Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Dunlap Pond IA 06-BOY-1507

Harrison County S2T81NR41W at E edge of Dunlap.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 06-BOY-00270-L_0
Overall Use Support
Not supporting
Aquatic Life Use Support
Not supporting
Fish Consumption
Not assessed
Documentation
Assessment Comments

Assessment based on reports by IDNR Wildlife Bureau.

Basis for Assessment

Support of the Class B(LW) aquatic life uses was assessed as NS due to impacts of siltation from 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
Siltation Overall Use Support Moderate
  • Agriculture
  • Bank or Shoreline Modification/Destabilization
  • Natural Sources
  • Moderate
  • Slight
  • Slight
Siltation Aquatic Life Support Moderate
  • Agriculture
  • Bank or Shoreline Modification/Destabilization
  • Natural Sources
  • Moderate
  • Slight
  • Slight