TMDLs for the Cimarron River Basin

All of these TMDLs were submitted to EPA
on June 29, 2000 and have been approved.

Table 1 - Stream TMDLs

Waterbody	Impairment	Priority	Station	ApprovalStatus
Subbasin: Upper Cimarron (HUC 11040006)
CIMARRON RIVER	Cl	Low	SC222	9/11/00
CIMARRON RIVER (pH)	pH	Low	SC222	9/11/00
Subbasin: Crooked (HUC 11040007)
CROOKED CREEK (Cl)	Cl	Low	SC600	9/11/00
CROOKED CREEK (NH3)	NH3	Cat 3	Modeled - Addressed with NPDES Permit	12/18/08, Further Evaluation in 2012
Subbasin: Upper Cimarron - Bluff (HUC 11040008)
BLUFF CREEK (Sulf)	Sulf	Cat 2	SC593	9/11/00, Delisted 08/12/2010
CAVALRY CREEK (FCB)	FCB	Medium	SC624	8/9/00
CIMARRON RIVER (Cl)	Cl	Low	SC592	9/11/00
~~CIMARRON RIVER (Sulf)~~ BIG SANDY CREEK NEAR ASHLAND	Sulf	Low	SC738 2010 Delisted Station: SC592	9/11/00

Waterbody	Impairment	Priority	Station	ApprovalStatus
Subbasin: Upper Cimarron (HUC 11040006)
RUSSELL LAKE (E)	E	Low	LM060101	9/11/00
Subbasin: Crooked (HUC 11040007)
LAKE MEADE SP (AP)	AP	High	LM010601	9/11/00
LAKE MEADE SP (DO)	DO	High	LM010601	9/11/00
LAKE MEADE SP (E)	E	High	LM010601	9/11/00
LAKE MEADE SP (pH)	pH	High	LM010601	9/11/00
Subbasin: Upper Cimarron-Bluff (HUC 11040008)
BIG BASIN WA (E)	E	High	LM060001	9/11/00
LAKE COLDWATER	E	Low	LM042601	3/22/2013

* -- 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