| Below Summer Minimum |
- Boating and recreational access are limited.
- Winter Operations: Water is lowered to prevent ice damage and capture spring snowmelt.
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| At Summer Water Level |
- Standard operational levels.
- No flooding occurs.
|
| Above Summer Maximum |
- Elevated Water Levels.
- No flooding occurs.
|
| Action Stage |
- Water levels rise to approach the top of banks in low-lying areas.
- No flooding occurs.
- Serves as a flood watch for communities to monitor conditions.
|
| Minor Flooding |
- Localized inundation begins in isolated or low-lying areas.
- An entire lake Slow-No-Wake Order is likely issued.
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| Moderate Flooding |
- Structures are threatened; water may enter buildings without sandbagging.
- Road closures are expected.
- High lake levels slow down storm sewers, increasing urban flash flood risks.
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| Major Flooding |
- Significant water entry into buildings is imminent.
- Widespread road closures and travel disruptions.
- Evacuations are likely. Extreme urban flash flood risk.
|