Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Silver Lake IA 06-LSR-1669

Dickinson County S28T100NR38W near Lake Park.

Assessment Cycle
1998
Result Period
1994 - 1996
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 06-LSR-03105-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Primary Contact Recreation
Threatened
Drinking Water
Fully
Documentation
Assessment Comments

Monitored in 1990 by ISU as part of the Clean Lakes Classification study (1994); in 1993 & 1995 for surveys of Water Supply Reservoirs (Miller and Kennedy 1993 & 1995).

Basis for Assessment

Used assessments of support of the Class A primary contact recreation uses (FST), Class B(LW) aquatic life uses (=FST), and the Class C drinking water uses (=FS) developed for the 1994 and 1996 reports.   These assessments were reviewed in 1998 by the DNR Fisheries Bureau; no changes in the assessments were recommended.

Monitoring and Methods
Assessment Key Dates
Methods
340 Primary producer surveys (phytoplankton/periphyton/macrophyton)
120 Surveys of fish and game biologists/other professionals
222 Non-fixed-station monitoring (conventional during key seasons and flows)
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