Sewage Map

Smallhope Burn from Source to Browney, Stocke sewage map and spill data

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

15
Outlet records
375
Spills in 2025
1,309
Recorded hours
15
Linked to a live feed

1 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 Smallhope Burn from Source to Browney, Stocke

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 15 outlets

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  • 5 South Street CSO, Crookhall

    Northumbrian Water · Stockerley Burn Tributary

    Current status unknown
    2025 annual record:1spill0hours
  • Butsfield Lane CSO Der092

    Northumbrian Water · Smallhope Burn

    Current status unknown
    2025 annual record:46spills69.7hours
  • Crookhall STW

    Northumbrian Water · Stockerley Burn, Tributary of

    Current status unknown
    2025 annual record:62spills164.1hours
  • Crookhall STW

    Northumbrian Water · Stockerley Burn, Tributary of

    Current status unknown
    2025 annual record:33spills240.4hours
  • CSO Manor Court

    Northumbrian Water · Smallhope Burn

    Current status unknown
    2025 annual record:0spills0hours
  • East Of Knitsley Grange Farm CSO

    Northumbrian Water · Smallhope Burn

    Current status unknown
    2025 annual record:18spills31.8hours
  • Fellside CSO (Der 174)

    Northumbrian Water · Backgill Burn Tributary

    Current status unknown
    2025 annual record:13spills15.7hours
  • Iveston Lane CSO

    Northumbrian Water · Iveston Burn

    Current status unknown
    2025 annual record:1spill0.1hours
  • Knitsley Sewage Treatment Works

    Northumbrian Water · Smallhope Burn

    Current status unknown
    2025 annual record:41spills279.7hours
  • Lanchester STW

    Northumbrian Water · Smallhope Burn

    Current status unknown
    2025 annual record:37spills247.1hours

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
    Crookhall STW

    Northumbrian Water

    62spills
  2. 2
    Lynwood House CSO Der44

    Northumbrian Water

    53spills
  3. 3
    Butsfield Lane CSO Der092

    Northumbrian Water

    46spills
  4. 4
    Knitsley Sewage Treatment Works

    Northumbrian Water

    41spills
  5. 5
    Lanchester STW

    Northumbrian Water

    37spills

Spills over time

The median outlet on Smallhope Burn from Source to Browney, Stocke recorded 29 spills in 2025, against 11 across England.

14 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 4 recorded more spills, 10 fewer and 0 the same. Together they went from 561 to 371 spills, a fall of 34%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
2025153752911
2024155633919
20231575720
20221313113
20211424219

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 Smallhope Burn from Source to Browney, Stocke

15 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: GB103024077330. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Smallhope Burn from Source to Browney, Stocke

Which outlets are linked to Smallhope Burn from Source to Browney, Stocke?
The source links 15 outlet records to waterbody GB103024077330. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Smallhope Burn from Source to Browney, Stocke?
15 records report 375 spills in 2025 and 1,309 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 Smallhope Burn from Source to Browney, Stocke?
Northumbrian Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Smallhope Burn from Source to Browney, Stocke are linked to a live feed?
15 of the 15 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 Smallhope Burn from Source to Browney, Stocke?
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 Smallhope Burn from Source to Browney, Stocke is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.