Sewage Map

Tanfield Lea sewage map and spill data

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

224
Outlets within 10 km
3,538
Spills in 2025
11,098
Recorded hours
221
Linked to a live feed

21 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 Tanfield Lea

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 224 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
    The Green Market CSO

    Northumbrian Water · River Team

    81spills
  2. 2
    East Tanfield STW

    Northumbrian Water · Causey Burn

    78spills
  3. 3
    Front Street CSO

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

    77spills
  4. 4
    Market Lane CSO

    Northumbrian Water · River Derwent

    76spills
  5. 5
    Crookhall STW

    Northumbrian Water · Stockerley Burn, Tributary of

    62spills

Spills over time

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

184 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 33 recorded more spills, 112 fewer and 39 the same. Together they went from 4,257 to 2,867 spills, a fall of 33%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20252243,538911
20242245,0651319
2023116046220
202263304713
202175026819
202041624218

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 Tanfield Lea

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

A7 outlets
B23 outlets
C32 outlets
D15 outlets
E10 outlets
F6 outlets
G4 outlets
H13 outlets
I1 outlet
J2 outlets
K4 outlets
L9 outlets
M6 outlets
N6 outlets
O4 outlets
P12 outlets
Q2 outlets
R6 outlets
S37 outlets
T8 outlets
V2 outlets
W15 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 E63000145). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Tanfield Lea

What area does this Tanfield Lea 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 Tanfield Lea?
224 outlet records report 3,538 spills in 2025. Every record on this page has a usable count.
Which water companies operate outlets near Tanfield Lea?
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 Tanfield Lea are linked to a live feed?
221 of the 224 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 Tanfield Lea record zero spills in 2025?
51 records report zero counted spills in 2025. 21 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 Tanfield Lea?
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.