Iowa DNR
Iowa DNR Fish Kill Database

Fish Kill Event - Walnut Creek

S of I235 Des Moines to confluence with Raccoon River

Event ID
974
Date of Kill
7/25/2019
Waterbody Type
River/Stream
Cause Origin
Anthropogenic
Cause
Chlorinated Water
Mode
Spill
Magnitude
5 (10,001 - 25,000 fish killed)
Estimated Fish Killed
16,620
Kill Length
2.90 miles
Valuation
$19,385.00
Investigation Expenses
$692.39
County
Polk
ESD Field Office
FO 5
Fisheries Office
Boone Research Station
LongDD
-93.70776
LatDD
41.59121
Created Date
8/5/2019 8:51:40 AM
Last Update
8/5/2019 10:31:31 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

Pool company indicated to ESD that chlorine was spilled near Hoak Drive, West Des Moines. ESD staff speculate that the chlorine then flowed into Walnut Creek and caused the kill.