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Home › Rivers › Penberth Stream

Penberth Stream water levels

Live levels from 1 monitoring station across Cornwall, updated every 15 minutes.

1stations
0above typical high

Gauges

Monitoring stations, source to mouth

StationTownLevel nowStatusTrend
PenberthPenberth0.16 m 19h agoold reading

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.

Gauged tributaries

Streams and rivers with a gauge whose water joins Penberth Stream above one of its gauges, from the source down. The river map knows where gauges are, not every stream, so a tributary without a gauge is not listed here.

No gauged tributary joins Penberth Stream above Penberth on the river map. Streams without a gauge are not counted here.

Where Penberth Stream goes

No gauge below Penberth 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.

Storm overflows upstream

None of the storm overflows FloodRadar holds is traced upstream of Penberth on the river map. That is not the same as none: the map leaves out many small streams and culverts, so an overflow it cannot place may still drain here, and not every company publishes every overflow.

Near these gauges, connection not known

Within 3 km of one of Penberth Stream’s gauges in a straight line, but the river map cannot say whether their water reaches it.

  • Porthcurno Valley Pumping Station Not discharging bathing water
    South West Water · into Atlantic Ocean, Off Porthcurno · 1.5 km from Penberth in a straight line · discharges to the sea, an estuary or tidal water · 2025: 24 spills, 394 h
  • St Buryan WwTW Not discharging
    South West Water · into Trevedran Stream · 2.3 km from Penberth in a straight line · its watercourse is not on the river map · 2025: 36 spills, 312 h

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: © South West Water storm overflow activity data, licensed under CC BY 4.0. Annual figures for England: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence v3.0.

Water samples

Dated samples taken by the Environment Agency, not live readings. Results are published days to months after the sample is taken, and many points are sampled only a few times a year, or have not been sampled for years.

8 sampling points on the Penberth Stream and the streams that join it above Penberth, and below it. 4 have a sample from the last 12 months; 6 have any sample banked. Listed from the source down, grouped by the next gauge each one's water reaches.

Above Penberth Penberth Stream 6 points, 4 with samples
Sampling pointWatercourse (map)Above the gaugeLast sampleLatest results (river water)
Tributary of Penberth Stream upstream of Penrose FarmPenberth River4.2 km7 Aug 2025 · 14 months agoOxygen 97.7% Apr 2025Temp 13 °C Apr 2025pH 7.27 Apr 2025Ammonia below 0.03 mg/l
Penberth Stream upstream of Penrose FarmPenberth River4.2 kmLast sampled 21 Feb 2020, before the imported period
Treworgans Stream at Crean Bridgeunnamed stream2.7 kmLast sampled 10 Jun 2019, before the imported period
Penberth River at BottomsPenberth River2.0 km28 Sep 2026 · 10 days agoOxygen 94.2%Temp 13.4 °CpH 7.43Ammonia below 0.03 mg/l
Penberth Stream above sewage treatment works tributaryPenberth River0.7 km28 Sep 2026 · 10 days agoOxygen 86.4%Temp 13.1 °CpH 7.06Ammonia below 0.03 mg/l
Penberth Stream at TreenPenberth River0.4 km28 Sep 2026 · 10 days agoOxygen 85.8%Temp 12.9 °CpH 7.18Ammonia 0.35 mg/l
Below Penberth 2 points
Sampling pointWatercourse (map)Below the gaugeLast sampleLatest results (river water)
Penberth Stream at Penberth BridgePenberth River0.2 km2 Jan 2026 · 9 months agoOxygen 99.5%Temp 8.6 °CpH 7.44Ammonia 0.041 mg/l Mar 2024
Penberth Stream at Penberth CovePenberth River0.6 km4 Dec 2023 · 2.8 years agoOxygen 100.8%Temp 9.6 °CpH 7.31Ammonia 0.099 mg/l

Distances are along the river to the gauge named. England's samples only.

FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.

Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.

Contains OS data © Crown copyright and database rights 2026.

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