Sewage Map

Sunniside sewage map and spill data

252 storm overflows listed in the 2025 annual return sit within 10 km of the official Sunniside reference point. All are operated by Northumbrian Water. Check the latest company report for each outlet below.

252
Outlets within 10 km
4,273
Spills in 2025
12,901
Recorded hours
249
Linked to a live feed

32 records show monitor operation below 90%. This is a straight-line distance search, not a drainage or boundary join. Annual figures describe the whole of 2025, not today.

Rivers and waters these outlets name

Receiving waters named in the annual return for outlets on this page, with the number of outlets for each.

Official place reference ↗How spills are countedSearch by postcode

Outlets near Sunniside

Filter by the latest company report or search within this area. 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 252 outlets

Open full map
  • Armonside Rd Connolly Terrace CSO

    Northumbrian Water · River Derwent

    Current status unknown
    2025 annual record:22spills99.1hours
  • Blackhall Mill Pumping Station

    Northumbrian Water · Tongue Burn (Derwent)

    Current status unknown
    2025 annual record:3spills0.1hours
  • Chopwell Park Footpath CSO

    Northumbrian Water · Tongue Burn

    Current status unknown
    2025 annual record:4spills0.5hours
  • Chopwell Road CSO

    Northumbrian Water · River Derwent

    Current status unknown
    2025 annual record:5spills1.6hours
  • Derwentside House CSO

    Northumbrian Water · Derwent

    Current status unknown
    2025 annual record:0spills0hours
  • Hamsterley Colliery PS

    Northumbrian Water · Derwent

    Current status unknown
    2025 annual record:21spills69.7hours
  • Pennine View CSO

    Northumbrian Water · Tributary of River Derwent

    Current status unknown
    2025 annual record:11spills42.4hours
  • South Terrace CSO (G003)

    Northumbrian Water · Tongue Burn

    Current status unknown
    2025 annual record:1spill0.1hours
  • Tay Street CSO

    Northumbrian Water · Tributary of River Derwent

    Current status unknown
    2025 annual record:2spills0.3hours
  • West Lane School CSO

    Northumbrian Water · Tributary of River Derwent

    Current status unknown
    2025 annual record:1spill0hours

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
    Glasshouse Street PS

    Northumbrian Water · River Tyne, North Sea

    128spills
  2. 2
    South Shore Road CSO

    Northumbrian Water · Tyne Saline Estuary

    86spills
  3. 3
    The Green Market CSO

    Northumbrian Water · River Team

    81spills
  4. 4
    Denton Road CSO Nc027

    Northumbrian Water · River Tyne

    78spills
  5. 4
    East Tanfield STW

    Northumbrian Water · Causey Burn

    78spills

Spills over time

The median outlet near Sunniside recorded 9 spills in 2025, against 11 across England.

195 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 25 recorded more spills, 136 fewer and 34 the same. Together they went from 4,771 to 3,172 spills, a fall of 34%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20252524,273911
20242516,2731419
2023104815820
202262814013
202173924519
2020210552.518

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 near Sunniside

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

A10 outlets
B26 outlets
C31 outlets
D15 outlets
E10 outlets
F5 outlets
G7 outlets
H16 outlets
I1 outlet
J3 outlets
K3 outlets
L9 outlets
M9 outlets
N10 outlets
O6 outlets
P10 outlets
Q2 outlets
R6 outlets
S40 outlets
T15 outlets
V1 outlet
W17 outlets

Sources and dates

Outlet locations and spill figures come from the Environment Agency 2025 event duration monitoring annual return. The place reference point is the ONS built-up area point (ID E63000117). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Sunniside

What area does this Sunniside page cover?
It shows outlets within 10 km of the official place reference point. It does not follow council, town or postcode boundaries. Use the postcode search on the map for a search around your own location.
How many spills were recorded near Sunniside?
252 outlet records report 4,273 spills in 2025. Every record on this page has a usable count.
Which water companies operate outlets near Sunniside?
Northumbrian Water operates every outlet listed on this page. Open a company page to see its full outlet list and annual totals.
Which outlets near Sunniside are linked to a live feed?
249 of the 252 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 check the latest report and its date. The other 3 show annual figures only.
Did any outlet near Sunniside record zero spills in 2025?
53 records report zero counted spills in 2025. 32 records on this page have monitor operation below 90%, so check coverage before treating a low count as reliable.
Does nearby mean an outlet affected Sunniside?
No. This is a straight-line location search. The map does not model drainage, river flow or pollution travel, and a nearby outlet can discharge into a different watercourse.