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
- 2/9/2024 9:54:49 AM
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.
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.
SPECIES | NUMBER KILLED | MONETARY VALUE |
Carp, minnows, shiners, stonerollers, chubs | 14,000 | $1,260.00 |
Suckers & Redhorse | 940 | $1,817.00 |
River Carpsucker | 120 | $11.00 |
Channel Catfish | 820 | $12,300.00 |
Flathead Catfish | 20 | $300.00 |
Bullheads & Madtoms | 40 | $17.50 |
Buffalo spp. | 10 | $1.50 |
Green Sunfish | 430 | $226.80 |
Largemouth Bass | 30 | $450.00 |
Gizzard Shad | 10 | $1.20 |
White Crappie | 10 | $150.00 |
Walleye | 20 | $300.00 |
Bluegill | 150 | $2,250.00 |
Smallmouth Bass | 10 | $150.00 |
Freshwater Drum | 10 | $150.00 |
Total | 16,620 | $19,385.00 |