Fish Kill Event - Chelsea Creek

south edge of Mason City

Event ID: 860
Date of Kill: 8/9/2012
Waterbody Type: River/Stream
Cause Origin: Anthropogenic
Cause: Other Chemical/Pollutant
Mode: Discharge
Magnitude: 3 (1001 - 5000 fish killed)
Estimated Fish Killed: 3,225
Kill Length: 0.76 miles
Valuation: $305.67
Investigation Expenses: $344.95
County: Cerro Gordo
ESD Field Office: FO 2
Fisheries Office: Clear Lake Station
LongDD: -93.22953
LatDD: 43.13137
Estimated Origin Location: True
Created Date: 6/28/2013 3:37:00 PM
Last Update: 2/7/2019 2:15:31 PM

For more information about this fish kill event, contact the Field Office or Fisheries Office listed above.

Impacted Assessment Segments

The indicated location of this event has been estimated.

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

Discharge of iron-laden cooling water