Catchment: Derwent

Current state for 2026-08-07.

Stable

No storm-overflow-linked anomaly is active today.

The catchment view is coherent across the three sensor positions.

Catchment health score

99 /100
StatusStrong
Alerts0
Watch0
Avg trust1.00
  • No material cross-sensor stress signal is currently visible in the prepared data.



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What this says commercially

Catchment health is currently rated 99/100 (Strong). 0 alert-state sensor(s) and 0 watch-state sensor(s) are active in today's prepared view. The catchment is broadly stable with coherent cross-sensor behaviour, which is the kind of calm-state view customers expect from a production monitoring product.

What this means operationally

All three sensor positions are currently close to prepared expected conditions. Overflow-related risk is currently low, so unexplained local changes would deserve more attention if they emerge. No strong catchment-wide stress signal is present in the prepared indicators for today.

Flow m³/s
—
Rainfall influence mm/last 6h
0.0
Air temperature °C
18.0
Overflow Incidents
0

Current sensor state

Upstream, Midstream and Downstream

Upstream

Stable
102.1%
8-day trend -0.9
Today avg
98.4%
Expected
99.4%
Variance
-1.1
vs yesterday-1.5
vs last week-0.9
vs last month-2.6
vs last year-2.7
Water temp11.6°C
Trust1.00

Midstream

Stable
101.3%
8-day trend +0.4
Today avg
94.7%
Expected
95.6%
Variance
-0.8
vs yesterday-3.7
vs last week—
vs last month-4.6
vs last year-4.5
Water temp12.1°C
Trust0.99

Downstream

Stable
104.2%
8-day trend -2.6
Today avg
98.3%
Expected
97.6%
Variance
+0.7
vs yesterday-2.7
vs last week-2.6
vs last month-1.1
vs last year-2.8
Water temp12.0°C
Trust1.00

Overflow: Low risk

0 /100
Rain 6h max0.0
Overflow overlap0
Flow latest—
  • No strong overflow-linked drivers are active.

Alerts

Storm-overflow-linked anomalies

No storm overflow anomalies are likely today.

Main view

Observed vs expected today

Influencing factors

Flow, weather and overflow context

Catchment interpretation

What a user would likely ask first

  • No strong catchment-wide stress signal is present in the prepared indicators for today.

Calendar-accurate comparisons

Comparison dates used

Yesterday06 Aug 2026
Last week31 Jul 2026
Last month07 Jul 2026
Last year07 Aug 2025