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.