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TMDL Document for SOURIS RIVER FROM THE SASKATECHEWAN, CANADA BORDER DOWNSTREAM TO LAKE DARLING
| TMDL ID: | 39420 | TMDL Name: | SOURIS RIVER FROM THE SASKATECHEWAN, CANADA BORDER DOWNSTREAM TO LAKE DARLING | ||
| State/Tribe: | North Dakota | TMDL Date: | 09/29/2010 | ||
| EPA Action: | EPA Approved | Comments: | THE TMDL TECHNICAL ANALYSIS EXPLAINS HOW THE LOW DISSOLVED OXYGEN IN THE SOURIS RIVER WILL BE ADDRESSED BY REDUCING SEDIMENT OXYGEN DEMAND (SOD). SEDIMENT OXYGEN DEMAND WAS IDENTIFIED AS THE MAJOR OXYGEN SINK ALONG THE IMPAIRED REACH OF THE SOURIS RIVER, AND THE CRITICAL CONDITION WAS IDENTIFIED AS WINTER MONTHS WHEN THE RE-AERATIONS IS ZERO DUE TO ICE COVER AND ALMOST NO FLOW. THE TMDL LOAD ALLOCATIONS ARE EXPRESSED AS GRAMS PER SQUARE METER PER DAY OF SOD. | ||
TMDL Documents
| Click on the underlined Document Type to retrieve the actual document in PDF format. | |
| Document Type | Comments |
|---|---|
| TMDL Report | |
TMDL Pollutant: Dissolved Oxygen
| Total Waste Load Allocation: | Total Load Allocation: | .288 | ||
| Explicit Margin Of Safety: | .032 GM/SQ/DAY | Implicit Margin Of Safety: | N | |
| Units for Total Waste Load Allocation and Total Load Allocation: | GM/SQ/DAY | TMDL Pollutant Source Type: | Nonpoint Source | |
| TMDL End Point: | => 5.0 MG/L | |||
| Listed Water Causes of Impairment for Dissolved Oxygen Click on the underlined Waterbody ID for a Waterbody Report. Click on the underlined "Waterbody Map" literal for a map of the Assessment Unit. |
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| Waterbody ID | Waterbody Name | Map | Cycles Listed | Cause(s) of Impairment Addressed | |
|---|---|---|---|---|---|
| ND-09010001-001-S_00 | Souris River | Waterbody Map | 2002, 2004, 2006, 2008, 2010 | Dissolved Oxygen | |