Impaired Water - Mississippi River (Mississippi (Reach 2) Buffalo-Whitewater - Chippewa River to LD 6 (lower Pool 4 to Pool 6))
Buffalo, La Crosse, Pepin, Trempealeau County, Wisconsin
BR01, BT01, BT06, BT07, LC01, LC02, LC22
721000
714.20 - 763.40
49.20
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This reach of the Mississppi River is on the 303d list for Specific Advice for fish tissue contaminated with PFOS, Mercury, and PCBs.

This portion of the Mississippi River was evaluated for phosphorus in 2012 and 2018; levels were found to be too high for healthy plant, bug, and fish communities.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
WWSF - Warmwater Sport Fishery
Listing Status
303d Listed
Attainable Use
WWSF - Warmwater Sport Fishery
Priority
Low
Designated Use
WWSF - Warmwater Sport Fishery
303(d) ID
2012-2013
Listing Date
4/1/2012
Impaired Water Notes
This stream segment was assessed during the 2012 listing cycle, and total phosphorus sample data exceed criteria for the fish and aquatic life use
Date
3/1/2013

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data exceed 2020 WisCALM listing criteria for the 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
8/8/2019

 
Pollutant
PFOS
Listed For
Fish Consumption
Impairments
PFOS Contaminated Fish Tissue
Current Use
Specific Restricted Fish Consumption
Listing Status
303d Listed
Attainable Use
Unrestricted Fish Consumption
Priority
Low
Designated Use
Unrestricted Fish Consumption
303(d) ID
2008-3
Listing Date
4/1/2008
Impaired Water Notes
New fish tissue data: Fish advisory for PFOs in fish tissue. Perfluorooctane sulfonate in Pool 3 - Mile 797, Pool 4 - Mile 753. Bluegill (PFOS) - Pools 3, 4; Pools 5, 5A, and 6 - Bluegill and Crappie (PFOs). All sizes: Eat no more than 1 meal a week or 52 meals per year.
Date
4/1/2008

 
Pollutant
Mercury
Listed For
General
Impairments
Impairment Unknown
Current Use
Restricted General Water Use
Listing Status
303d Listed
Attainable Use
General Water Use
Priority
Low
Designated Use
General Water Use
303(d) ID
530
Listing Date
4/1/1998
 
Pollutant
PCBs
Listed For
General
Impairments
Impairment Unknown, PCBs Contaminated Fish Tissue
Current Use
Restricted General Water Use
Listing Status
303d Listed
Attainable Use
General Water Use
Priority
Low
Designated Use
General Water Use
303(d) ID
590
Listing Date
4/1/1998
Impaired Water Notes
Specific advisory for PCBs in fish.
Date
4/1/2006