Sewage Map

Smalley sewage map and spill data

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

168
Outlets within 10 km
2,831
Spills in 2025
11,524
Recorded hours
162
Linked to a live feed

1 records have no usable spill count. 4 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 Smalley

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 168 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
    Langley Mill - Cromford Road 96 (CSO)

    Severn Trent Water · River Erewash

    63spills
  2. 1
    Ripley - Hammersmith (Padley Hall) (CSO)

    Severn Trent Water · The Hartshay Brook

    63spills
  3. 3
    Duffield STW (SSTO)

    Severn Trent Water · River Derwent

    57spills
  4. 4
    Ripley - Butterley Lane (CSO)

    Severn Trent Water · Hartshay Brook

    55spills
  5. 5
    Chaddesden - John Berrysford Close (CSO)

    Severn Trent Water · Chaddesden Brook

    53spills

Spills over time

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

148 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 31 recorded more spills, 88 fewer and 29 the same. Together they went from 3,457 to 2,449 spills, a fall of 29%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20251672,8311211
20241673,9281419
2023291,6674420
2022311,1803413
2021311,8264619
2020291,2612918

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 Smalley

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

A12 outlets
B25 outlets
C10 outlets
D22 outlets
E2 outlets
F2 outlets
H19 outlets
I11 outlets
J1 outlet
K6 outlets
L13 outlets
M10 outlets
N4 outlets
P2 outlets
Q1 outlet
R10 outlets
S17 outlets
W1 outlet

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 E63001933). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Smalley

What area does this Smalley 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 Smalley?
167 outlet records report 2,831 spills in 2025. 1 records have no usable count and are not treated as zero.
Which water companies operate outlets near Smalley?
Severn Trent Water operates every outlet listed on this page. Open a company page to see its full outlet list and annual totals.
Which outlets near Smalley are linked to a live feed?
162 of the 168 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 6 show annual figures only.
Did any outlet near Smalley record zero spills in 2025?
33 records report zero counted spills in 2025. 4 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 Smalley?
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.