Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Allen Green Refuge Marsh IA 02-ICM-620

Des Moines County S29T72NR1W 8 mi. E of Mediapolis.

Assessment Cycle
1998
Result Period
1994 - 1996
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 02-ICM-00145-L_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

Assessment based on reports by IDNR Wildlife Bureau.

Basis for Assessment

Comments of DNR Wildlife Biologist indicate wetland quality is adversely impacted by chronic drying from a drainage ditch that runs adjacent to the wetland.  Use support status downgraded from FST to PS.

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
Flow alteration Overall Use Support Moderate
  • Flow Regulation/Modification
  • Moderate
Flow alteration Aquatic Life Support Moderate
  • Flow Regulation/Modification
  • Moderate