Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Howerdon Creek IA 04-LDM-1110

mouth (S17 T76N R28W Madison Co.) to confluence with unnamed tributary in SW 1/4 S25 T76N R29W Madison Co.

Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 04-LDM-0318_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Documentation
Assessment Comments

Stream use assessment.

Basis for Assessment

Used data from 1995 biocriteria site for use support determination.   Same location as stream use assessment site.  Habitat and fish results were similar.

Monitoring and Methods
Assessment Key Dates
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 0
BioIntegrity N/A