BOW - Watershed Planning Section - Walnut Basin TMDL's

TMDLs for the Walnut Basin

Table 1 - Stream TMDLs

Waterbody	Impairment	Priority	Station	ApprovalStatus
Subbasin: Upper Walnut (11030017)
WALNUT RIVER	Ammonia	Cat 2	SC279 - NPDES Permit	12/18/08, Delisted
WHITEWATER RIVER	Ammonia	Cat 2	SC106, SC038 - NPDES Permit	12/18/08, Delisted
WHITEWATER RIVER	FCB	Cat 2	SC106, SC038 - NPDES Permit	12/18/08, Delisted
UPPER WALNUT RIVER	FCB	High	SC279	9/30/02
WHITEWATER RIVER	FCB	High	SC038	9/30/02
WALNUT RIVER (Butler Co.)	Bio	Medium	SB106	9/30/02
WALNUT RIVER	Sulfate	Low	SC106, SC704, SC038	9/30/02
Subbasin: Lower Walnut (11030018)
LITTLE WALNUT RIVER	FCB	High	SC655	9/30/02
ROCK CREEK	FCB	High	SC654	9/30/02
WALNUT RIVER (Cowley Co.)	Bio	Medium	SC106, SB315, SC532	9/30/02
TIMBER CREEK	Ammonia	Cat 2	SC653 - NPDES Permit	12/18/08, Delisted

Table 2 - Lake TMDLs

Waterbody	Impairment	Priority	Station	ApprovalStatus
Subbasin: Upper Walnut (11030017)
HARVEY CO EAST LAKE	Eutrophication	Medium	LM052001	9/30/02
AUGUSTA SANTA FE LAKE	Eutrophication	Medium	LM041601	9/30/02
AUGUSTA SANTA FE LAKE	DO	Medium	LM041601	9/30/02
AUGUSTA SANTA FE LAKE (Silt)	Silt	Medium	LM041601	9/30/02
EL DORADO LAKE	Eutrophication	High	LM033001	9/30/02
EL DORADO LAKE (Silt)	Silt	High	LM033001	9/30/02
Subbasin: Lower Walnut (11030018)
WINFIELD CITY LAKE	Eutrophication	High	LM050801	9/30/09
WINFIELD PARK LAGOON	Eutrophication	Low	LM072301	9/30/02
BUTLER CO SFL/WA	Eutrophication	Medium	LM049401	9/30/02

Abbreviations

* -- Computer Modeled
BOD -- Biochemical Oxygen Demand
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
NH3 -- total ammonia
pH -- pH over 8.5 or under 6.5
SILT -- observed siltation and/or identified chronic turbidity that impacts development of trophic state
SULF -- sulfate