Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Prairie Creek IA 01-MAQ-32

mouth (S17 T84N R3E Jackson Co.) to unnamed tributary in S2T83NR2E Clinton Co.

Assessment Cycle
2000
Result Period
1996 - 1998
Designations
Assessment Methodology
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-MAQ-0130_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Documentation
Assessment Comments

Fish Kills.

Basis for Assessment

SUMMARY:  The Class B(LR) aquatic life uses remain assessed as "partially supported."  EXPLANATION:  The assessment of the Class B(LR) uses is based on repeated fish kills as described in the assessment developed for the 1998 report (above).   No additional fish kills were reported during the 1998-1999 biennial period.

Monitoring and Methods
Assessment Key Dates
9/18/1997 Fishkill
8/20/1997 Fishkill
Methods
140 Incidence of spills and/or fish kills
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
Organic enrichment/Low DO Overall Use Support Moderate
  • Agriculture
  • Intensive Animal Feeding Operations
  • Upstream Impoundment
  • Moderate
  • Moderate
  • Moderate
Organic enrichment/Low DO Aquatic Life Support Moderate
  • Agriculture
  • Intensive Animal Feeding Operations
  • Upstream Impoundment
  • Moderate
  • Moderate
  • Moderate
Unionized Ammonia Overall Use Support Moderate
  • Intensive Animal Feeding Operations
  • Moderate
Unionized Ammonia Aquatic Life Support Moderate
  • Intensive Animal Feeding Operations
  • Moderate