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Holly Water

A stream near Stockleigh English, Devon. No gauge of its own: what the river map and the banked data say about it.

Holly Water is a stream on Ordnance Survey’s river map near Stockleigh English, Devon, with about 12 km of mapped channel. On the map it flows into the River Creedy, which flows on into the River Exe and out to the sea.

Next gauge downstream

Upton Hellions on the River Creedy, about 280 m along the river below where Holly Water ends on the map.

0.27 m Normal · steady 36 min ago

After that, Cowley Bridge, about 13 km along the river.

No gauge measures Holly Water itself. A gauge downstream shows water that has already passed it, mixed with everything else that has joined on the way, so it says nothing exact about this stream.

Storm overflows on Holly Water

1 storm overflow is placed on this stream on the river map. Each status is the water company’s own monitor.

Cheriton Fitzpaine WwTW Not discharging
South West Water · into Tributary Of Holly Water · 2025: 140 spills, 2,808 h

A status says whether an overflow is discharging now, never how much or why. A monitor that is offline or has not reported is not “not discharging”. Sewage in Britain’s rivers →

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

Water-sampling points on Holly Water

5 Environment Agency sampling points are placed on this stream. These are dated samples taken by hand, not live readings, and FloodRadar does not grade them.

Holly Water at Cheriton Mill
Last sampled 14 Aug 2026 · 48 days ago · 8 samples banked
Holly WATERU/S Poughill sewage treatment works
Last sampled 5 May 2026 · 5 months ago · 24 samples banked
Holly Water downstream of Cheriton Fitzpaine sewage treatment works
No sample published 1 Oct 2023 – 30 Sep 2026
Holly Water upstream of Cheriton Fitzpaine sewage treatment works
No sample published 1 Oct 2023 – 30 Sep 2026
Holly Water at Heath Bridge
No sample published 1 Oct 2023 – 30 Sep 2026

A sample is taken on a date; it says nothing about the water today. A sample below an overflow does not by itself show where anything in it came from.

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

Places along it

From its source towards its mouth, the settlements within a kilometre of it on the map: Way Village, Stockleigh English, East Village, Upton Hellions.

On the map

The map needs JavaScript. Everything it shows is listed on this page.

The blue line is Holly Water; grey lines are other mapped watercourses. Lines from OS Open Rivers (edition 2026-04).

The River Creedy, the river it joins →EX17 4NW, a postcode page near where it ends on the map (about 1.7 km away) →All rivers with gauges →

What this page can and cannot tell you

Its line, its name and where it flows come from Ordnance Survey’s river map (OS Open Rivers, edition 2026-04), which leaves out many small streams, ditches and culverts. “Flows into” is the map’s word: a channel that is not on the map is not shown here, which does not mean it is not there.
No gauge measures Holly Water itself, so its own level is not known here.
Storm overflows are listed only where the river map places them on this stream; an overflow it could not place is not counted.
Water samples are England’s only (the Environment Agency’s archive), placed where the map can place their sampling point.
Nothing on this page says whether any place floods. For an address, see its postcode page.

This uses Environment Agency flood and river level data from the real-time data API (Beta). Licence: Open Government Licence v3.0.