Big Marsh IA 02-WFC-803
Butler County S25T91NR17W 5 mi N of Parkersburg.
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-WFC-00260-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
Downgraded the assessement of support of the Class B(LW) aquatic life uses from FST to PS at the recommendation of the DNR Wildlife Bureau. This wetland is impaired by by nonpoint source delivery of silt from its watershed. Other threats include reed's canarygrass and flooding.
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 |
|---|---|---|---|---|
| Noxious aquatic plants | Overall Use Support | Moderate |
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| Noxious aquatic plants | Aquatic Life Support | Moderate |
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| Siltation | Overall Use Support | Moderate |
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| Siltation | Aquatic Life Support | Moderate |
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