Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

Maple River IA 06-LSR-1581

mouth (S17, T83N, R44W, Monona Co.) to confluence with unnamed tributary approximately 1 mile east of Danbury in SW 1/4, NE 1/4, S26, T86N, R42W, Woodbury Co.

Assessment Cycle
1992
Release Status
Final
Result Period
1988 - 1990
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 06-LSR-0070_1
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

Assessment is based on BPJ of Field office staff.

Basis for Assessment

Reach was assessed only with BPJ of DNR field staff:  reach was assessed as PS due to impacts from siltation and nutrients from agricultural NPS.

Monitoring and Methods
Assessment Key Dates
Methods
375 Visual observation-- may not quantify some parameters-- single season-- by prof.
Monitoring Levels
Biological 0
Habitat 0
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