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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2007-10-01 | 2025-09-10 | |
| Daily Data | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 1900-07-22 | 2025-09-09 | 49268 |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 1900-07-22 | 2002-09-30 | 37042 |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 2002-10-01 | 2025-09-09 | 8377 |
| Daily Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 2002-10-01 | 2025-07-14 | 8320 |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 2002-10-01 | 2025-07-14 | 8320 |
| Monthly Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 2002-10 | 2025-07 | |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 2002-10 | 2025-07 | |
| Annual Statistics | |||
| Lake or reservoir water surface elevation above NGVD 1929, feet | 2003 | 2025 | |
| Lake or reservoir water surface elevation above NAVD 1988, feet | 2003 | 2025 | |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1963-06-25 | 1967-04-05 | 4 |
| Water-Year Summary | 2005 | 2024 | 20 |
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