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