Impaired Water - Irish Creek (Irish Creek)
Dodge County, Wisconsin
UR13
861600
0.00 - 3.79
3.79
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Irish Creek is on the 303(d) list for acute aquatic toxicity caused by unionized ammonia. The creek also suffers from degraded habitat caused by total suspended solids and total phosphorus. Evaulation of phosphorus data in the 2014, 2018, and 2024 cycles confirmed impaiment. This water is on the Impaired Waters List.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Degraded Habitat
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Coldwater - stocked, reproduction
Priority
Not Applicable
Designated Use
Coldwater - stocked, reproduction
303(d) ID
195
Listing Date
4/1/2006
Impaired Water Notes
Irish Creek (861600, miles 0-3.79) is a part of the Rock River Basin and is listed as impaired for total phosphorus and 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

 
Pollutant
Ammonia (Unionized) - Toxin
Listed For
Fish and Aquatic Life
Impairments
Acute Aquatic Toxicity
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Coldwater - stocked, reproduction
Priority
Low
Designated Use
Coldwater - stocked, reproduction
303(d) ID
195
Listing Date
4/1/2006
 
Pollutant
Sediment/Total Suspended Solids
Listed For
Fish and Aquatic Life
Impairments
Degraded Habitat
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Coldwater - stocked, reproduction
Priority
Not Applicable
Designated Use
Coldwater - stocked, reproduction
303(d) ID
195
Listing Date
4/1/1998
Impaired Water Notes
Irish Creek (861600, miles 0-3.79) is a part of the Rock River Basin and is listed as impaired for total phosphorus and 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