Sewage Map

Boldon Colliery sewage map and spill data

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

204
Outlets within 10 km
3,869
Spills in 2025
14,380
Recorded hours
204
Linked to a live feed

1 records have no usable spill count. 31 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 Boldon Colliery

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 204 outlets

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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
    Tyneside CSO (No B5/301)

    Northumbrian Water · Don

    121spills
  3. 3
    Howdon STW

    Northumbrian Water · River Tyne Saline Estuary

    120spills
  4. 4
    Howdon STW

    Northumbrian Water · River Tyne Saline Estuary

    113spills
  5. 5
    Wagonway Road SPS

    Northumbrian Water · River Tyne Saline Estuary

    100spills

Spills over time

The median outlet near Boldon Colliery recorded 12 spills in 2025, against 11 across England.

154 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 10 recorded more spills, 127 fewer and 17 the same. Together they went from 4,925 to 3,003 spills, a fall of 39%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20252033,8691211
20242036,1522319
202372161420
202271211413
202171592619
20201161618

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 Boldon Colliery

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

A2 outlets
B19 outlets
C25 outlets
D4 outlets
E5 outlets
F6 outlets
G7 outlets
H15 outlets
I1 outlet
J6 outlets
K2 outlets
L6 outlets
M7 outlets
N13 outlets
O3 outlets
P10 outlets
Q3 outlets
R8 outlets
S24 outlets
T9 outlets
U2 outlets
W27 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 E63000103). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Boldon Colliery

What area does this Boldon Colliery 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 Boldon Colliery?
203 outlet records report 3,869 spills in 2025. 1 records have no usable count and are not treated as zero.
Which water companies operate outlets near Boldon Colliery?
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 Boldon Colliery are linked to a live feed?
204 of the 204 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.
Did any outlet near Boldon Colliery record zero spills in 2025?
31 records report zero counted spills in 2025. 31 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 Boldon Colliery?
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.