Sewage Map

Don from River Dearne to Mill Dyke sewage map and spill data

6 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.

6
Outlet records
39
Spills in 2025
316
Recorded hours
6
Linked to a live feed

2 records show monitor operation below 90%. Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Don from River Dearne to Mill Dyke

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 6 of 6 outlets

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  • Kilners Bridge Denaby/CSO

    Yorkshire Water · Permit applied for

    Current status unknown
    2025 annual record:23spills218.3hours
  • North Cliff Road/CSO

    Yorkshire Water · River Don

    Current status unknown
    2025 annual record:0spills0hours
  • School Walk/CSO

    Yorkshire Water · Unknown

    Current status unknown
    2025 annual record:7spills50hours
  • Smiths Square/CSO

    Yorkshire Water · River Don

    Current status unknown
    2025 annual record:0spills0hours
  • The Tavern Pub House/CSO

    Yorkshire Water · Unknown

    Current status unknown
    2025 annual record:8spills47.3hours
  • Tickhill Street/CSO

    Yorkshire Water · Unknown

    Current status unknown
    2025 annual record:1spill0.3hours

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. 1
    Kilners Bridge Denaby/CSO

    Yorkshire Water

    23spills
  2. 2
    The Tavern Pub House/CSO

    Yorkshire Water · monitor coverage 71.4%, below 90%

    8spills
  3. 3
    School Walk/CSO

    Yorkshire Water · monitor coverage 86.6%, below 90%

    7spills
  4. 4
    Tickhill Street/CSO

    Yorkshire Water

    1spills
  5. 5
    North Cliff Road/CSO

    Yorkshire Water

    0spills

Spills over time

The median outlet on Don from River Dearne to Mill Dyke recorded 4 spills in 2025, against 11 across England.

4 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 3 fewer and 1 the same. Together they went from 36 to 24 spills, a fall of 33%.

YearOutlets with a countTotal spillsMedian per outletEngland median
2025639411
2024656519
2023660220
202220013
202122119
202058018

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 Don from River Dearne to Mill Dyke

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

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: GB104027064242. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Don from River Dearne to Mill Dyke

Which outlets are linked to Don from River Dearne to Mill Dyke?
The source links 6 outlet records to waterbody GB104027064242. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Don from River Dearne to Mill Dyke?
6 records report 39 spills in 2025 and 316 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 Don from River Dearne to Mill Dyke?
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 Don from River Dearne to Mill Dyke are linked to a live feed?
6 of the 6 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 Don from River Dearne to Mill Dyke?
2 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 Don from River Dearne to Mill Dyke is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.