Impaired Water - Dell Creek (Dell Creek)
Sauk County, Wisconsin
LW26
1295200
5.62 - 7.55
1.93
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water is impaired for Total Phosphorus since 2014. Assessments in 2016, 2018, and 2020 confirm this listing. This water is part of the 2019 approved Wisconsin River TMDL addressing Total Phosphorus and Total Suspended Solids.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
FAL - Fish and Aquatic Life Community
Listing Status
TMDL Approved
Attainable Use
FAL - Fish and Aquatic Life Community
Priority
Not Applicable
Designated Use
FAL - Fish and Aquatic Life Community
303(d) ID
2014-87
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data exceed 2014 WisCALM listing criteria for the Fish and Aquatic Life use, however, no biological data (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scores) were available to assess biological impairment).
Date
1/30/2014

Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data exceed 2016 WisCALM listing criteria for the Fish and Aquatic Life use, however, available biological data do not indicate impairment (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category).
Date
10/2/2015

Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use, however, available biological data do not indicate impairment (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category).
Date
4/14/2017

Impaired Water Notes
This water is part of the 2019 approved Wisconsin River TMDL addressing Total Phosphorus and Total Suspended Solids.
Date
6/5/2019

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data exceed 2020 WisCALM listing criteria for the Fish and Aquatic Life use, however, available biological data do not indicate impairment (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category). Temperature was also assessed but did not exceed 2020 WisCALM listing criteria. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
6/19/2019