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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2007-10-01 | 2025-12-02 | |
| Daily Data | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1847-10-18 | 2025-12-01 | 14906 |
| Daily Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1847-10-18 | 2025-07-29 | 14781 |
| Monthly Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1847-10 | 2025-07 | |
| Annual Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1848 | 2025 | |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1960-02-29 | 2024-02-28 | 553 |
| Water-Year Summary | 2005 | 2024 | 20 |
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