N/A
Storm overflow run by Thames Water, discharging into N/a.
"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
The Environment Agency's official annual returns, counted the EA's way (12/24-hour spills).
A spill is the EA's 12/24-hour count: the first 12 hours of a discharge count as one, each further 24 hours with discharge as one more. "Monitor" is the share of that year the monitor was working, so a 0 beside a working monitor is a real zero; "no data" means the monitor produced no usable data that year — not zero. Years before 2024 are matched to this site by name and location, because the EA's site IDs changed that year; a monitor figure beside one of them means the outlet's permit confirms the match.
Other outlets here
Thames Water runs 4 other overflows within 300 m that also discharge into N/a. They share the sewer and the storm, so one outlet's figures are only part of what reaches the water.
This overflow (Dunstable Road - Francis Street): 0 spills in 2025. Distances are between the published outlet points. The names in brackets are Thames Water's own, from its return.
What the 2025 return says
From Thames Water's annual return to the Environment Agency for this overflow.
"High spill threshold not met" means this overflow did not spill often enough to trigger the EA's formal high-spill review for that year. It is not a statement that the spills were harmless.
Discharges we have recorded
4 discharge periods since 22 Sep 2024. 4 of them come from Thames Water's own event-duration-monitoring records (from its open data service, Sep 2024 – Oct 2024); this overflow has no live feed, so nothing after that log is held. The official annual count is the figure to quote.
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14 min
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10 min
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54 min
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14 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 5 raw blocks were merged into 4 continuous discharge periods (gaps under 15 min joined).
Rain nearby last 30 days
Nearest live rain gauge: Rainfall gauge nr Luton, 2.4 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.
Annual spill figures: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence (OGL) v3.0. Spill-event history: Thames Water open data (its discharge alerts), © Thames Water Utilities Limited, used under its open data terms (https://data.thameswater.co.uk/s/terms-of-service). Changed by FloodRadar: each Start alert is paired with the Stop that follows it to make one discharge period; monitor-offline alerts are left out. Times are shown in UK local time. FloodRadar republishes the monitor's status and the EA's figures; it does not measure discharges itself. Constituency and council area from the EA's return: contains OS data © Crown copyright and database right 2026.