Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

East Fork Crooked Creek IA 03-SKU-919

mouth to Phillips Cr S8T73NR5W HenryCo

Assessment Cycle
1998
Result Period
1994 - 1996
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 03-SKU-0125_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

Stream use assessment.

Basis for Assessment

Continued to use the assessment of support of the Class B(LR) aquatic life uses developed for the 1996 report (=PS).   Follow-up monitoring is needed to determine the status of the aquatic communities and habitats and to determine the degree to which the Class B(LR) uses may be impaired.  Because the data used for this assessment are more than 5 years old, the 305(b) assessment category was changed from "monitored" to "evaluated."  A review of the field sheet from the July 1991 DNR stream use assessments shows (1) that the fish community (3 spp.) lacked most of the expected species/genera for Class B(LR) streams in this region and (2) that sampling (i.e., seining) was hindered by "lot of snags" in the creek.  Follow-up monitoring is needed.

Monitoring and Methods
Assessment Key Dates
7/1/1991 DNR Stream Use Assessment
Methods
330 Fish surveys
375 Visual observation-- may not quantify some parameters-- single season-- by prof.
150 Monitoring data more than 5 years old
Monitoring Levels
Biological 3
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