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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2007-10-01 | 2026-01-23 | |
| Daily Data | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1982-05-01 | 2026-01-22 | 15929 |
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1967-10-01 | 1982-04-30 | 5326 |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 1982-05-01 | 2026-01-22 | 15926 |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 1967-10-01 | 1982-04-30 | 5326 |
| Daily Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1982-05-01 | 2025-11-16 | 15862 |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 1982-05-01 | 2025-11-16 | 15859 |
| Monthly Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1982-05 | 2025-11 | |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 1982-05 | 2025-11 | |
| Annual Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1982 | 2026 | |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 1982 | 2026 | |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1961-06-08 | 1974-06-19 | 9 |
| Water-Year Summary | 2005 | 2025 | 21 |
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