Ventura Marsh IA 02-WIN-844
Cerro Gordo County S19T96NR22W at Ventura.
This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.
Assessment Cycle
1998
Result Period
1994 - 1996
Designations
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 02-WIN-00465-L_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments
Assessment based on surveys of Iowa DNR Wildlife Bureau.
Basis for Assessment
Comments of DNR Wildlife Biologist indicate that, in addition to siltation, nutrients from agricultural sources also contribute to PS use status.
Monitoring and Methods
Assessment Key Dates
Methods
| 120 | Surveys of fish and game biologists/other professionals |
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 |
|---|---|---|---|---|
| Algal Grwth/Chlorophyll a | Overall Use Support | Moderate |
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| Algal Grwth/Chlorophyll a | Aquatic Life Support | Moderate |
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| Exotic species | Overall Use Support | Moderate |
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| Exotic species | Aquatic Life Support | Moderate |
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| Suspended solids | Overall Use Support | Moderate |
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| Suspended solids | Aquatic Life Support | Moderate |
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| Turbidity | Overall Use Support | Moderate |
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| Turbidity | Aquatic Life Support | Moderate |
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