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