Dane County, Wisconsin
LW17
1248800
0.00 - 8.00
8.00
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Halfway Praire is on the 303d list due to a degraded habitat caused by total suspended solids in the water. Biological impairment was noted in the 2016 cycle and confirmed in the 2018 cycle. Elevated temperature was identified in the 2018 cycle and while not exceeding critiera, phosphorus levels were high. New water quality data reviewed in the 2024 cycle indicated no additional pollutants.
This water is on the Restoration Waters list because it is covered by the Dane-Iowa Adaptive Management Plan.Pollutant
Unknown Pollutant
Listed For
Fish and Aquatic Life
Impairments
Degraded Biological Community
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Salmonid Populations Stocked
Priority
Low
Designated Use
Salmonid Populations Stocked
303(d) ID
2016-131
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2016 listing cycle; biological impairment was observed (i.e. at least one macroinvertebrate or fish Index of Biotic Integrity (IBI) average scored in the poor condition category).
Date
8/30/2015
Impaired Water Notes
This water is on the Restoration Waters list, Category 4B, because it is covered by the Dane-Iowa Adaptive Management Plan, an alternative to a TMDL.
Date
8/23/2019
Pollutant
Sediment/Total Suspended Solids
Listed For
Fish and Aquatic Life
Impairments
Degraded Habitat
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Alternative Approved
Attainable Use
Salmonid Populations Stocked
Priority
Not Applicable
Designated Use
Salmonid Populations Stocked
303(d) ID
178
Listing Date
4/1/2004
Impaired Water Notes
This water is on the Restoration Waters list, Category 4B, because it is covered by the Dane-Iowa Adaptive Management Plan, an alternative to a TMDL.
Date
8/23/2019