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1 gauge, at Cardigan Quay TideGauge. 12 storm overflows upstream are discharging now. Gauges in Ceredigion; levels are checked every 15 minutes.
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| Station | Level now | Status |
|---|---|---|
| Cardigan Quay TideGaugetidal | 2.45 mAOD 25m ago | Within its typical range |
Also on the Teifi by the river map, but filed under another river name: Pontrydfendigaid No1 River Station, Pont Llanio River Station, Llanfair River Station and Glan Teifi River Station.
Stations are listed from source to mouth as the water flows, traced on the river map (OS Open Rivers) and the Environment Agency’s own links between its gauges. A distance “by river” is along the river, and is shown only where the map traces the path.
Contains OS data © Crown copyright and database rights 2026.
Streams and rivers with a gauge whose water joins the Teifi above one of its gauges, from the source down. Named streams without a gauge that have a page here are listed at the end.
Joins the Teifi above Pont Llanio River Station, no more than 7.0 km by river above Pont Llanio River Station.
| Tregaron River Station | 0.55 m 10m ago | Within its typical range |
Its water passes Pont Llanio River Station.
Joins the Teifi above Glan Teifi River Station, no more than 26.9 km by river above Glan Teifi River Station.
| Llandyssul River Station | 0.87 m 10m ago | Within its typical range |
Its water passes Glan Teifi River Station.
No gauge below Cardigan Quay TideGauge is known on the river map.
Tributaries and where they join are traced on the river map (OS Open Rivers, edition 2026-04) and the Environment Agency’s links between its gauges. The map holds distances between gauges, not the junctions themselves, so a junction is placed between two gauges, and no further up than the tributary’s own lowest gauge. Contains OS data © Crown copyright and database rights 2026.
46 storm overflows are traced upstream of Cardigan Quay TideGauge, the Teifi’s lowest gauge on the river map: on the Teifi itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Cardigan Quay TideGauge: 3,303 spills over 37,783 hours in total, across the 42 that have a figure. 1 had no usable monitor data that year; 3 have no 2025 figure.
Each overflow is listed in the stretch above the first gauge its water reaches, from the source down, as on the Gauges tab. A stretch of the Teifi includes the smaller streams that join it there. Where a stretch or a tributary has more than 4, the 3 discharging now or nearest its gauge are listed, the rest are counted, and every one is in that gauge’s “Upstream of here” list. Show every overflow in every stretch →
and 4 more: show all 7 overflows on this stretch → All above Cardigan Quay TideGauge, nearest first →
and 16 more: show all 19 overflows on this stretch → All above Glan Teifi River Station, nearest first →
and 12 more: show all 15 overflows on this stretch → All above Llanfair River Station, nearest first →
Within 3 km of one of the Teifi’s gauges in a straight line, but the river map cannot say whether their water reaches it.
9 more near these gauges whose connection is not known.
1 other overflow within 3 km of these gauges is placed below the Teifi’s lowest gauge or on another river, so not listed.
A status is the water company’s own monitor: it says whether an overflow is discharging, never how much or why, and a spill does not by itself explain a change in a river level. A status older than two hours is shown as unknown. Annual figures are the official returns: 12/24-hour spills for England and Wales, overflow events for Scotland (Scottish Water counts differently, so the two cannot be compared). “No data” means the monitor produced no usable data that year, not zero. Overflows are placed on OS Open Rivers (edition 2026-04), which leaves out many small channels: an overflow the map cannot place may still drain here. Contains OS data © Crown copyright and database rights 2026. Sewage in Britain’s rivers →
Live status: © Dŵr Cymru Welsh Water, from its Storm Overflow Map. Annual figures for Wales: Dŵr Cymru Welsh Water’s return to Natural Resources Wales, as compiled by The Rivers Trust, Open Government Licence.
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