Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Rice Lake IA 02-WIN-832

Winnebago County S13T99NR23W at SE edge of Lake Mills.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 02-WIN-00210-L_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Primary Contact Recreation
Not assessed
Documentation
Assessment Comments

Assessment based on surveys by IDNR Wildlife Bureau.

Basis for Assessment

Support of the Class B(LW) aquatic life uses was assessed as PS due to high levels of nutrients delivered to the lake in agricultural nonpoint sources.

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
Causes and Sources of Impairment
Causes Use Support Cause Magnitude Sources Source Magnitude
Algal Grwth/Chlorophyll a Overall Use Support Moderate
  • Source Unknown
  • Moderate
Algal Grwth/Chlorophyll a Aquatic Life Support Moderate
  • Source Unknown
  • Moderate
Nutrients Overall Use Support Moderate
  • Agriculture
  • Natural Sources
  • Moderate
  • Slight
Nutrients Aquatic Life Support Moderate
  • Agriculture
  • Natural Sources
  • Moderate
  • Slight