Iowa DNR
Iowa DNR

ADBNet

Water Quality Assessments
Impaired Waters List

Nelson Park Lake IA 06-BOY-1506

Crawford County S2T82NR41W 4 mi. WNW of Dow City.

Assessment Cycle
1998
Result Period
1994 - 1996
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 06-BOY-00267-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Primary Contact Recreation
Threatened
Documentation
Assessment Comments

Monitored by ISU in 1990 for Clean Lakes Classification Study (1994), no change from the 1996 assessment.

Basis for Assessment

The assessments developed for the 1994 and 1996 reports were reviewed and approved by the DNR Fisheries Bureau.   Thus, both the Class A (primary contact recreation) uses and the Class B(LW) aquatic life uses are assessed as FST.

Monitoring and Methods
Assessment Key Dates
Methods
120 Surveys of fish and game biologists/other professionals
222 Non-fixed-station monitoring (conventional during key seasons and flows)
340 Primary producer surveys (phytoplankton/periphyton/macrophyton)
150 Monitoring data more than 5 years old
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