Clear Lake IA 02-WIN-841
Cerro Gordo County S13T96NR22W at Clear Lake.
This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.
Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 02-WIN-00450-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Fully
Primary Contact Recreation
Threatened
Drinking Water
Not assessed
Documentation
Assessment Comments
Assessment is based on results of water quality monitoring, RAFT tissue sampling, and surveys of the DNR Fisheries Bureau.
Basis for Assessment
Used assessments of support of the Class A (primary contact) uses (=FST), the Class B(LW) aquatic life uses (=FST), and the fish consumption uses (=FS) developed for the 1994 report.
Monitoring and Methods
Assessment Key Dates
Methods
| 420 | Water column surveys (e.g. fecal coliform) |
| 120 | Surveys of fish and game biologists/other professionals |
| 240 | Non-fixed station physical/chemical (conventional + toxicants) |
| 260 | Fish tissue analysis |
Monitoring Levels
| Biological | 0 |
| Habitat | 0 |
| Physical Chemistry | 3 |
| 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 |
|---|---|---|---|---|
| Algal Grwth/Chlorophyll a | Overall Use Support | Slight |
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| Algal Grwth/Chlorophyll a | Primary Contact Recreation | Slight |
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| Nutrients | Overall Use Support | Slight |
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| Nutrients | Primary Contact Recreation | Slight |
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| Suspended solids | Overall Use Support | Slight |
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| Suspended solids | Primary Contact Recreation | Slight |
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