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- Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards
- Causes of Impairment for 303(d) Listed Waters
- Cumulative TMDLs by Pollutant
- Cumulative Number of TMDLs
Data are also available for these cycles:
2004
2006
2008
2010
2012
Waterbody Changes from Prior Cycle
For More Information:
North Dakota Assessment Report
State Water Quality Program
North Dakota Impaired Waters and TMDL Information
Assessed Waters of North Dakota by Watershed
Search for a waterbody within North Dakota
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
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- Pollution Categories Summary Document
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. | ||
| Year Attaining | Number of Waters Attaining | Number of Causes of Impairment Addressed |
|---|---|---|
| 2003 |  1 |
2 |
| 2004 | 1 |
1 |
| 2008 | 2 |
4 |
| 2013 | 3 |
4 |
North Dakota 2002 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. | |
| Cause of Impairment Group Name | Number of Causes of Impairment Reported |
|---|---|
| Pathogens |  85 |
| Sediment | 63 |
| Nutrients | 62 |
| Organic Enrichment/Oxygen Depletion | 37 |
| Mercury | 19 |
| Metals (other than Mercury) | 3 |
| Ammonia | 2 |
| Temperature | 1 |
| Turbidity | 1 |
| Habitat Alterations | 1 |
Total: 274 Causes of Impairment
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. | ||
| Pollutant | Number of TMDLs | Number of Causes of Impairment Addressed |
|---|---|---|
| Fecal Coliform |  48 |
52 |
| Phosphorus | 27 |
45 |
| Escherichia Coli (E. Coli) | 23 |
23 |
| Dissolved Oxygen | 12 |
12 |
| Sediment | 8 |
9 |
| Nutrients | 5 |
5 |
Total: 123 TMDLs; 146 Causes of Impairment Addressed
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. | ||
| Fiscal Year | Number of TMDLs | Number of Causes of Impairment Addressed |
|---|---|---|
| 1997 | 11 |
11 |
| 2004 | 8 |
12 |
| 2005 | 1 |
1 |
| 2006 | 6 |
6 |
| 2007 | 10 |
10 |
| 2008 | 7 |
19 |
| 2009 | 26 |
30 |
| 2010 | 22 |
22 |
| 2011 | 16 |
16 |
| 2012 | 8 |
8 |
| 2013 | 8 |
11 |
Total: 123 TMDLs; 146 Causes of Impairment Addressed