South Twin Lake IA 04-RAC-1168
Calhoun County S1T88NR33W 3 mi N of Rockwell City.
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
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 04-RAC-01395-L_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments
Assessment based on reports by IDNR Wildlife Bureau.
Basis for Assessment
Used assessment of support of the Class B(LW) uses developed for the 1994 report (=PS).
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 |
|---|---|---|---|---|
| Exotic species | Overall Use Support | Moderate |
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| Exotic species | 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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| Siltation | Overall Use Support | Slight |
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| Siltation | Aquatic Life Support | Slight |
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