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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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South Dakota Water Quality Assessment Report

Assessed Waters of South Dakota by Watershed

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



Site-specific Targeted Monitoring Summary Results

South Dakota (2012)

Description of this table
 
    2,240.9 90,135.5
       1,332.3 70,184.5
    388.8 5,201.2
           188.5     
                
                
           200.2     5,201.2
    3,758.4 41,355.6
           573.8     48.9
                
                
           3,184.6     41,306.7
              47.3     .0
                    3,137.2           41,306.7
6,388.0 136,692.3
95,130.0 750,000.0
6.7 18.2

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


Site-specific Targeted Monitoring Results

South Dakota Rivers and Streams 2012

Description of this table

All
Rivers and Streams

95,130.0 Miles of Rivers and Streams

Assessed 6,388.0
Unassessed 88,742.0
Total Miles 95,130.0







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Description of this table

Assessed
Rivers and Streams

6,388.0 Miles of
Assessed Rivers and Streams

Good 2,240.9
Threatened 388.8
Impaired 3,758.4
Total Miles Assessed 6,388.0







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Description of this table

Threatened and Impaired
Rivers and Streams

4,147.1 Miles of
Threatened and Impaired
Rivers and Streams

809.7
.0
.0
3,337.5
Total Threatened and Impaired 4,147.1

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
South Dakota 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
Coldwater Marginal Fish Life Propagation Waters 173.9 82.5 .0 17.5 color.gifcolor.gif
Coldwater Permanent Fish Life Propagation Waters 720.7 56.5 7.9 35.6 color.gifcolor.gifcolor.gif
Commerce And Industry Waters 526.8 100.0 .0 .0 color.gif
Domestic Water Supply Waters 826.6 100.0 .0 .0 color.gif
Fish And Wildlife Propagation, Recreation, And Stock Watering Waters 6,239.7 96.1 .0 3.9 color.gifcolor.gif
Immersion Recreation Waters 1,385.0 53.8 .0 46.2 color.gifcolor.gif
Irrigation Waters 6,239.7 84.1 6.0 9.9 color.gifcolor.gifcolor.gif
Limited Contact Recreation Waters 5,237.7 54.5 8.7 36.8 color.gifcolor.gifcolor.gif
Warmwater Marginal Fish Life Propagation Waters 1,547.9 75.2 3.2 21.6 color.gifcolor.gifcolor.gif
Warmwater Permanent Fish Life Propagation Waters 788.2 41.0 .0 59.0 color.gifcolor.gif
Warmwater Semipermanent Fish Life Propagation Waters 2,875.4 42.1 5.2 52.7 color.gifcolor.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
South Dakota Rivers and Streams 2012

Description of this table
Total Suspended Solids (TSS) Turbidity color.gif 1,925.1
Fecal Coliform Pathogens color.gif 1,878.2
Escherichia Coli (E. Coli) Pathogens color.gif 1,681.9
Salinity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 897.3
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 527.0
Temperature, Water Temperature color.gif 346.9
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 244.6
Specific Conductivity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 231.2
Alkalinity, Carbonate as CaCO3 pH/Acidity/Caustic Conditions color.gif 87.3
pH pH/Acidity/Caustic Conditions color.gif 83.3
Cadmium Metals (other than Mercury) color.gif 1.6

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Site-specific Targeted Monitoring Results

Probable Sources
South Dakota Rivers and Streams 2012

Description of this table
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 1,301.5
Natural Sources Natural/Wildlife color.gif 1,251.8
Crop Production (Crop Land Or Dry Land) Agriculture color.gif 702.3
Wildlife Other Than Waterfowl Natural/Wildlife color.gif 498.4
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 474.9
Source Unknown Unknown color.gif 127.3
Irrigated Crop Production Agriculture color.gif 123.7
Rangeland Grazing Agriculture color.gif 87.3
Streambank Modifications/Destabilization Hydromodification color.gif 76.5
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 67.2
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 41.3
Drought-Related Impacts Natural/Wildlife color.gif 25.2
Residential Districts Urban-Related Runoff/Stormwater color.gif 16.7
Non-Irrigated Crop Production Agriculture color.gif 16.6
Municipal (Urbanized High Density Area) Urban-Related Runoff/Stormwater color.gif 4.7
Non-Point Source Unspecified Nonpoint Source color.gif 3.4
Acid Mine Drainage Resource Extraction color.gif 1.6
Impacts From Abandoned Mine Lands (Inactive) Resource Extraction color.gif 1.6

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Site-specific Targeted Monitoring Results

South Dakota Lakes, Reservoirs, and Ponds 2012

Description of this table

All
Lakes, Reservoirs, and Ponds

750,000.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 136,692.3
Unassessed 613,307.7
Total Acres 750,000.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

136,692.3 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 90,135.5
Threatened 5,201.2
Impaired 41,355.6
Total Acres Assessed 136,692.3







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

46,556.8 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

48.9
.0
.0
46,507.9
Total Threatened and Impaired 46,556.8

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
South Dakota 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
Coldwater Marginal Fish Life Propagation Waters 163.2 89.6 .0 10.4 color.gifcolor.gif
Coldwater Permanent Fish Life Propagation Waters 1,675.0 50.9 .0 49.1 color.gifcolor.gif
Domestic Water Supply Waters 7,994.6 100.0 .0 .0 color.gif
Fish And Wildlife Propagation, Recreation, And Stock Watering Waters 133,754.4 96.1 3.6 .3 color.gifcolor.gifcolor.gif
Immersion Recreation Waters 129,263.9 92.7 .0 7.3 color.gifcolor.gif
Irrigation Waters 43,778.1 88.4 .0 11.6 color.gifcolor.gif
Limited Contact Recreation Waters 129,263.9 92.7 .0 7.3 color.gifcolor.gif
Warmwater Marginal Fish Life Propagation Waters 21,991.9 73.1 .0 26.9 color.gifcolor.gif
Warmwater Permanent Fish Life Propagation Waters 72,921.6 75.4 .1 24.5 color.gifcolor.gifcolor.gif
Warmwater Semipermanent Fish Life Propagation Waters 38,184.6 68.4 1.0 30.7 color.gifcolor.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
South Dakota Lakes, Reservoirs, and Ponds 2012

Description of this table
Temperature, Water Temperature color.gif 13,791.3
pH pH/Acidity/Caustic Conditions color.gif 11,556.7
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 8,505.1
Mercury Mercury color.gif 5,404.7
Salinity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 5,069.9
Chlorophyll-A Algal Growth color.gif 3,674.3
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 54.6
Specific Conductivity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 54.6
Nitrates Nutrients color.gif 54.6
Selenium Metals (other than Mercury) color.gif 54.6

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Site-specific Targeted Monitoring Results

Probable Sources
South Dakota Lakes, Reservoirs, and Ponds 2012

Description of this table
Natural Sources Natural/Wildlife color.gif 5,554.5
Source Unknown Unknown color.gif 3,674.3
Non-Point Source Unspecified Nonpoint Source color.gif 3,446.5

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South Dakota 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
Algal Growth 3,674.3
Mercury 5,404.7
Metals (other than Mercury) 1.6 54.6
Nutrients 54.6
Organic Enrichment/Oxygen Depletion 527.0 8,505.1
Pathogens 2,098.2
pH/Acidity/Caustic Conditions 170.6 11,556.7
Salinity/Total Dissolved Solids/Chlorides/Sulfates 1,082.0 5,124.5
Temperature 346.9 13,791.3
Turbidity 1,925.1

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South Dakota 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 1,622.0
Hydromodification 76.5
Municipal Discharges/Sewage 67.2
Natural/Wildlife 1,546.5 5,554.5
Resource Extraction 1.6
Unknown 127.3 3,674.3
Unspecified Nonpoint Source 3.4 3,446.5
Urban-Related Runoff/Stormwater 62.7

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South Dakota TMDL Alternatives by Cause of Impairment 2012


No TMDL Alternatives reported.

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South Dakota 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 4 4
2008 color.gif 11 15
2010 color.gif 28 36
2012 color.gif 13 17

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South Dakota 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.
Pathogens color.gif 46
Temperature color.gif 34
Turbidity color.gif 29
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 25
Organic Enrichment/Oxygen Depletion color.gif 25
pH/Acidity/Caustic Conditions color.gif 24
Mercury color.gif 12
Algal Growth color.gif 12

Total: 207 Causes of Impairment

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South Dakota 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
Ammonia color.gif 131 131
Fecal Coliform color.gif 50 50
Phosphorus color.gif 45 74
Total Suspended Solids (TSS) color.gif 26 26
Escherichia Coli (E. Coli) color.gif 19 19
Sediment color.gif 15 25
Dissolved Oxygen color.gif 9 9
Nutrients color.gif 5 7
Biochemical Oxygen Demand (BOD) color.gif 3 3
Cadmium color.gif 3 3
Carbonaceous Bod (CBOD) color.gif 3 3
Cyanide color.gif 3 3
Chromium, Total color.gif 2 2
Silver color.gif 2 2
Zinc color.gif 2 2
Arsenic color.gif 1 1
Chloride color.gif 1 1
Copper color.gif 1 1
Fecal color.gif 1 1
Lead color.gif 1 1
Mercury color.gif 1 1
Nitrate color.gif 1 1
Nitrogen color.gif 1 1
Selenium color.gif 1 1
Total Dissolved Solids (TDS) color.gif 1 1
Trend color.gif 1 1

Total: 329 TMDLs; 370 Causes of Impairment Addressed


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South Dakota 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 22 22
1998 color.gif 13 13
1999 color.gif 42 66
2000 color.gif 10 10
2001 color.gif 16 21
2002 color.gif 23 27
2003 color.gif 28 32
2004 color.gif 27 27
2005 color.gif 20 20
2006 color.gif 15 15
2007 color.gif 22 25
2008