Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Crane Creek IA 01-TRK-211

from confluence with unnamed tributary (NE 1/4 NW 1/4 S4 T95N R11W Chickasaw Co.) to confluence with Spring Cr. in S17 T98N R12W Howard Co.

Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-TRK-0440_2
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

1995 stream use assessment site and 1994 biocriteria site as same site in Howard Co. 1997 fishkill near Jerico.

Basis for Assessment

Used data from one stream assessment site and a biocriteria sampling site in Howard County.   Habitat quality at both sites was fair to good.   Fish community was very diverse and included rare and intolerant species including Am.  brook lamprey and small mouth bass.

Monitoring and Methods
Assessment Key Dates
9/7/1994 Biological Monitoring
Methods
220 Non-fixed station physical/chemical monitoring (conventional pollutant only)
315 Regional reference site approach
320 Benthic macroinvertebrate surveys
330 Fish surveys
380 Quan. measurements of instream parms-- channel morphology-- floodplain-- 1-2 seasons-- by prof
Monitoring Levels
Biological 4
Habitat 4
Physical Chemistry 1
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 1
BioIntegrity Good
Causes and Sources of Impairment
Causes Use Support Cause Magnitude Sources Source Magnitude
Unknown toxicity Overall Use Support Moderate
  • Source Unknown
  • Moderate
Other habitat alterations Overall Use Support Not Impairing
  • Agriculture
  • Bank or Shoreline Modification/Destabilization
  • Grazing related Sources
  • Habitat Modification (other than Hydromodification)
  • Pasture grazing - Riparian
  • Removal of Riparian Vegetation
  • Not Impairing
  • Not Impairing
  • Not Impairing
  • Not Impairing
  • Not Impairing
  • Not Impairing