site_no stringclasses 7
values | date stringdate 2025-12-01 00:00:00 2026-03-31 00:00:00 | discharge_cfs float64 0.39 31.6k ⌀ | role stringclasses 7
values | phase stringclasses 4
values | name stringclasses 7
values | latitude float64 38.3 39.3 | longitude float64 -77.54 -76.73 |
|---|---|---|---|---|---|---|---|
01638500 | 2026-03-11 | 12,500 | upstream_control | bypass_period | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-12 | 11,000 | upstream_control | bypass_period | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-13 | 10,700 | upstream_control | bypass_period | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-14 | 10,700 | upstream_control | bypass_period | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-15 | 9,940 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-16 | 9,210 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-17 | 10,000 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-18 | 10,700 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-19 | 11,200 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-20 | 10,500 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-21 | 9,750 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-22 | 9,170 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-23 | 8,680 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-24 | 8,280 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-25 | 8,080 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-26 | 7,770 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-27 | 7,340 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-28 | 7,320 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-29 | 8,130 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-30 | 8,340 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01638500 | 2026-03-31 | 7,590 | upstream_control | post_recovery | Potomac River at Point of Rocks, MD | 39.273583 | -77.543111 |
01646000 | 2025-12-01 | 9.38 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-02 | 98.6 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-03 | 39.2 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-04 | 14.6 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-05 | 11.5 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-06 | 11.1 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-07 | 10.1 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-08 | 9.16 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-09 | 8.78 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-10 | 9.21 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-11 | 9.25 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-12 | 8.66 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-13 | 8.2 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-14 | 9.45 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-15 | 9.75 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-16 | 8.52 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-17 | 8.81 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-18 | 9.8 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-19 | 22.1 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-20 | 18.9 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-21 | 11.1 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-22 | 9.4 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-23 | 9.68 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-24 | 10 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-25 | 9.19 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-26 | 8.98 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-27 | 8.91 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-28 | 8.85 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-29 | 9.43 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-30 | 9.74 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2025-12-31 | 9.08 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-01 | 9.19 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-02 | 9.06 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-03 | 8.83 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-04 | 8.64 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-05 | 8.63 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-06 | 8.94 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-07 | 9.14 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-08 | 8.92 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-09 | 8.8 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-10 | 133 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-11 | 87.6 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-12 | 21.7 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-13 | 14.7 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-14 | 13 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-15 | 12 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-16 | 10.9 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-17 | 10.3 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-18 | 11.7 | upstream_chain_bridge | pre_spill_baseline | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-19 | 12.1 | upstream_chain_bridge | active_release | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-20 | 10.3 | upstream_chain_bridge | active_release | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-21 | 9.51 | upstream_chain_bridge | active_release | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-22 | 10.1 | upstream_chain_bridge | active_release | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-23 | 10.2 | upstream_chain_bridge | active_release | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-24 | 9.12 | upstream_chain_bridge | active_release | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-25 | 9.79 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-26 | 23.7 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-27 | 15.6 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-28 | 12.1 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-29 | 11.3 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-30 | 11.1 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-01-31 | 11.3 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-01 | 12.3 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-02 | 12.6 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-03 | 13.5 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-04 | 13.7 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-05 | 13.1 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-06 | 12.3 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-07 | 11.4 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-08 | 10.8 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-09 | 11.3 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-10 | 14.1 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-11 | 19.8 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-12 | 38.8 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-13 | 18.8 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-14 | 17.9 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-15 | 47 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-16 | 276 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
01646000 | 2026-02-17 | 67.4 | upstream_chain_bridge | bypass_period | Potomac River near Washington, DC (Chain Bridge) | 38.975943 | -77.245814 |
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