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Chudleigh STW, Newton Abbot

SBB00255
Overflow on the network feeding Chudleigh STW · Storm sewage overflow
Shellfish water · Teign Estuary
Showing history for 2025 · records go back to 2020
Not spilling

The monitor is reporting and shows no discharge.

Last spill ended
9 Sept, 05:47
Counted spills, 2025
90
32 discharge events
Hours spilled, 2025
1,527
Is the feed working?
Working
Last checked 18 min ago · we poll SWW hourly
48h agonow
48/48 hourly readings received
Dry spills, 2025
0
None in 2025 · 11 since 2020
How a dry spill is decided →
Spilled before its STW, 2025
0
0 in 2025 · 0 since 2020
What this means →
Why this one spills

This overflow spills far more than most.

On the analysis this is one of the catchment's heavier or longer-running overflows. Its treatment works is not recorded as over capacity, so the volume is worth explaining. See the record below, and how the verdict is reached.

How this verdict is reached →

Can its works cope?

Full capacity view →

This overflow drains to Chudleigh STW, serving about 4,746 people.

of permitted flow
Not assessed

We cannot check the works — its permitted flow or population served is missing from the public record.

Its permit

What the environmental permit sets for this overflow — and where the public record is silent, which is itself the finding.

Pass-forward flow
Not published
Spill frequency limit
None set
Monitoring tier
Not published
Assessment trigger
Crossed — over 10 spills/year

Is anyone acting on this?

Flagged problems
Very long spills1,527 hours in the last full yearDry spilling11 dry spills since 2020
Measures on record
  • Move AMP7 U_MON4 driver output to 2-minute flow monitoring (U_MON4a)
    Monitoringdue 2026
  • MCERTS certification of an AMP7 U_MON3 driver output overflow operation monitor (U_MON3a)
    Monitoringdue 2026
  • Investigation to meet EnvAct INV4 Driver
    Investigationdue 2027
  • Reduction of spills to meet EnvAct_IMP drivers
    Improvementdue 2030
Verdict
Improvement under way

A physical improvement is committed against this overflow.

What you can do about this one

OPEN NOW

Ask for the data

Under the Environmental Information Regulations, Chudleigh STW, Newton Abbot's telemetry, the works' flow-to-full-treatment setting, and any spill investigations are emissions information — they cannot be withheld on commercial-confidentiality grounds. A written request is the fastest lever.

BY 30 APR 2027

Get it into the next programme

Investigations that will shape the 2030–35 environment programme must complete by this date. Putting this overflow on the record now — to South West Water and the Environment Agency — is what gets it considered.

BY 1 NOV 2027

Put it in the drainage plan

South West Water's draft Drainage & Wastewater Management Plan goes to a twelve-week consultation. A named overflow with evidence behind it is far harder to leave out.

The record since 2020

11 dry spills and 0 pre-STW spills since 2020. Pick a year to see its events below.

Count by

2025: 90 spills · 32 discharge events

Counted spills — the EA's 12/24-hour block method, the basis of the 10-a-year cap. Published annual return where available, computed the same way for the current year. Two ways to count →

Spills by month, 2025

Dry Wet weather
7Jan
2Feb
Mar
3Apr
May
2Jun
Jul
1Aug
2Sep
3Oct
7Nov
5Dec

Every spill in 2025, most recent first

Each event checked against the nearest rain gauge and against the treatment works’ own overflow. Open any row for its evidence dossier.

15 Dec, 10:00
224h 49m
31.5 mm
Wet weather
Also spilling
12 Dec, 06:55
20h 21m
5.6 mm
Wet weather
Also spilling
5 Dec, 13:49
136h 10m
26.0 mm
Wet weather
Also spilling
4 Dec, 01:35
28h 58m
5.5 mm
Wet weather
Also spilling
1 Dec, 06:37
61h 44m
16.3 mm
Wet weather
Also spilling
29 Nov, 09:33
9h 17m
7.1 mm
Wet weather
Also spilling
22 Nov, 15:02
9h 32m
9.3 mm
Wet weather
Also spilling
13 Nov, 18:42
67h 31m
15.4 mm
Wet weather
Also spilling
13 Nov, 16:51
18m
15.4 mm
Wet weather
Also spilling
9 Nov, 14:43
98h 3m
14.0 mm
Wet weather
Also spilling
7 Nov, 15:48
13h 41m
7.6 mm
Wet weather
Also spilling
4 Nov, 15:48
36h 57m
14.5 mm
Wet weather
Also spilling
22 Oct, 17:34
11h 52m
11.6 mm
Wet weather
Also spilling
20 Oct, 05:03
21h 33m
13.2 mm
Wet weather
Also spilling
19 Oct, 10:59
9h 48m
13.2 mm
Wet weather
Also spilling
9 Sept, 16:57
34h 57m
27.3 mm
Wet weather
Also spilling
3 Sept, 00:41
15h 26m
22.8 mm
Wet weather
Also spilling
29 Aug, 00:35
3h 31m
16.9 mm
Wet weather
Also spilling
12 Jun, 08:39
16h 23m
14.3 mm
Wet weather
Also spilling
7 Jun, 13:22
15h 35m
21.5 mm
Wet weather
Also spilling
23 Apr, 08:59
20h 43m
6.5 mm
Wet weather
Also spilling
18 Apr, 09:34
91h 30m
44.9 mm
Wet weather
Also spilling
15 Apr, 15:54
36h 24m
35.4 mm
Wet weather
Also spilling
23 Feb, 12:27
121h 14m
30.8 mm
Wet weather
Also spilling
19 Feb, 21:04
82h 54m
18.4 mm
Wet weather
Also spilling
26 Jan, 09:16
97h 35m
34.7 mm
Wet weather
Also spilling
23 Jan, 11:41
67h 8m
30.7 mm
Wet weather
Also spilling
22 Jan, 17:24
6h 4m
9.2 mm
Wet weather
Also spilling
22 Jan, 09:17
5h 29m
9.2 mm
Wet weather
Also spilling
8 Jan, 12:57
68h 57m
15.8 mm
Wet weather
Also spilling
4 Jan, 19:51
82h 41m
37.7 mm
Wet weather
Also spilling
1 Jan, 20:23
10h 9m
6.3 mm
Wet weather
Also spilling