Water 💧

This page provides insights into the data from the Water sensor. The charts are based on data representing the water consumption(litres) and min/max/avg temperature per hour for each resource.

Overview

The Water Usage dashboard tracks total water consumption, water cost, and hot-water temperature across the estate. It also surfaces a Sankey distribution view across floors and resources, making it an essential tool for both finance reporting and HTM 04-01 compliance.

Use this dashboard to:

• Monitor consumption against expected usage and detect leaks

• Convert water consumption to cost (£) for finance reporting

• Demonstrate hot-water temperature compliance (HTM 04-01)

• Identify the heaviest-use fixtures and target retrofits

• Detect out-of-hours flow that signals stuck flushes or leaks

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Dashboard Structure

The dashboard is organised into four tabs:

1. Monitoring

2. Data

3. Map

4. Floor Heatmap

A metric switcher toggles every chart between Water Consumption and Water Cost.

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Tab 1 — Monitoring

Total Water Consumption

KPI card.

Total consumption (litres or m³) for the period.

Total Water Cost

KPI card.

Total cost (£) for the period, calculated from consumption, tariff, and standing charge.

Water Temperature Trend

KPI card with thermal indicator.

Average hot-water temperature for the period, with HTM 04-01 status:

• 🟢 PASS — Maximum hot-water temperature ≥ 55°C

• 🔴 FAIL — Maximum hot-water temperature < 55°C

Water stored or distributed below 55°C presents a Legionella risk.

Water Consumption Trend

Line chart with Hourly / Daily / Weekly granularity tabs.

Water consumption over time, with optional cost overlay.

Use it to: spot leaks (a flat baseline rising overnight is a leak signature) and benchmark consumption against expected demand.

Water by Resource

Horizontal bar chart with Top N / Bottom N controls.

Resources or zones ranked by total water consumption or cost.

Use it to: identify the heaviest-use fixtures — typically toilets, showers, and kitchens — for targeted retrofit programmes.

Water by Weekday

Bar chart.

Water consumption or cost by day of the week.

Use it to: detect out-of-hours flow that signals leaks or stuck flushes.

Water Across Floors and Resources

Sankey flow diagram.

A hierarchical flow from Floor → Resource Type → Individual Resource, with ribbon width proportional to consumption.

Use it to: present the building's water-flow story in a single image, suitable for executive and sustainability reporting.

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Tab 2 — Data

Water Data Table

Sortable data grid.

Water consumption readings (m³) and water temperature per resource with timestamps. Supports CSV export.

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Tab 3 — Map

Water Map View

Interactive geographic map.

Buildings plotted on a world map, colour-coded by total consumption.

Use it to: compare water performance across sites and prioritise efficiency programmes.

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Tab 4 — Floor Heatmap

Water Floor Heatmap

Colour-coded overlay on an interactive 2D floor plan.

Water density rendered directly onto the building's floor plan.

Use it to: find consumption hotspots — typically wet rooms, kitchens, and plant areas.

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Filters & Controls

• Building, Floor, Resource, Resource Type

• Date range with presets and custom ranges

• Granularity tabs on trend chart

• Top N / Bottom N selectors on resource ranking

• Metric switcher: Consumption / Cost

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Tips

• Hot-water temperature dips frequently correlate with boiler-cycle timing — share findings with mechanical and electrical engineering teams.

• A sudden water-volume spike with no occupancy spike often signals a stuck flush or leak.

• Use the HTM 04-01 PASS / FAIL indicator as evidence in monthly compliance reporting.