Chapelhall, Burniebrae Storm Tk CSO
Storm overflow run by Scottish Water, discharging into Shotts Burn.
"Not discharging" means the company's monitor reports no discharge right now — not that the water is clean. The feed publishes status only; no discharge volume is measured.
Year by year
Scottish Water's published data for monitored overflows (number of overflow events; Scottish Water does not use the 12/24-hour count). 2026 is our own running count, the same way, from the live feed since 28 February (when we began keeping every discharge it reports) — so it can only be lower than the full year. The official figure is published next spring.
"No data" means the monitor was not working or not required to report that year — not zero. Scottish Water counts each overflow event; England and Wales count 12/24-hour "spills", so these numbers are not directly comparable with English or Welsh overflows.
Downstream of this overflow
The next gauge downstream that the river map places is Calderpark (North Calder Water), 18.7 km along the river.
A river gauge measures the level of the river; it does not measure this overflow's discharge, and a spill does not by itself explain a change there. Traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.
Contains OS data © Crown copyright and database rights 2026.
Discharges we have recorded
166 discharge periods since 1 Jan 2025. 164 of them come from Scottish Water's own event-duration-monitoring records (published by the company, Jan 2025 – Dec 2025); the live feed adds anything after that. The official annual count is the figure to quote.
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Thu 20 Aug 2026, 18:5015 min
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Thu 20 Aug 2026, 16:4515 min
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Wed 10 Dec 2025, 13:0055 min
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Wed 10 Dec 2025, 08:0510 min
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Tue 9 Dec 2025, 23:1525 min
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Tue 9 Dec 2025, 11:4510 min
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Tue 9 Dec 2025, 05:254 h 55 min
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Mon 8 Dec 2025, 08:3025 min
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Mon 8 Dec 2025, 06:3015 min
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Sun 7 Dec 2025, 14:506 h 50 min
Show 30 earlier (of 166)
| Started (UK time) | Ended | Discharge time |
|---|---|---|
| 6 Dec 2025, 05:05 | 05:20 | 15 min |
| 3 Dec 2025, 10:00 | 10:30 | 30 min |
| 2 Dec 2025, 01:15 | 01:50 | 35 min |
| 1 Dec 2025, 20:30 | 21:40 | 1 h 10 min |
| 1 Dec 2025, 18:45 | 19:05 | 20 min |
| 1 Dec 2025, 17:40 | 17:55 | 15 min |
| 1 Dec 2025, 04:05 | 06:05 | 2 h 0 min |
| 29 Nov 2025, 01:35 | 02:10 | 35 min |
| 27 Nov 2025, 00:15 | 00:35 | 20 min |
| 26 Nov 2025, 21:15 | 23:15 | 2 h 0 min |
| 26 Nov 2025, 16:20 | 16:40 | 20 min |
| 23 Nov 2025, 07:15 | 08:05 | 50 min |
| 23 Nov 2025, 05:50 | 06:30 | 40 min |
| 13 Nov 2025, 19:55 | 20:55 | 1 h 0 min |
| 13 Nov 2025, 10:20 | 10:30 | 10 min |
| 13 Nov 2025, 03:10 | 10:00 | 6 h 45 min |
| 4 Oct 2025, 07:20 | 07:35 | 15 min |
| 4 Oct 2025, 02:00 | 07:00 | 5 h 0 min |
| 3 Oct 2025, 14:55 | 17:40 | 2 h 45 min |
| 1 Oct 2025, 10:30 | 13:35 | 2 h 45 min |
| 11 Sep 2025, 07:50 | 08:10 | 20 min |
| 10 Sep 2025, 20:30 | 21:05 | 30 min |
| 10 Sep 2025, 19:40 | 20:05 | 25 min |
| 4 Sep 2025, 14:35 | 15:00 | 25 min |
| 1 Sep 2025, 23:10 | 23:20 | 10 min |
| 1 Sep 2025, 06:00 | 06:35 | 35 min |
| 1 Sep 2025, 03:40 | 04:35 | 55 min |
| 14 Jun 2025, 12:15 | 13:05 | 50 min |
| 14 Jun 2025, 07:15 | 07:45 | 30 min |
| 4 Jun 2025, 09:45 | 10:00 | 15 min |
The year figures above use the EA's 12/24-hour counting method, so they are comparable with the official figures; the monitor log's 241 raw blocks were merged into 166 continuous discharge periods (gaps under 15 min joined).
Rain nearby last 30 days
Nearest live rain gauge: Caldercruix STW, 5.1 km away. Brown shading = when this overflow was discharging; ▼ = a discharge start.
Overflow shading is a timing match, not proof of cause — heavy rain and spills share a trigger. Times come from the water company’s event-duration monitor (site status only; no discharge volume is published).
Where it is
Concerned about this overflow?
Report pollution you can see or smell to the regulator straight away; the company handles complaints about the overflow itself.
Live status: © Scottish Water, near-real-time Overflow Map data, open licence for reuse. EDM monitors indicate overflows; they do not confirm them, and this is not advice on water quality. Spill-event history and annual figures: Scottish Water overflow event data, Open Government Licence. Times are shown in UK local time. FloodRadar republishes the monitor's status; it does not measure discharges itself.