Impaired Water - Stony Brook (Stony Brook)
Dane, Dodge, Jefferson County, Wisconsin
UR05
837600
0.00 - 15.43
15.43
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Stony Brook has been on thes tate's 303(d) impaired waters list since 2006 for Total Suspended Solids. TMDL Approved 2011.
This water was assessed during the 2014 listing cycle; biological sample data met 2014 WisCALM listing thresholds for the Fish and Aquatic Life use (i.e. macroinvertebrate or fish Index of Biotic Integrity (IBI) average scored in the fair to excellent condition categories).

Assessments of new data during the 2020 listing cycle showed temperature levels appropriate for healthy aquatic communities like plants, fish, and bugs.
Listing Details
Pollutant
Sediment/Total Suspended Solids
Listed For
Fish and Aquatic Life
Impairments
Degraded Habitat
Current Use
LFF - Limited Forage Fishery
Listing Status
TMDL Approved
Attainable Use
WWSF - Warmwater Sport Fishery
Priority
Not Applicable
Designated Use
WWSF - Warmwater Sport Fishery
303(d) ID
840
Listing Date
4/1/2006
Impaired Water Notes
Baseline Monitoring at Town Hall Road
**9** Fish Assessment, 7/19/2004, IBI Score = 32 (Fair)
**9** Habitat Assessment, 7/27/2004, high percent silt and sediment
Date
1/19/2006

Impaired Water Notes
Stony Brook (837600, miles 0-15) is a part of the Rock River Basin and is listed as impaired for sediment/total suspended solids. The Rock River Basin TMDLs for phosphorus and sediment were approved by the USEPA September 28, 2011.
Date
5/8/2012