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On This Page 303(d) Listed Waters for 2014

Data are also available for these cycles:
2002 2004 2006 2008 2010 2012

Waterbody Changes from Prior Cycle

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North Dakota Water Quality Assessment Report

Assessed Waters of North Dakota by Watershed

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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

North Dakota (2014)

Description of this table
 
    47,719.8 153,710.1
       177.4 1,014.1
    4,440.2 13,220.0
           1,356.6     4,552.8
                
           37.1     
           3,046.6     8,667.2
    3,862.1 455,334.0
           514.4     135.0
                
                
           3,347.7     455,199.0
              .0     .0
                    3,347.7           455,199.0
56,022.1 622,264.1
54,607.0 714,910.0
102.6 87.0

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2014


Site-specific Targeted Monitoring Results

North Dakota Rivers and Streams 2014

Description of this table

All
Rivers and Streams

54,607.0 Miles of Rivers and Streams

Assessed 56,022.1
Unassessed -1,415.1
Total Miles 54,607.0







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Description of this table

Assessed
Rivers and Streams

56,022.1 Miles of
Assessed Rivers and Streams

Good 47,719.8
Threatened 4,440.2
Impaired 3,862.1
Total Miles Assessed 56,022.1







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Description of this table

Threatened and Impaired
Rivers and Streams

8,302.3 Miles of
Threatened and Impaired
Rivers and Streams

1,871.0
.0
37.1
6,394.3
Total Threatened and Impaired 8,302.3

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Dakota Rivers and Streams 2014

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

Description of this table
% Good
% Threatened
% Impaired
Agricultural 56,022.1 100.0 .0 .0 color.gif
Fish And Other Aquatic Biota 4,537.8 28.1 47.3 24.6 color.gifcolor.gifcolor.gif
Fish Consumption 489.3 18.6 .0 81.4 color.gifcolor.gif
Industrial 56,022.1 100.0 .0 .0 color.gif
Municipal And Domestic 956.3 84.2 15.8 .0 color.gifcolor.gif
Recreation 7,503.0 16.8 49.6 33.6 color.gifcolor.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Dakota Rivers and Streams 2014

Description of this table
Fecal Coliform Pathogens color.gif 3,545.2
Escherichia Coli (E. Coli) Pathogens color.gif 3,317.0
Physical Substrate Habitat Alterations Habitat Alterations color.gif 2,023.7
Sedimentation/Siltation Sediment color.gif 1,720.8
Combination Benthic/Fishes Bioassessments Cause Unknown - Impaired Biota color.gif 969.9
Benthic Macroinvertebrates Bioassessments Cause Unknown - Impaired Biota color.gif 677.7
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 539.7
Fish Bioassessments Cause Unknown - Impaired Biota color.gif 513.3
Methylmercury Mercury color.gif 398.2
Selenium Metals (other than Mercury) color.gif 273.4
Low Flow Alterations Flow Alteration(s) color.gif 270.5
Cadmium Metals (other than Mercury) color.gif 194.3
Arsenic Metals (other than Mercury) color.gif 151.5
Lead Metals (other than Mercury) color.gif 82.4
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 49.8
Temperature, Water Temperature color.gif 40.7
Copper Metals (other than Mercury) color.gif 37.1
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 34.7
Other Flow Regime Alterations Flow Alteration(s) color.gif 34.7
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 29.9
Sulfates Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 29.9
Combined Biota/Habitat Bioassessments (Streams) Cause Unknown - Impaired Biota color.gif 18.3

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Site-specific Targeted Monitoring Results

Probable Sources
North Dakota Rivers and Streams 2014

Description of this table
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 6,367.9
Animal Feeding Operations (Nps) Agriculture color.gif 4,194.6
Crop Production (Crop Land Or Dry Land) Agriculture color.gif 2,273.3
Loss Of Riparian Habitat Habitat Alterations (Not Directly Related To Hydromodification) color.gif 2,084.2
Source Unknown Unknown color.gif 1,302.8
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 748.0
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 611.9
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 507.8
Streambank Modifications/Destabilization Hydromodification color.gif 484.7
Channel Erosion/Incision From Upstream Hydromodifications Hydromodification color.gif 474.1
Drainage/Filling/Loss Of Wetlands Habitat Alterations (Not Directly Related To Hydromodification) color.gif 467.8
Rangeland Grazing Agriculture color.gif 422.4
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) Hydromodification color.gif 346.3
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 244.7
Channelization Hydromodification color.gif 234.5
Natural Sources Natural/Wildlife color.gif 210.4
Wildlife Other Than Waterfowl Natural/Wildlife color.gif 128.8
Natural Conditions - Water Quality Standards Use Attainability Analyses Needed Natural/Wildlife color.gif 128.4
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso) Municipal Discharges/Sewage color.gif 127.8
Septage Disposal Municipal Discharges/Sewage color.gif 115.4
Municipal (Urbanized High Density Area) Urban-Related Runoff/Stormwater color.gif 110.3
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 89.7
Site Clearance (Land Development Or Redevelopment) Construction color.gif 85.9
Sources Outside State Jurisdiction Or Borders Other color.gif 68.3
Wet Weather Discharges (Non-Point Source) Urban-Related Runoff/Stormwater color.gif 57.4
Industrial Point Source Discharge Industrial color.gif 27.3
Post-Development Erosion And Sedimentation Hydromodification color.gif 16.1
Clean Sediments Hydromodification color.gif 13.1
Dam Construction (Other Than Upstream Flood Control Projects) Hydromodification color.gif 13.1
Golf Courses Recreation And Tourism (Non-Boating) color.gif 13.0
Flow Alterations From Water Diversions Hydromodification color.gif 8.5

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Site-specific Targeted Monitoring Results

North Dakota Lakes, Reservoirs, and Ponds 2014

Description of this table

All
Lakes, Reservoirs, and Ponds

714,910.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 622,264.1
Unassessed 92,645.9
Total Acres 714,910.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

622,264.1 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 153,710.1
Threatened 13,220.0
Impaired 455,334.0
Total Acres Assessed 622,264.1







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

468,554.0 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

4,687.8
.0
.0
463,866.2
Total Threatened and Impaired 468,554.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Dakota Lakes, Reservoirs, and Ponds 2014

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

Description of this table
% Good
% Threatened
% Impaired
Agricultural 622,264.1 100.0 .0 .0 color.gif
Fish And Other Aquatic Biota 599,370.3 98.5 1.4 .1 color.gifcolor.gifcolor.gif
Fish Consumption 519,552.5 13.6 .0 86.4 color.gifcolor.gif
Industrial 622,264.1 100.0 .0 .0 color.gif
Municipal And Domestic 342,070.5 100.0 .0 .0 color.gif
Recreation 599,724.9 96.0 3.0 1.1 color.gifcolor.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Dakota Lakes, Reservoirs, and Ponds 2014

Description of this table
Methylmercury Mercury color.gif 448,933.5
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 24,403.2
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 6,445.0
Sedimentation/Siltation Sediment color.gif 4,185.0
Turbidity Turbidity color.gif 1,191.0
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 36.8

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Site-specific Targeted Monitoring Results

Probable Sources
North Dakota Lakes, Reservoirs, and Ponds 2014

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 448,933.5
Source Unknown Unknown color.gif 443,915.5
Crop Production (Crop Land Or Dry Land) Agriculture color.gif 24,340.2
Internal Nutrient Recycling Natural/Wildlife color.gif 21,806.3
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 17,076.0
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 14,495.5
Animal Feeding Operations (Nps) Agriculture color.gif 13,881.4
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 9,882.2
Rangeland Grazing Agriculture color.gif 8,073.9
Drainage/Filling/Loss Of Wetlands Habitat Alterations (Not Directly Related To Hydromodification) color.gif 8,046.3
Littoral/Shore Area Modifications (Non-Riverine) Habitat Alterations (Not Directly Related To Hydromodification) color.gif 7,648.9
Changes In Ordinary Stratification And Bottom Water Hypoxia/Anoxia Natural/Wildlife color.gif 6,445.0
Sediment Resuspension (Clean Sediment) Hydromodification color.gif 2,141.6
Waterfowl Natural/Wildlife color.gif 2,073.4
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) Hydromodification color.gif 2,073.4
Streambank Modifications/Destabilization Hydromodification color.gif 392.5
Loss Of Riparian Habitat Habitat Alterations (Not Directly Related To Hydromodification) color.gif 194.0
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso) Municipal Discharges/Sewage color.gif 63.3
Septage Disposal Municipal Discharges/Sewage color.gif 55.2
Land Application Of Wastewater Biosolids (Non-Agricultural) Land Application/Waste Sites/Tanks color.gif 55.2
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 36.8
Flow Alterations From Water Diversions Hydromodification color.gif 36.8

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North Dakota Causes of Impairment for Reporting Year 2014


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 - Impaired Biota 2,024.6
Flow Alteration(s) 305.2
Habitat Alterations 2,023.7
Mercury 398.2 448,933.5
Metals (other than Mercury) 305.6
Nutrients 49.8 24,403.2
Organic Enrichment/Oxygen Depletion 539.7 6,445.0
Pathogens 6,242.6
Salinity/Total Dissolved Solids/Chlorides/Sulfates 64.6 36.8
Sediment 1,720.8 4,185.0
Temperature 40.7
Turbidity 1,191.0

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North Dakota Probable Sources Contributing to Impairments
for Reporting Year 2014

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 6,778.8 24,525.7
Atmospheric Deposition 448,933.5
Construction 85.9
Habitat Alterations (Not Directly Related To Hydromodification) 2,125.6 13,621.8
Hydromodification 935.3 4,644.3
Industrial 27.3
Land Application/Waste Sites/Tanks 55.2
Municipal Discharges/Sewage 705.3 10,000.7
Natural/Wildlife 467.6 22,404.1
Other 68.3
Recreation And Tourism (Non-Boating) 13.0
Unknown 1,302.8 443,915.5
Urban-Related Runoff/Stormwater 682.7 36.8

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North Dakota TMDL Alternatives by Cause of Impairment 2014


No TMDL Alternatives reported.

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North 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.
2003 color.gif 1 2
2004 color.gif 1 1
2008 color.gif 2 4
2013 color.gif 3 4
2015 color.gif 1 1

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North 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 86
Cause Unknown - Impaired Biota color.gif 77
Sediment color.gif 65
Metals (other than Mercury) color.gif 45
Mercury color.gif 23
Nutrients color.gif 19
Organic Enrichment/Oxygen Depletion color.gif 18
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 6
Temperature color.gif 1

Total: 340 Causes of Impairment

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North 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
Fecal Coliform color.gif 52 56
Escherichia Coli (E. Coli) color.gif 32 32
Phosphorus color.gif 27 45
Dissolved Oxygen color.gif 12 12
Sediment color.gif 8 9
Nutrients color.gif 5 5

Total: 136 TMDLs; 159 Causes of Impairment Addressed


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North 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 11 11
2004 color.gif 8 12
2005 color.gif 1 1
2006 color.gif 6 6
2007 color.gif 10 10
2008 color.gif 7 19
2009 color.gif 26 30
2010 color.gif 22 22
2011 color.gif 16 16
2012 color.gif 8 8
2013 color.gif 16 19
2014 color.gif 5 5

Total: 136 TMDLs; 159 Causes of Impairment Addressed

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TMDL Document Search


Full Text Search of TMDL Documents

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