Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

East Okoboji Lake IA 06-LSR-1652

Dickinson County S29T99NR36W at E edge of Okoboji

Assessment Cycle
1998
Result Period
1994 - 1996
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 06-LSR-02835-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Fully
Primary Contact Recreation
Threatened
Documentation
Assessment Comments

Assessment is based on results of monitoring in 1990 by ISU as part of the Clean Lakes Classification study and results of U.S. EPA/IDNR fish tissue monitoring in September 1992.

Basis for Assessment

Continued to use the assessments of support developed for the 1994 report.   These assessments were reviewed in 1998 by the DNR Fisheries Bureau; no changes in the assessments were recommended.

Monitoring and Methods
Assessment Key Dates
9/21/1992 Fish Tissue Monitoring
Methods
340 Primary producer surveys (phytoplankton/periphyton/macrophyton)
120 Surveys of fish and game biologists/other professionals
222 Non-fixed-station monitoring (conventional during key seasons and flows)
260 Fish tissue analysis
150 Monitoring data more than 5 years old
Monitoring Levels
Biological 0
Habitat 0
Physical Chemistry 0
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 0
BioIntegrity N/A