Iowa DNR
Iowa DNR
Fish Kill DatabaseDB

Fish Kill Event - Unnamed Tributary to Hickory Creek

NW of Dyersville

Event ID
940
Date of Kill
10/9/2017
Waterbody Type
River/Stream
Cause Origin
Anthropogenic
Cause
Animal Waste
Mode
Runoff
Animal Waste Source
Feedlot
Animal Type
Cattle (Dairy)
Approx Head
Unknown/Unspecified
Magnitude
7 (50,001 - 100,000 fish killed)
Estimated Fish Killed
60,278
Kill Length
6.89 miles
Valuation
$19,416.15
Investigation Expenses
$2,296.29
County
Dubuque
ESD Field Office
FO 1
Fisheries Office
Manchester Trout Hatchery
LongDD
-91.05012
LatDD
42.53283
Created Date
3/6/2019 1:40:48 PM
Last Update
3/6/2019 1:57:00 PM
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

Ammonia toxicity associated with an open dairy feed lot originating in Section 11, T89N, R2W, pending water sample analysis results.