Little Don from Source to River Don sewage map and spill data

3 storm overflows listed in the 2025 annual return name this water. All are operated by Yorkshire Water. Check the latest company report for each outlet below.

3
Outlet records: 185
Spills in 2025: 885
Recorded hours: 3
Linked to a live feed

Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are counted Search the national map

Outlets on Little Don from Source to River Don

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 3 of 3 outlets

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Gibson Lane/No 2 CSO
Yorkshire Water · Little Don River
Current status unknown
2025 annual record:68spills167.5hours

Hunshelf Road/No 2 CSO
Yorkshire Water · Little Don River
Current status unknown
2025 annual record:38spills160hours
Manchester Road Weir/CSO
Yorkshire Water · The Porter Or Little Don River
Current status unknown
2025 annual record:79spills557hours

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.

1
Manchester Road Weir/CSO
Yorkshire Water
79spills
2
Gibson Lane/No 2 CSO
Yorkshire Water
68spills
3
Hunshelf Road/No 2 CSO
Yorkshire Water
38spills

Spills over time

The median outlet on Little Don from Source to River Don recorded 68 spills in 2025, against 11 across England.

2 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 2 fewer and 0 the same. Together they went from 190 to 117 spills, a fall of 38%.

Year	Outlets with a count	Total spills	Median per outlet	England median
2025	3	185	68	11
2024	3	244	86	19
2023	3	313	108	20
2022	3	215	62	13
2021	3	143	55	19
2020	3	115	21	18

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 Little Don from Source to River Don

3 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.

Gibson Lane/No 2 CSOLittle Don River · 68 spills in 2025
Hunshelf Road/No 2 CSOLittle Don River · 38 spills in 2025
Manchester Road Weir/CSOThe Porter Or Little Don River · 79 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: GB104027057460. The official waterbody record is a source lookup; its classification is not imported here.

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Questions about Little Don from Source to River Don

Which outlets are linked to Little Don from Source to River Don?: The source links 3 outlet records to waterbody GB104027057460. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Little Don from Source to River Don?: 3 records report 185 spills in 2025 and 885 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 Little Don from Source to River Don?: Yorkshire Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Little Don from Source to River Don are linked to a live feed?: 3 of the 3 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 Little Don from Source to River Don?: Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Little Don from Source to River Don is safe?: No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.