Sewage Map

Chester-le-Street sewage map and spill data

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

210
Outlets within 10 km
3,239
Spills in 2025
11,176
Recorded hours
205
Linked to a live feed

18 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 Chester-le-Street

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 210 outlets

Open full map
  • Aldin Grange (North) STW

    Northumbrian Water · River Browney

    Current status unknown
    2025 annual record:40spills305.2hours
  • Aldin Grange CSO

    Northumbrian Water · Unnamed Tributary of River Browney

    Current status unknown
    2025 annual record:28spills61.8hours
  • Back Elm Street CSO

    Northumbrian Water · River Browney

    Current status unknown
    2025 annual record:11spills4.3hours
  • Stonebridge Sewage Pumping Station

    Northumbrian Water · Browney

    Current status unknown
    2025 annual record:34spills65.5hours
  • Stonebridge Sewage Pumping Station

    Northumbrian Water · Browney

    Current status unknown
    2025 annual record:24spills97.6hours
  • Toll House Road CSO

    Northumbrian Water · River Browney

    Current status unknown
    2025 annual record:37spills46.9hours
  • Witton Gilbert STW

    Northumbrian Water · River Browney

    Current status unknown
    2025 annual record:37spills398.8hours
  • Witton Gilbert STW

    Northumbrian Water · River Browney

    Current status unknown
    2025 annual record:55spills172.8hours
  • Ainsley Street CSO

    Northumbrian Water · Clvrtd Tributary of River Wear

    Current status unknown
    2025 annual record:0spills0hours
  • Atherton Street CSO

    Northumbrian Water · Flass Burn

    Current status unknown
    2025 annual record:0spills0hours

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
    Sedgeletch STW

    Northumbrian Water · Herrington Burn/MOORS Burn

    87spills
  2. 2
    The Green Market CSO

    Northumbrian Water · River Team

    81spills
  3. 3
    East Tanfield STW

    Northumbrian Water · Causey Burn

    78spills
  4. 4
    Front Street CSO

    Northumbrian Water · River Browney · monitor coverage 88.4%, below 90%

    77spills
  5. 5
    Station Road CSO

    Northumbrian Water · River Wear · monitor coverage 88.3%, below 90%

    69spills

Spills over time

The median outlet near Chester-le-Street recorded 8 spills in 2025, against 11 across England.

177 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 35 recorded more spills, 105 fewer and 37 the same. Together they went from 3,557 to 2,595 spills, a fall of 27%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20252103,239811
20242084,1721119
2023136815020
2022828931.513
2021840138.519
202072874118

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 Chester-le-Street

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

A9 outlets
B21 outlets
C21 outlets
D8 outlets
E8 outlets
F11 outlets
G6 outlets
H15 outlets
J1 outlet
K4 outlets
L11 outlets
M2 outlets
N3 outlets
O6 outlets
P17 outlets
Q1 outlet
R6 outlets
S29 outlets
T7 outlets
U1 outlet
W23 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 E63000158). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Chester-le-Street

What area does this Chester-le-Street 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 Chester-le-Street?
210 outlet records report 3,239 spills in 2025. Every record on this page has a usable count.
Which water companies operate outlets near Chester-le-Street?
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 Chester-le-Street are linked to a live feed?
205 of the 210 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 5 show annual figures only.
Did any outlet near Chester-le-Street record zero spills in 2025?
41 records report zero counted spills in 2025. 18 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 Chester-le-Street?
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.