Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Long Creek IA 02-IOW-660

from confluence with unnamed tributary in N1/2 S21 T74N R4W Louisa Co. to N line S3 T74N R5W Louisa Co.

Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 02-IOW-0090_2
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Documentation
Assessment Comments

1995 biocriteria: habscr/fshscr=27/12 (shock); 1995 Biocriteria: Fish IBI= 56(good), BM-IBI= 46(fair).

Basis for Assessment

Data from one biocriteria sampling location in B(LR) segment was used.  Habitat and fish metrics developed in stream use assessment project were applied to evaluate aquatic life use support.

Monitoring and Methods
Assessment Key Dates
9/26/1995 Biological Monitoring
Methods
320 Benthic macroinvertebrate surveys
330 Fish surveys
380 Quan. measurements of instream parms-- channel morphology-- floodplain-- 1-2 seasons-- by prof
220 Non-fixed station physical/chemical monitoring (conventional pollutant only)
315 Regional reference site approach
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 Fair