Iowa DNR
Iowa DNR Fish Kill Database

Fish Kill Event - Crystal Lake

Event ID
1013
Date of Kill
7/1/2021
Waterbody Type
Lake
Cause Origin
Natural
Cause
Environmental
Mode
N/A
Magnitude
7 (50,001 - 100,000 fish killed)
Estimated Fish Killed
71,000
County
Hancock
ESD Field Office
FO 2
Fisheries Office
Clear Lake Station
LongDD
-93.79059
LatDD
43.22643
Created Date
7/16/2021 8:21:42 AM
Last Update
7/16/2021 8:21:42 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
Onsite Comments

Large summer kill event. No way to accurately enumerate the fish loss, numbers are educated guess from Fisheries staff.