Waumandee TMDL

Purpose

The Waumandee Creek Watershed is located in Buffalo County, Wisconsin. The Waumandee Creek Watershed drains 204 square miles and is characterized by steep topography, narrow valleys and numerous streams.Surface water drains to the Mississippi River by direct runoff or via Waumandee Creek and its tributaries. Temperature and sediment impairments are found in Buell Valley Creek, Cochrane Ditch (Rose Valley), Irish Valley Creek, Jahns Valley Creek, Weiland Valley Creek. Coverage of the substrates with sediment constitutes “an objectionable deposit” under the water quality standards criterion noted in S.NR 102.04(1) (a) cited below. The creeks are limited by excessive sediment loading and habitat unsuitable to support a coldwater fishery.

Objective

Total Maximum Daily Loads (TMDLs) for sediment address sedimentation and degraded habitat impairment conditions in: Buell Valley Creek, Cochrane Ditch, Irish Valley Creek, Jahns Valley Creek and Weiland Valley Creek. These five streams are located in the Waumandee Creek Watershed, in the Buffalo-Trempealeau Basin. These TMDLs identify load allocations and management actions that will restore the biological integrity of these streams. Buell Valley Creek, Cochrane Ditch, Irish Valley Creek, and Jahns Valley Creek were placed on the 303(d) impaired waters list in 1998 and were identified as low priority on the 2004 303(d) impaired waters list. Weiland Valley Creek was placed on the 2004 303(d) list as low priority. All of the streams currently support a warm water forage fishery (WWFF) with potential to support a cold water fishery.

Outcome

This TMDL project is designed to restore water resource substrate, which In most cases, the gravel substrate is extensively covered by sand, silt, and soft organic matter preventing a suitable habitat for fish and macroinvertebrate communities. Filling-in of pools reduces the amount of available cover for juvenile and adult fish. Sedimentation of riffle areas reduces the reproductive success of fish by reducing the exposed gravel substrate necessary for appropriate spawning conditions. Sedimentation also affects macroinvertebrate biomass (fish food source) which tends to be lower in areas with predominantly sand substrate than a stream substrate with a mix of gravel, rubble, and sand. Sedimentation also causes elevated turbidity which reduces the penetration of light necessary for photosynthesis in aquatic plants, reduces the feeding efficiency of visual predators and filter feeders, and lowers the respiratory capacity of aquatic invertebrates by clogging their gill surfaces. In addition, other contaminants such as nutrients (phosphorus) attached to sediment particles can be transported to streams during runoff events.

QA Measures

Run Project Summary Report

TMDL/303d Projects
Implement TMDL
Waumandee TMDL
2006
Active
 
Reports and Documents
Irish Creek Valley Overlook
Assessments and recommendations for the Watershed.
USEPA Decision Document. After a full and complete review, EPA finds that the TMDL for Waumandee Creek Watershed in Buffalo County, Wisconsin, satisfies all of the elements of an approvable TMDL. These five TMDLs for sediment address 11 impairments.
Waumandee Creek Watershed Sediment TMDL for Streams
 
Activities & Recommendations
TMDL Approved (USEPA)
TMDL for Sediment Impaired Streams in the Waumandee Creek Watershed - Trump Coulee Creek
TMDL Approved (USEPA)
TMDL for Sediment Impaired Streams in the Waumandee Creek Watershed - Weiland Valley Creek
TMDL Approved (USEPA)
TMDL for Sediment Impaired Streams in the Waumandee Creek Watershed - Jahns Valley Creek
TMDL Approved (USEPA)
TMDL for Sediment Impaired Streams in the Waumandee Creek Watershed - Irish Valley Creek
TMDL Approved (USEPA)
TMDL for Sediment Impaired Streams in the Waumandee Creek Watershed - Cochrane Ditch
TMDL Approved (USEPA)
TMDL for Sediment Impaired Streams in the Waumandee Creek Watershed - Buell Creek
 
Waters