Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Hannen Lake IA 02-IOW-704

Benton County S34T82NR11W 4 mi SW of Blairstown.

Assessment Cycle
1998
Result Period
1994 - 1996
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Trophic
Eutrophic
Trend
Improving
Legacy ADBCode
IA 02-IOW-01810-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Primary Contact Recreation
Threatened
Documentation
Assessment Comments

Assessment is based on results of surveys by IDNR Fisheries Bureau.

Basis for Assessment

Continued to use the assessment of support of the Class A and Class B(LW) uses developed for the 1994 report.   These assessments were reviewed and approved by the DNR Fisheries Bureau.

Monitoring and Methods
Assessment Key Dates
Methods
120 Surveys of fish and game biologists/other professionals
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