Sauk County, Wisconsin
LW16
1257900
0.00 - 1.33
1.33
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Shannahan Valley Creek was placed on the impaired waters list in 2002 for Ammonia, BOD, and Elevated Water Temperature.
Assessments of fish sample data every two-year cycle from 2018 to 2022 cycles showed them in good condition.Pollutant
Ammonia (Unionized) - Toxin
Listed For
Fish and Aquatic Life
Impairments
Chronic Aquatic Toxicity
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Coldwater - aquatic life, spawning
Priority
Low
Designated Use
Coldwater - aquatic life, spawning
303(d) ID
608
Listing Date
4/1/2002
Pollutant
Elevated Water Temperature
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Coldwater - aquatic life, spawning
Priority
Low
Designated Use
Coldwater - aquatic life, spawning
303(d) ID
608
Listing Date
4/1/2002
Impaired Water Notes
Temperatures are elevated because of the impoundment of Shannahan Pond, habitat on Honey Creek is a limiting factor, stream ditching and entrenchment and widened stream course (elimination of floodplain).
Date
2/1/2006
Pollutant
BOD
Listed For
Fish and Aquatic Life
Impairments
Low DO
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Coldwater - aquatic life, spawning
Priority
Low
Designated Use
Coldwater - aquatic life, spawning
303(d) ID
608
Listing Date
4/1/2002
Impaired Water Notes
Temperatures are elevated because of the impoundment of Shannahan Pond, habitat on Honey Creek is a limiting factor, stream ditching and entrenchment and widened stream course (elimination of floodplain).
Date
2/1/2006