Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Dry Run IA 02-CED-554

mouth (S18 T89N R13W Black Hawk Co.) to confluence with unnamed tributary in S23 T89N R14W BlackHawk Co

Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 02-CED-0390_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Documentation
Assessment Comments

Stream use assessment in Black Hawk County.

Basis for Assessment

Used assessment of support of the B(LR) aquatic life uses developed for the 1994 report (PS).

Monitoring and Methods
Assessment Key Dates
6/1/1992 DNR Stream Use Assessment
Methods
330 Fish surveys
375 Visual observation-- may not quantify some parameters-- single season-- by prof.
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
Causes and Sources of Impairment
Causes Use Support Cause Magnitude Sources Source Magnitude
Cause Unknown Aquatic Life Support Moderate
  • Industrial Point Sources
  • Source Unknown
  • Urban Runoff/Storm Sewers
  • Moderate
  • Moderate
  • Moderate