Impaired Water - Otter Creek (Otter Creek)
Iowa County, Wisconsin
LW11
1237100
21.37 - 23.30
1.93
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
On 303d list, TMDL approved; also on 1980 trout streams list (class 2).
Listing Details
Pollutant
Sediment/Total Suspended Solids
Listed For
Fish and Aquatic Life
Impairments
Degraded Habitat
Current Use
Coldwater - stocked, reproduction
Listing Status
TMDL Approved
Attainable Use
Coldwater - stocked, reproduction
Priority
Not Applicable
Designated Use
Coldwater - stocked, reproduction
303(d) ID
331
Listing Date
4/1/1998
Impaired Water Notes
Impoundment Blackhawk Lake -Organic loading from algal blooms and/or night time periphyton respiration. High ammonia in the stream below the dam. Agricultural non-point sediment loading.
Date
10/22/2009

Impaired Water Notes
The sediment TMDL for Otter Creek was approved by the USEPA October 2, 2008.
Date
10/2/2008