Iowa DNR
Iowa DNR
Fish Kill DatabaseDB

Fish Kill Event - Mississippi River

Event ID
170
Date of Kill
2/4/1991
Waterbody Type
River/Stream
Cause Origin
Unknown
Cause
Unknown (Anthro Suspected)
Mode
N/A
Magnitude
2 (101 - 1000 fish killed)
Estimated Fish Killed
200
Kill Length
not enumerated
County
Dubuque
ESD Field Office
FO 1
Fisheries Office
Manchester Trout Hatchery
LongDD
-90.65353
LatDD
42.50213
Created Date
4/20/2000 12:00:00 AM
Last Update
4/2/2019 11:50:53 AM
For more information about this fish kill event, contact the Field Office or Fisheries Office listed above.
Impacted Assessment Segments
Lat/Long uses WGS84 datum

Highlighted river segments indicate those impacted in part or whole by this fish kill event. It is not meant to represent the actual extent of the kill.

Onsite Comments

Maybe IE cooling water in Dubuque - possibly temperature.