Irwell (Source to Whitewell Brook) sewage map and spill data
18 storm overflows listed in the 2025 annual return name this water. All are operated by United Utilities. Check the latest company report for each outlet below.
- 18
- Outlet records
- 293
- Spills in 2025
- 1,809
- Recorded hours
- 18
- Linked to a live feed
1 records show monitor operation below 90%. Annual figures describe the whole of 2025, not today.
Outlets on Irwell (Source to Whitewell Brook)
Filter by the latest company report. The map follows the filters.
Filters apply to the map and list. Recent stops need a current report and a recorded stop time. They do not show whether water is safe.
Showing 10 of 18 outlets
Open full map- Blackwood RoadCurrent status unknown
United Utilities · River Irwell
2025 annual record:2spills3.2hours - Burnley Road (Bacup) CSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:1spill8.5hours - Cowpe Road SSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:4spills6.8hours - Greave Clough Drive CSOCurrent status unknown
United Utilities · Greave Clough via SWS
2025 annual record:0spills0hours - Hammerton Street/Stanley Street CSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:9spills8.8hours - Lee Road CSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:1spill1.2hours - NEWCHURCH ROAD (Bacup) CSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:4spills7.3hours - Newchurch Road / Brooks Street CSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:58spills151.5hours - Newchurch Road / Wesley Place CSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:32spills63.4hours - Newchurch Road CSOCurrent status unknown
United Utilities · River Irwell
2025 annual record:27spills225.7hours
No outlets match these filters.
Most recorded spills in 2025
The highest 2025 counts among these outlets. A count is events, not volume or harm. Equal counts share a rank.
- 1The Glen CSO139spills
United Utilities
- 2Newchurch Road / Brooks Street CSO58spills
United Utilities · monitor coverage 88.6%, below 90%
- 3Newchurch Road / Wesley Place CSO32spills
United Utilities
- 4Newchurch Road CSO27spills
United Utilities
- 5Hammerton Street/Stanley Street CSO9spills
United Utilities
Spills over time
The median outlet on Irwell (Source to Whitewell Brook) recorded 3.5 spills in 2025, against 11 across England.
16 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 2 recorded more spills, 11 fewer and 3 the same. Together they went from 258 to 226 spills, a fall of 12%.
Largest rises from 2024 to 2025
- Newchurch Road / Wesley Place CSO27 → 32
- Newchurch Road CSO23 → 27
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 18 | 293 | 3.5 | 11 |
| 2024 | 18 | 332 | 6 | 19 |
Earlier returns list fewer of these outlets, so totals are not comparable between years. The median per outlet and the like-for-like change are fairer comparisons. Counts are events, not volume.
All outlet records on Irwell (Source to Whitewell Brook)
18 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Blackwood RoadRiver Irwell · 2 spills in 2025
- Burnley Road (Bacup) CSORiver Irwell · 1 spill in 2025
- Cowpe Road SSORiver Irwell · 4 spills in 2025
- Greave Clough Drive CSOGreave Clough via SWS · 0 spills in 2025
- Hammerton Street/Stanley Street CSORiver Irwell · 9 spills in 2025
- Lee Road CSORiver Irwell · 1 spill in 2025
- NEWCHURCH ROAD (Bacup) CSORiver Irwell · 4 spills in 2025
- Newchurch Road / Brooks Street CSORiver Irwell · 58 spills in 2025
- Newchurch Road / Wesley Place CSORiver Irwell · 32 spills in 2025
- Newchurch Road CSORiver Irwell · 27 spills in 2025
- Opposite 709 Bacup Road CSORiver Irwell · 2 spills in 2025
- Rockcliffe Road / River Street CSORiver Irwell · 3 spills in 2025
- South Street / Pickup Street CSORiver Irwell · 4 spills in 2025
- The Glen CSORiver Irwell · 139 spills in 2025
- Tong Lane / Reed Street CSOGleave Clough Brook · 0 spills in 2025
- Waterbarn Lane CSORiver Irwell · 7 spills in 2025
- Waterbarn Street/Barden Lane Combined Sewer OverflowUnnamed Tributary of River Calder · 0 spills in 2025
- Wellington Hotel CSOCulverted Tributary of River Irwell · 0 spills in 2025
Sources and dates
Outlet locations, waterbody links and spill figures come from the Environment Agency 2025 event duration monitoring annual return. The latest company reports come from each operator’s live feed and carry their own dates. Waterbody ID: GB112069064660. The official waterbody record is a source lookup; its classification is not imported here.
Questions about Irwell (Source to Whitewell Brook)
- Which outlets are linked to Irwell (Source to Whitewell Brook)?
- The source links 18 outlet records to waterbody GB112069064660. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for Irwell (Source to Whitewell Brook)?
- 18 records report 293 spills in 2025 and 1,809 recorded hours. All listed records have a usable count. Outlets can discharge at the same time, so the hours are not the time the whole water was affected.
- Who is responsible for the outlets on Irwell (Source to Whitewell Brook)?
- United Utilities operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
- Which outlets on Irwell (Source to Whitewell Brook) are linked to a live feed?
- 18 of the 18 records are matched to a monitor in a company live feed. A link does not mean the monitor is working now. Use the status filters above to see the latest report for each outlet, with its date. The rest show annual figures only.
- How complete is the monitoring for Irwell (Source to Whitewell Brook)?
- 1 of the listed records have monitor operation below 90% for 2025. Events can be missed when a monitor is not working, so low counts from those outlets may understate activity.
- Does this show if Irwell (Source to Whitewell Brook) is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.