing to Impairments
for Reporting Year 2008

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 1,073.6
Construction 288.6
Hydromodification 9.2
Industrial 182.0 10.0
Municipal Discharges/Sewage 195.5
Resource Extraction 166.5
Unknown 1,794.3 5,181.0
Urban-Related Runoff/Stormwater 14.1

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Arkansas TMDL Alternatives by Cause of Impairment 2008


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.
Dioxin (Including 2,3,7,8-TCDD) color.gif 2 45 10

Total: 2 TMDL Alternatives

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Arkansas 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.
2008 color.gif 5 5

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Arkansas 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.
Metals (other than Mercury) color.gif 115
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 111
Organic Enrichment/Oxygen Depletion color.gif 62
Sediment color.gif 42
Pathogens color.gif 38
pH/Acidity/Caustic Conditions color.gif 18
Nutrients color.gif 12
Temperature color.gif 9
Turbidity color.gif 2

Total: 409 Causes of Impairment

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Arkansas 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
Total Suspended Solids (TSS) color.gif 47 47
Mercury in Fish Tissue color.gif 36 36
Fecal Coliform color.gif 34 34
Escherichia Coli (E. Coli) color.gif 32 32
Total Dissolved Solids (TDS) color.gif 28 28
Siltation/Turbidity color.gif 18 18
Chloride color.gif 17 17
Sulfates color.gif 14 14
Lead color.gif 12 12
Sulfate color.gif 12 12
Turbidity color.gif 10 10
pH color.gif 9 9
Copper color.gif 8 8
Phosphorus, Total color.gif 7 7
Nitrate color.gif 6 6
Temperature color.gif 5 5
Zinc color.gif 5 5
Ammonia Nitrogen color.gif 4 4
Chlorides color.gif 3 3
Phosphorus color.gif 3 3
Ammonia color.gif 2 2
Oxygen Demand color.gif 2 2
Carbonaceous Bod (CBOD) color.gif 1 1
Dissolved Oxygen color.gif 1 1
Mercury color.gif 1 1
Nitrates color.gif 1 1

Total: 318 TMDLs; 318 Causes of Impairment Addressed


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Arkansas 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 6 6
2002 color.gif 7 7
2003 color.gif 44 44
2004 color.gif 11 11
2005 color.gif 13 13
2006 color.gif 45 45
2007 color.gif 62 62
2008 color.gif 35 35
2009 color.gif 10 10
2010 color.gif 2 2
2011 color.gif 7 7
2012 color.gif 30 30
2013 color.gif 46 46

Total: 318 TMDLs; 318 Causes of Impairment Addressed

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