Iowa DNR
Iowa DNR

ADBNet

Water Quality Assessments
Impaired Waters List

Hickory Creek IA 04-RAC-1141

mouth (S17 T79N R27W Dallas Co.) to confluence with unnamed tributary in S16 T79N R27W Dallas Co.

Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 04-RAC-0051_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Documentation
Assessment Comments

Assessment is based on results of a May 1994 DNR stream use assessment.

Basis for Assessment

Used results of the May 1994 DNR stream use assessment to assess support of the Class B(LR) aquatic life uses as FST due to (1) habitat score (22) equal to the overall median score for DNR stream use assessments, (2) indications on field sheet of diverse substrates, several pool/riffle sequences, only isolated channel alterations, and relatively stable stream banks, and (3) fish score (11) better than 75th percentile score for stream assessments made with seines.   Number of species relatively low (7) for region, but note on field sheet states that effective seining was hindered by rocks and snags.   Field sheet does not suggest threats to continued support of the aquatic life uses.

Monitoring and Methods
Assessment Key Dates
5/10/1994 Biological Monitoring
Methods
330 Fish surveys
375 Visual observation-- may not quantify some parameters-- single season-- by prof.
Monitoring Levels
Biological 2
Habitat 3
Physical Chemistry 0
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 0
BioIntegrity N/A