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Pennington Brook

A stream near Lately Common, Wigan. No gauge of its own: what the river map and the banked data say about it.

Pennington Brook is a stream on Ordnance Survey’s river map near Lately Common, Wigan, with about 3.4 km of mapped channel. On the map it flows into Glaze Brook; beyond that the map has a gap, so where it goes next is not known.

Next gauge downstream

Little Woolden Hall on Glaze Brook, about 4.8 km along the river below where Pennington Brook ends on the map.

0.59 m Normal · falling 29 min ago

No gauge measures Pennington Brook 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 Pennington Brook

5 storm overflows are placed on this stream on the river map. Each status is the water company’s own monitor.

Leigh STW Status unknown
United Utilities · into Pennington Brook · 2025: 0 spills, 0 h
Leigh STW Not discharging
United Utilities · into Pennington Brook · 2025: 47 spills, 455 h
Mather Lane Not discharging
United Utilities · into Pennington Brook · 2025: 2 spills, 0.7 h
Newlands Road CSO Not discharging
United Utilities · into Pennington Brook Via Sws · 2025: 1 spill, 0.3 h · reaches the river through a sewer, so where it enters is approximate
Pennington Mill Bridge CSO Not discharging
United Utilities · into Pennington Brook (Glaze) · 2025: 12 spills, 21 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: © United Utilities 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 Pennington Brook

2 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.

Glaze Brook at A574 Road Bridge downstream of Leigh waste water treatment works
Last sampled 14 Sep 2026 · 17 days ago · 5 samples banked
Pennington Brook at Black Harry Bridge
Last sampled 23 Mar 2026 · 6 months ago · 6 samples banked

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: Siddow Common, Lately Common, Hooten Gardens.

On the map

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

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

Glaze Brook, the river it joins →WA3 5QE, a postcode page near where it ends on the map (about 210 m 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 Pennington Brook 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.