Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Chequest Creek IA 04-LDM-1030

mouth (S27 T69N R10W Van Buren Co.) to confluence with North Chequest Cr. in S25 T70N R13W Davis Co.

Assessment Cycle
2002
Result Period
1998 - 2000
Designations
Assessment Methodology
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 04-LDM-0070_0
Overall Use Support
Fully
Aquatic Life Use Support
Fully
Documentation
Assessment Comments

Assessment is based on results of 1997 Biocriteria sampling: Fish IBI=46(fair), BM-IBI=75(good).; 21 spp, 5 fams.

Basis for Assessment

SUMMARY:  The Class B(LR) aquatic life uses remain assessed as "fully supported."  EXPLANATION:  The aquatic life uses remain assessed as "fully supported" based on results of IDNR/UHL biological monitoring conducted on this stream segment in 1997 (see assessment for the 2000 report above).   These data are less than five years old and, according to IDNR's methodology for Section 305(b) assessments, are thus appropriate for characterizing current water quality conditions.

Monitoring and Methods
Assessment Key Dates
7/17/1997 Biological Monitoring
Methods
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
320 Benthic macroinvertebrate surveys
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