Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Elm Lake IA 02-IOW-657

Wright County S21T92NR24W 1 mi. S of Cornelia.

Assessment Cycle
2000
Result Period
1996 - 1998
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 02-IOW-00870-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Documentation
Assessment Comments

Assessment based on surveys by IDNR Wildlife Bureau.

Basis for Assessment

SUMMARY:  Continued to assess support of the Class B(LW) aquatic life uses as "partially supported."  Other beneficial uses remain "not assessed."  EXPLANATION:  The previous (1998) assessment of support of the Class B(LW) uses ("partially supported") was reviewed and approved by the DNR Wildlife Bureau in 2000.

Monitoring and Methods
Assessment Key Dates
Methods
120 Surveys of fish and game biologists/other professionals
180 Screening models (desktop models/models not calibrated or verified)
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
Flow alteration Overall Use Support Not Impairing
  • Hydromodification
  • Not Impairing
Flow alteration Aquatic Life Support Not Impairing
  • Hydromodification
  • Not Impairing
Nutrients Overall Use Support Not Impairing
  • Agriculture
  • Natural Sources
  • Not Impairing
  • Not Impairing
Nutrients Aquatic Life Support Not Impairing
  • Agriculture
  • Natural Sources
  • Not Impairing
  • Not Impairing
Siltation Overall Use Support Not Impairing
  • Agriculture
  • Not Impairing
Siltation Aquatic Life Support Not Impairing
  • Agriculture
  • Not Impairing