TMDLs for the Upper Arkansas River Basin
- EPA Approval Letter for Lake Charles, 12/12/2012
- EPA Approval Letter for Concannon SFL, 1/29/2013
- Implementation Priority
- Approval Letters
- EPA Approval Letter for KS TMDLs - February 28, 2008 (.pdf)
- Stream TMDLs
- Lake TMDLs
- Abbreviations
Table 1 - Stream TMDLs
Waterbody |
Impairment |
Priority |
Station |
ApprovalStatus |
Subbasin: Midle Arkansas-Lake McKinney (HUC 11030001) |
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Boron |
Medium |
SC223, SC598, SC286 |
9/11/00 |
|
Sulf |
Medium |
SC223, SC598, SC286 |
9/11/00 |
|
ARKANSAS RIVER |
NH3 |
Cat 2 |
Modeled - NPDES Permit |
Delisted 08/12/2010 |
FCB |
High |
SC286 |
8/9/00 |
|
pH |
Medium |
SC286, SC598 |
9/11/00 |
|
Selenium |
High |
SC223, SC598, SC286 |
2/28/08 |
|
Subbasin: Arkansas-Dodge City (HUC 11030003) |
||||
FCB |
High |
SC594 |
8/9/00 |
|
Sulf |
Medium |
SC286, SC594, SC587 |
9/11/00 |
|
Subbasin: Arkansas - Pickerel (HUC 11030004) |
||||
NH3 |
Cat 2 |
Modeled |
8/9/00, Delisted 08/12/2010 |
|
FCB |
High |
SC587 |
8/9/00 |
|
FCB |
High |
SC584 |
8/9/00 |
|
Bio |
Medium |
SB284 |
9/11/00 |
|
Fluor |
Medium |
SC587 |
9/11/00 |
|
Sulf |
Medium |
SC584, SC284 |
9/11/00 |
|
FCB |
High |
SC284 |
8/9/00 |
|
DO |
Low |
SC700 |
5/31/2013 |
|
Subbasin: Pawnee (HUC 11030005) |
||||
FCB |
High |
SC586 |
8/9/00 |
|
DO |
Low |
SC585, SC586 |
3/12/2013 |
|
ATZ |
Medium |
SC585, SC586 |
5/21/2013 |
|
Subbasin: Upper Walnut Cr (HUC 11030007) |
||||
FCB |
Cat 2 |
SC595 |
8/9/00, Delisted 08/12/2010 |
|
Sulf |
Low |
SC595, SC596, SC597 |
9/11/00 |
|
DO |
Low |
SC596, SC597 |
3/12/2013 |
|
SE |
Low |
SC595, SC596, SC597 |
5/7/2013 |
|
Table 2 - Lake TMDLs
Waterbody |
Impairment |
Priority |
Station |
ApprovalStatus |
Subbasin: Middle Arkansas-Lake McKinney (HUC 11030001) |
||||
AP |
Low |
LM016101 |
9/11/00 |
|
E |
Low |
LM016101 |
9/11/00 |
|
Cl, SO4, SILT |
Low |
LM016101 |
5/31/2013 |
|
Cl, SO4, SILT |
Low |
LM016141 |
5/31/2013 |
|
DO |
Low |
LM016141 |
9/11/00 |
|
E |
Low |
LM016141 |
9/11/00 |
|
Subbasin: Arkansas-Dodge City (HUC 11030003) |
||||
E |
Low |
LM071101 |
12/12/2012 |
|
Subbasin: Pawnee (HUC 11030005) |
||||
E |
Low |
LM053601 |
1/29/2013 |
|
Subbasin: Buckner (HUC 11030006) |
||||
AP |
Low |
LM073901 |
8/9/00 |
|
E |
Low |
LM073901 |
6/3/2013 |
|
DO |
High |
LM070801 |
9/11/00 |
|
E |
High |
LM070801 |
9/11/00 |
|
pH |
High |
LM070801 |
9/11/00 |
|
Subbasin: Lower Walnut Cr (HUC 11030008) |
||||
E |
Low |
LM074001 |
9/11/00 |
|
E |
Low |
LM071501 |
5/21/2013 |
|
Abbreviations
- * -- Computer Modeled
- AP -- excessive biomass of submersed vascular plants (macrophytes) that is sufficient to interfere with designated uses or impair the development of trophic state
- BOD -- Biochemical Oxygen Demand
- CL -- Chloride
- DO -- low dissolved oxygen in the upper 3.0 meters of the water column, over the deepest location in the water body
- HUC -- U.S. Geological Survey hydrological unit code
- E -- eutrophication, biological community impacts, and excessive nutrient/organic loading
- FCB -- fecal coliform bacterial count
- FLUOR -- Fluoride
- NH3 -- total ammonia
- pH -- pH over 8.5 or under 6.5
- SULF -- sulfate