All regions / Yorkshire / River Calder
Mirfield
Riverside below Mirfield and the canal towpath. 42 km from the source, 165 monitors upstream.
Spill upstream in the last 24 hours
Monitor data updated 31 minutes ago · 04:35 BST
- Discharging now
- 0
- Spills, last 48h
- 29
- Spills, last 30 days
- 98
- Upstream monitors
- 165 2 offline
- Mirfield
- Discharging
- Monitor
- Offline
Last 30 days
Upstream overflows were discharging on 9 of the last 30 days, for 32.4 hours in total.
16 Sep
Today
98 spills recorded
| Started | Duration | Monitor | Watercourse |
|---|---|---|---|
| Thu 15 Oct, 04:00 | 1 min | YWS01879 | River Colne |
| Wed 14 Oct, 13:32 | 14 min | YWS01879 | River Colne |
| Wed 14 Oct, 06:48 | 28 min | YWS01879 | River Colne |
| Wed 14 Oct, 05:45 | 1 min | YWS01879 | River Colne |
| Wed 14 Oct, 05:32 | -4121 min | YWS01879 | River Colne |
| Wed 14 Oct, 04:47 | 29 min | YWS01879 | River Colne |
| Wed 14 Oct, 04:00 | 1 min | YWS01879 | River Colne |
| Wed 14 Oct, 01:45 | 1 min | YWS01879 | River Colne |
| Wed 14 Oct, 01:32 | 14 min | YWS01879 | River Colne |
| Tue 13 Oct, 19:30 | 1 min | YWS01879 | River Colne |
| Tue 13 Oct, 08:56 | 33 min | YWS01858 | River Colne |
| Tue 13 Oct, 08:47 | 14 min | YWS01769 | River Calder |
| Tue 13 Oct, 08:33 | 51 min | YWS01030 | River Calder |
| Tue 13 Oct, 08:33 | 43 min | YWS02151 | River Calder |
| Tue 13 Oct, 08:32 | 14 min | YWS01767 | River Calder |
| Tue 13 Oct, 08:31 | 21 min | YWS01422 | Hebble Brook |
| Tue 13 Oct, 08:30 | 1 min | YWS01401 | River Colne |
| Tue 13 Oct, 08:24 | 52 min | YWS01305 | River Calder |
| Tue 13 Oct, 08:22 | 0 min | YWS01567 | Hebble Brook |
| Tue 13 Oct, 08:17 | 14 min | YWS01401 | River Colne |
| Tue 13 Oct, 08:12 | 5 min | YWS01603 | Hebble Brook |
| Tue 13 Oct, 08:12 | 24 min | YWS01804 | River Calder |
| Tue 13 Oct, 08:09 | 5 min | YWS01751 | River Calder |
| Tue 13 Oct, 08:06 | 2 min | YWS01606 | Hebble Brook |
| Tue 13 Oct, 08:05 | 9 min | YWS00005 | River Calder |
| Tue 13 Oct, 08:04 | 10 min | YWS02122 | River Ryburn |
| Tue 13 Oct, 08:04 | 0 min | YWS02120 | River Calder |
| Tue 13 Oct, 08:03 | 2 min | YWS02119 | River Calder |
| Tue 13 Oct, 07:55 | 2 min | YWS01748 | Hebden Water |
| Tue 13 Oct, 07:51 | 7 min | YWS01953 | River Calder |
| Tue 13 Oct, 01:52 | 0 min | YWS01964 | River Colne |
| Tue 13 Oct, 00:10 | 0 min | YWS01916 | River Colne |
| Fri 9 Oct, 19:56 | 23 min | YWS01994 | Hebble Brook |
| Fri 9 Oct, 19:54 | 27 min | YWS00652 | Hebble Brook |
| Fri 9 Oct, 19:47 | 14 min | YWS01313 | River Calder |
| Fri 9 Oct, 15:15 | 1 min | YWS02074 | River Colne |
| Fri 9 Oct, 12:52 | 0 min | YWS00923 | River Ryburn |
| Fri 9 Oct, 11:33 | 1 min | YWS00817 | River Calder |
| Fri 9 Oct, 11:30 | 1 min | YWS01421 | Hebble Brook |
| Fri 9 Oct, 11:25 | 0 min | YWS01395 | River Calder |
| Fri 9 Oct, 11:13 | 21 min | YWS01402 | River Colne |
| Fri 9 Oct, 10:47 | 14 min | YWS01409 | River Colne |
| Fri 9 Oct, 06:44 | 1 min | YWS01394 | River Colne |
| Fri 9 Oct, 06:16 | 0 min | YWS01396 | River Colne |
| Fri 9 Oct, 05:29 | 19 min | YWS01428 | River Colne |
| Fri 9 Oct, 05:02 | 26 min | YWS00969 | River Colne |
| Fri 9 Oct, 05:02 | 14 min | YWS02169 | River Colne |
| Fri 9 Oct, 04:55 | 11 min | YWS00742 | River Holme |
| Fri 9 Oct, 04:50 | 0 min | YWS00665 | River Calder |
| Fri 9 Oct, 04:33 | 2 min | YWS00952 | River Calder |
| Fri 9 Oct, 04:25 | 21 min | YWS00972 | River Colne |
| Fri 9 Oct, 04:21 | 8 min | YWS01429 | Clifton Beck |
| Fri 9 Oct, 04:19 | 21 min | YWS00164 | River Colne |
| Fri 9 Oct, 04:17 | 30 min | YWS00668 | River Calder |
| Fri 9 Oct, 04:17 | 14 min | YWS02064 | River Colne |
| Fri 9 Oct, 04:17 | 14 min | YWS00625 | River Colne |
| Fri 9 Oct, 04:17 | 29 min | YWS00789 | Hebble Brook |
| Fri 9 Oct, 04:17 | 14 min | YWS00141 | River Calder |
| Fri 9 Oct, 04:17 | 29 min | YWS00069 | River Colne |
| Fri 9 Oct, 04:17 | 14 min | YWS01602 | Hebble Brook |
| Fri 9 Oct, 04:17 | 44 min | YWS02065 | River Colne |
| Fri 9 Oct, 04:17 | 29 min | YWS02072 | River Colne |
| Fri 9 Oct, 04:17 | 29 min | YWS00788 | River Colne |
| Fri 9 Oct, 04:15 | 77 min | YWS01852 | River Colne |
| Fri 9 Oct, 04:12 | 31 min | YWS01771 | River Holme |
| Fri 9 Oct, 04:11 | 7 min | YWS01773 | River Calder |
| Fri 9 Oct, 04:09 | 12 min | YWS01763 | River Colne |
| Fri 9 Oct, 04:05 | 11 min | YWS00153 | Black Brook |
| Fri 9 Oct, 04:02 | 59 min | YWS01972 | River Colne |
| Fri 9 Oct, 03:53 | 84 min | YWS01775 | River Ryburn |
| Fri 9 Oct, 03:48 | 58 min | YWS02007 | River Calder |
| Tue 6 Oct, 23:58 | 86 min | YWS01397 | River Calder |
| Tue 6 Oct, 23:00 | 1 min | YWS00971 | River Calder |
| Tue 6 Oct, 22:52 | 39 min | YWS02174 | River Holme |
| Tue 6 Oct, 22:47 | 14 min | YWS01768 | River Calder |
| Tue 6 Oct, 22:45 | 6 min | YWS01777 | River Calder |
| Tue 6 Oct, 22:32 | 14 min | YWS01880 | River Colne |
| Tue 6 Oct, 22:32 | 29 min | YWS00159 | River Colne |
| Tue 6 Oct, 22:32 | 59 min | YWS02066 | River Colne |
| Tue 6 Oct, 22:32 | 14 min | YWS02076 | River Holme |
| Tue 6 Oct, 22:30 | 17 min | YWS00120 | River Colne |
| Tue 6 Oct, 22:28 | 24 min | YWS01783 | River Colne |
| Tue 6 Oct, 22:21 | 5 min | YWS01913 | River Colne |
| Tue 6 Oct, 22:21 | 13 min | YWS01915 | River Colne |
| Tue 6 Oct, 22:21 | 5 min | YWS01873 | River Colne |
| Tue 6 Oct, 22:18 | 57 min | YWS01762 | Fenay Beck |
| Tue 6 Oct, 22:17 | 12 min | YWS01427 | River Colne |
| Tue 6 Oct, 22:16 | 45 min | YWS02170 | River Colne |
| Tue 6 Oct, 22:08 | 16 min | YWS01911 | River Holme |
| Tue 6 Oct, 22:06 | 14 min | YWS01776 | River Holme |
| Tue 6 Oct, 22:02 | 62 min | YWS00743 | River Holme |
| Tue 6 Oct, 22:02 | 14 min | YWS01403 | River Colne |
| Tue 6 Oct, 22:00 | 61 min | YWS01765 | River Holme |
| Tue 6 Oct, 17:59 | 10 min | YWS02149 | Black Brook |
| Tue 6 Oct, 17:48 | 28 min | YWS00994 | Black Brook |
| Tue 6 Oct, 17:45 | 10 min | YWS01904 | Black Brook |
| Mon 28 Sep, 07:17 | 0 min | YWS00667 | River Calder |
| Wed 23 Sep, 21:51 | 83 min | YWS01757 | River Calder |
Upstream storm overflows
Nearest first. Distances follow the water, including tributaries.| Monitor | Watercourse | Upstream | Status | Last spill | Duration | Spills, 30 days |
|---|---|---|---|---|---|---|
| YWS00971 River Calder · 3.1 km | River Calder | 3.1 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 1 min | 1 |
| YWS00972 River Colne · 3.1 km | River Colne | 3.1 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 21 min | 1 |
| YWS01395 River Calder · 3.7 km | River Calder | 3.7 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 0 min | 1 |
| YWS01397 River Calder · 3.7 km | River Calder | 3.7 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 86 min | 1 |
| YWS01394 River Colne · 4.2 km | River Colne | 4.2 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 1 min | 1 |
| YWS01396 River Colne · 4.8 km | River Colne | 4.8 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 0 min | 1 |
| YWS00141 River Calder · 5.8 km | River Calder | 5.8 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 14 min | 1 |
| YWS00164 River Colne · 6.7 km | River Colne | 6.7 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 21 min | 1 |
| YWS01767 River Calder · 7.0 km | River Calder | 7.0 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 14 min | 1 |
| YWS01769 River Calder · 7.0 km | River Calder | 7.0 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 14 min | 1 |
| YWS01768 River Calder · 7.0 km | River Calder | 7.0 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 14 min | 1 |
| YWS01762 Fenay Beck · 7.0 km | Fenay Beck | 7.0 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 57 min | 1 |
| YWS01777 River Calder · 7.2 km | River Calder | 7.2 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 6 min | 1 |
| YWS01757 River Calder · 7.3 km | River Calder | 7.3 km | Not discharging Last spill 3 weeks ago · 1 in 30 days | 3 weeks ago | 83 min | 1 |
| YWS01858 River Colne · 7.5 km | River Colne | 7.5 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 33 min | 1 |
| YWS00159 River Colne · 7.5 km | River Colne | 7.5 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 29 min | 1 |
| YWS00069 River Colne · 7.5 km | River Colne | 7.5 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 29 min | 1 |
| YWS00788 River Colne · 7.5 km | River Colne | 7.5 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 29 min | 1 |
| YWS02170 River Colne · 7.5 km | River Colne | 7.5 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 45 min | 1 |
| YWS00952 River Calder · 7.6 km | River Calder | 7.6 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 2 min | 1 |
| YWS02072 River Colne · 7.7 km | River Colne | 7.7 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 29 min | 1 |
| YWS02066 River Colne · 8.0 km | River Colne | 8.0 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 59 min | 1 |
| YWS02065 River Colne · 8.5 km | River Colne | 8.5 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 44 min | 1 |
| YWS01783 River Colne · 8.7 km | River Colne | 8.7 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 24 min | 1 |
| YWS00120 River Colne · 8.9 km | River Colne | 8.9 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 17 min | 1 |
| YWS01915 River Colne · 8.9 km | River Colne | 8.9 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 13 min | 1 |
| YWS01916 River Colne · 9.0 km | River Colne | 9.0 km | Not discharging Last spill 2 days ago · 1 in 30 days | 2 days ago | 0 min | 1 |
| YWS01852 River Colne · 9.0 km | River Colne | 9.0 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 77 min | 1 |
| YWS01429 Clifton Beck · 9.5 km | Clifton Beck | 9.5 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 8 min | 1 |
| YWS02064 River Colne · 9.6 km | River Colne | 9.6 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 14 min | 1 |
| YWS01913 River Colne · 9.8 km | River Colne | 9.8 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 5 min | 1 |
| YWS02169 River Colne · 10.9 km | River Colne | 10.9 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 14 min | 1 |
| YWS01763 River Colne · 10.9 km | River Colne | 10.9 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 12 min | 1 |
| YWS02076 River Holme · 11.1 km | River Holme | 11.1 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 14 min | 1 |
| YWS00625 River Colne · 11.1 km | River Colne | 11.1 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 14 min | 1 |
| YWS01880 River Colne · 11.2 km | River Colne | 11.2 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 14 min | 1 |
| YWS01879 River Colne · 11.2 km | River Colne | 11.2 km | Monitor offline Last spill 1 hour ago · 10 in 30 days | 1 hour ago | 1 min | 10 |
| YWS01773 River Calder · 11.6 km | River Calder | 11.6 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 7 min | 1 |
| YWS00665 River Calder · 12.5 km | River Calder | 12.5 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 0 min | 1 |
| YWS02074 River Colne · 12.7 km | River Colne | 12.7 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 1 min | 1 |
| YWS00742 River Holme · 12.9 km | River Holme | 12.9 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 11 min | 1 |
| YWS01964 River Colne · 12.9 km | River Colne | 12.9 km | Not discharging Last spill 2 days ago · 1 in 30 days | 2 days ago | 0 min | 1 |
| YWS01972 River Colne · 13.1 km | River Colne | 13.1 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 59 min | 1 |
| YWS01873 River Colne · 13.1 km | River Colne | 13.1 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 5 min | 1 |
| YWS00743 River Holme · 13.4 km | River Holme | 13.4 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 62 min | 1 |
| YWS00668 River Calder · 14.0 km | River Calder | 14.0 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 30 min | 1 |
| YWS00667 River Calder · 14.0 km | River Calder | 14.0 km | Not discharging Last spill 2 weeks ago · 1 in 30 days | 2 weeks ago | 0 min | 1 |
| YWS01409 River Colne · 14.5 km | River Colne | 14.5 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 14 min | 1 |
| YWS00994 Black Brook · 14.8 km | Black Brook | 14.8 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 28 min | 1 |
| YWS02149 Black Brook · 14.8 km | Black Brook | 14.8 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 10 min | 1 |
| YWS01427 River Colne · 14.9 km | River Colne | 14.9 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 12 min | 1 |
| YWS02174 River Holme · 15.1 km | River Holme | 15.1 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 39 min | 1 |
| YWS00153 Black Brook · 15.1 km | Black Brook | 15.1 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 11 min | 1 |
| YWS01771 River Holme · 15.2 km | River Holme | 15.2 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 31 min | 1 |
| YWS00969 River Colne · 15.3 km | River Colne | 15.3 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 26 min | 1 |
| YWS01403 River Colne · 15.4 km | River Colne | 15.4 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 14 min | 1 |
| YWS01421 Hebble Brook · 15.5 km | Hebble Brook | 15.5 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 1 min | 1 |
| YWS01765 River Holme · 15.7 km | River Holme | 15.7 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 61 min | 1 |
| YWS01911 River Holme · 15.7 km | River Holme | 15.7 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 16 min | 1 |
| YWS01428 River Colne · 15.9 km | River Colne | 15.9 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 19 min | 1 |
| YWS01422 Hebble Brook · 15.9 km | Hebble Brook | 15.9 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 21 min | 1 |
| YWS01904 Black Brook · 16.0 km | Black Brook | 16.0 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 10 min | 1 |
| YWS01402 River Colne · 17.4 km | River Colne | 17.4 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 21 min | 1 |
| YWS01751 River Calder · 19.3 km | River Calder | 19.3 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 5 min | 1 |
| YWS02119 River Calder · 19.5 km | River Calder | 19.5 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 2 min | 1 |
| YWS01994 Hebble Brook · 19.7 km | Hebble Brook | 19.7 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 23 min | 1 |
| YWS02120 River Calder · 19.9 km | River Calder | 19.9 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 0 min | 1 |
| YWS01775 River Ryburn · 19.9 km | River Ryburn | 19.9 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 84 min | 1 |
| YWS02122 River Ryburn · 20.1 km | River Ryburn | 20.1 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 10 min | 1 |
| YWS00005 River Calder · 20.4 km | River Calder | 20.4 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 9 min | 1 |
| YWS00652 Hebble Brook · 20.5 km | Hebble Brook | 20.5 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 27 min | 1 |
| YWS01567 Hebble Brook · 21.0 km | Hebble Brook | 21.0 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 0 min | 1 |
| YWS01776 River Holme · 21.0 km | River Holme | 21.0 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 14 min | 1 |
| YWS01603 Hebble Brook · 21.4 km | Hebble Brook | 21.4 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 5 min | 1 |
| YWS00817 River Calder · 21.5 km | River Calder | 21.5 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 1 min | 1 |
| YWS01401 River Colne · 21.7 km | River Colne | 21.7 km | Spilled in the last 48h Last spill 1 day ago · 2 in 30 days | 1 day ago | 1 min | 2 |
| YWS01602 Hebble Brook · 23.4 km | Hebble Brook | 23.4 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 14 min | 1 |
| YWS00923 River Ryburn · 23.8 km | River Ryburn | 23.8 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 0 min | 1 |
| YWS01606 Hebble Brook · 23.9 km | Hebble Brook | 23.9 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 2 min | 1 |
| YWS02151 River Calder · 24.4 km | River Calder | 24.4 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 43 min | 1 |
| YWS00789 Hebble Brook · 26.6 km | Hebble Brook | 26.6 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 29 min | 1 |
| YWS01305 River Calder · 28.0 km | River Calder | 28.0 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 52 min | 1 |
| YWS01804 River Calder · 28.1 km | River Calder | 28.1 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 24 min | 1 |
| YWS01313 River Calder · 28.6 km | River Calder | 28.6 km | Not discharging Last spill 5 days ago · 1 in 30 days | 5 days ago | 14 min | 1 |
| YWS01748 Hebden Water · 29.5 km | Hebden Water | 29.5 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 2 min | 1 |
| YWS01030 River Calder · 30.9 km | River Calder | 30.9 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 51 min | 1 |
| YWS02007 River Calder · 38.0 km | River Calder | 38.0 km | Not discharging Last spill 6 days ago · 1 in 30 days | 6 days ago | 58 min | 1 |
| YWS01182 Walsden Water · 38.6 km | Walsden Water | 38.6 km | Monitor offline Last spill 10 months ago · 0 in 30 days | 10 months ago | 1 min | 0 |
| YWS01953 River Calder · 38.9 km | River Calder | 38.9 km | Spilled in the last 48h Last spill 1 day ago · 1 in 30 days | 1 day ago | 7 min | 1 |
| YWS01226 River Colne · 5.0 km | River Colne | 5.0 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 0 min | 0 |
| YWS01173 River Calder · 6.3 km | River Calder | 6.3 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 14 min | 0 |
| YWS01754 Fenay Beck · 6.6 km | Fenay Beck | 6.6 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 1 min | 0 |
| YWS00953 River Calder · 7.1 km | River Calder | 7.1 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 7 min | 0 |
| YWS00993 River Calder · 7.1 km | River Calder | 7.1 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 11 min | 0 |
| YWS01096 Fenay Beck · 7.1 km | Fenay Beck | 7.1 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 46 min | 0 |
| YWS01361 River Colne · 7.2 km | River Colne | 7.2 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 2 min | 0 |
| YWS00068 River Colne · 7.5 km | River Colne | 7.5 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 29 min | 0 |
| YWS01143 River Calder · 8.0 km | River Calder | 8.0 km | Not discharging Last spill none recorded · 0 in 30 days | None recorded | - | 0 |
| YWS01806 River Colne · 8.7 km | River Colne | 8.7 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 14 min | 0 |
| YWS01756 Clifton Beck · 10.1 km | Clifton Beck | 10.1 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 0 min | 0 |
| YWS01912 River Holme · 10.4 km | River Holme | 10.4 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 17 min | 0 |
| YWS02069 River Colne · 10.6 km | River Colne | 10.6 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 11 min | 0 |
| YWS02070 River Colne · 10.6 km | River Colne | 10.6 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 3 min | 0 |
| YWS02071 River Colne · 10.8 km | River Colne | 10.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 39 min | 0 |
| YWS02168 River Colne · 10.9 km | River Colne | 10.9 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 3 min | 0 |
| YWS02226 River Colne · 10.9 km | River Colne | 10.9 km | Not discharging Last spill none recorded · 0 in 30 days | None recorded | - | 0 |
| YWS02073 River Colne · 10.9 km | River Colne | 10.9 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 1 min | 0 |
| YWS00787 River Colne · 11.7 km | River Colne | 11.7 km | Not discharging Last spill 5 months ago · 0 in 30 days | 5 months ago | 11 min | 0 |
| YWS01910 River Holme · 12.1 km | River Holme | 12.1 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 14 min | 0 |
| YWS00666 River Calder · 12.5 km | River Calder | 12.5 km | Not discharging Last spill none recorded · 0 in 30 days | None recorded | - | 0 |
| YWS00856 River Calder · 12.5 km | River Calder | 12.5 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 9 min | 0 |
| YWS01491 River Calder · 12.5 km | River Calder | 12.5 km | Not discharging Last spill 6 years ago · 0 in 30 days | 6 years ago | 1204 min | 0 |
| YWS01963 River Calder · 12.8 km | River Calder | 12.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 29 min | 0 |
| YWS00875 River Calder · 12.8 km | River Calder | 12.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 10 min | 0 |
| YWS01962 River Calder · 12.9 km | River Calder | 12.9 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 3109 min | 0 |
| YWS01966 River Colne · 13.2 km | River Colne | 13.2 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 14 min | 0 |
| YWS01202 River Calder · 13.3 km | River Calder | 13.3 km | Not discharging Last spill 4 years ago · 0 in 30 days | 4 years ago | 62 min | 0 |
| YWS01770 Black Brook · 14.7 km | Black Brook | 14.7 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 29 min | 0 |
| YWS01772 Black Brook · 14.7 km | Black Brook | 14.7 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 2 min | 0 |
| YWS01408 River Colne · 15.1 km | River Colne | 15.1 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 13 min | 0 |
| YWS01407 River Colne · 15.1 km | River Colne | 15.1 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 21 min | 0 |
| YWS01307 River Holme · 15.7 km | River Holme | 15.7 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 1 min | 0 |
| YWS01404 River Colne · 15.7 km | River Colne | 15.7 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 2 min | 0 |
| YWS01420 River Calder · 15.7 km | River Calder | 15.7 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 0 min | 0 |
| YWS01766 River Holme · 15.8 km | River Holme | 15.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 10 min | 0 |
| YWS00151 Black Brook · 16.3 km | Black Brook | 16.3 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 15 min | 0 |
| YWS00740 Hebble Brook · 16.5 km | Hebble Brook | 16.5 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 23 min | 0 |
| YWS00089 River Calder · 16.5 km | River Calder | 16.5 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 9 min | 0 |
| YWS00109 River Holme · 16.8 km | River Holme | 16.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 121 min | 0 |
| YWS01292 River Holme · 17.5 km | River Holme | 17.5 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 10 min | 0 |
| YWS00761 Hebble Brook · 17.6 km | Hebble Brook | 17.6 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 15 min | 0 |
| YWS01198 River Holme · 18.3 km | River Holme | 18.3 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 8 min | 0 |
| YWS01385 River Calder · 18.5 km | River Calder | 18.5 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 1 min | 0 |
| YWS00722 Hebble Brook · 18.7 km | Hebble Brook | 18.7 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 36 min | 0 |
| YWS01778 River Holme · 18.8 km | River Holme | 18.8 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 13 min | 0 |
| YWS01360 River Calder · 19.3 km | River Calder | 19.3 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 35 min | 0 |
| YWS01774 River Holme · 19.6 km | River Holme | 19.6 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 457 min | 0 |
| YWS00166 Hebble Brook · 19.7 km | Hebble Brook | 19.7 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 1 min | 0 |
| YWS01747 River Ryburn · 20.3 km | River Ryburn | 20.3 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 3 min | 0 |
| YWS02121 River Calder · 20.4 km | River Calder | 20.4 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 44 min | 0 |
| YWS02153 River Holme · 20.7 km | River Holme | 20.7 km | Not discharging Last spill 10 months ago · 0 in 30 days | 10 months ago | 29 min | 0 |
| YWS01653 Hebble Brook · 20.8 km | Hebble Brook | 20.8 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 10 min | 0 |
| YWS01791 River Holme · 21.0 km | River Holme | 21.0 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 14 min | 0 |
| YWS00815 River Calder · 21.4 km | River Calder | 21.4 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 0 min | 0 |
| YWS00816 River Calder · 21.5 km | River Calder | 21.5 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 43 min | 0 |
| YWS02233 River Calder · 22.1 km | River Calder | 22.1 km | Not discharging Last spill none recorded · 0 in 30 days | None recorded | - | 0 |
| YWS01308 River Calder · 22.4 km | River Calder | 22.4 km | Not discharging Last spill 8 months ago · 0 in 30 days | 8 months ago | 179 min | 0 |
| YWS01605 Hebble Brook · 22.6 km | Hebble Brook | 22.6 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 5 min | 0 |
| YWS02178 River Ryburn · 23.0 km | River Ryburn | 23.0 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 1 min | 0 |
| YWS01171 River Ryburn · 24.8 km | River Ryburn | 24.8 km | Not discharging Last spill 6 years ago · 0 in 30 days | 6 years ago | 390 min | 0 |
| YWS01177 River Calder · 25.7 km | River Calder | 25.7 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 25 min | 0 |
| YWS02234 River Calder · 26.2 km | River Calder | 26.2 km | Not discharging Last spill 6 years ago · 0 in 30 days | 6 years ago | 674 min | 0 |
| YWS00922 River Calder · 26.3 km | River Calder | 26.3 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 8 min | 0 |
| YWS01162 Hebden Water · 28.8 km | Hebden Water | 28.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 22 min | 0 |
| YWS01287 River Calder · 28.8 km | River Calder | 28.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 29 min | 0 |
| YWS02152 River Calder · 28.8 km | River Calder | 28.8 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 350 min | 0 |
| YWS01749 Hebden Water · 28.9 km | Hebden Water | 28.9 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 44 min | 0 |
| YWS01750 Hebden Water · 29.8 km | Hebden Water | 29.8 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 14 min | 0 |
| YWS00035 Hebden Water · 30.7 km | Hebden Water | 30.7 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 14 min | 0 |
| YWS00910 River Calder · 30.8 km | River Calder | 30.8 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 0 min | 0 |
| YWS01320 River Calder · 34.5 km | River Calder | 34.5 km | Not discharging Last spill 3 months ago · 0 in 30 days | 3 months ago | 25 min | 0 |
| YWS01358 Walsden Water · 35.8 km | Walsden Water | 35.8 km | Not discharging Last spill 6 years ago · 0 in 30 days | 6 years ago | 49 min | 0 |
| YWS01954 Walsden Water · 35.9 km | Walsden Water | 35.9 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 14 min | 0 |
| YWS01275 River Calder · 36.4 km | River Calder | 36.4 km | Not discharging Last spill 2 months ago · 0 in 30 days | 2 months ago | 2 min | 0 |
| YWS02008 River Calder · 37.6 km | River Calder | 37.6 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 2 min | 0 |
76 more monitors upstream had no spill in the last 30 days.