Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Willow Slough IA 05-NSH-1443

Mills County S29T73NR40W 3 mi. SW of Henderson.

Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 05-NSH-00820-L_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

Assessment is based on surveys of the DNR Wildlife Bureau.

Basis for Assessment

Used assessment of support of the Class B(LW) uses developed for the 1994 report (=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
Siltation Overall Use Support Not Impairing
  • Agriculture
  • Natural Sources
  • Not Impairing
  • Not Impairing
Siltation Aquatic Life Support Not Impairing
  • Agriculture
  • Natural Sources
  • Not Impairing
  • Not Impairing