Now in early access

Flood hydrology, reimagined.

Every FEH method. Every equation. Every climate scenario. Computed in seconds, presented as a decision tree. The modern platform UK flood risk professionals have been waiting for.

hydrometric.app/analyse/39001
QMED
Q100
Q1000

The industry standard hasn't changed in 20 years

Flood risk professionals deserve better than legacy desktop tools, manual Excel workflows, and opaque pricing.

Legacy desktop software

Windows-only tools from the 2000s. WINFAP crashes mid-analysis. ReFH2 has no undo. Nothing runs on Mac or web.

Manual Excel workflows

Copy-paste results between WINFAP, ReFH2, and FEH Web Service. Format tables by hand. Repeat for every project.

Opaque pricing

Multi-thousand pound annual licences. Per-seat fees. No public pricing — you have to phone for a quote.

No collaboration

Emailing .cd3 files around. No version history. No way to share an analysis or review a colleague's work.

Everything you need, nothing you don't

All FEH methods in one platform. Statistical, ReFH2, climate change — run them all in parallel and compare results instantly.

All methods, one platform

FEH Statistical, ReFH2 rainfall-runoff, climate change allowances. No more switching between five different tools.

Real-time analysis

Every method runs in parallel. QMED, growth curves, ReFH2, climate scenarios — all computed in ~15 seconds.

2008 + 2025 equations

First tool to show both FEH equation sets side by side with automatic comparison and variance highlighting.

AI-assisted analysis

Smart defaults, inline warnings, suggested donor stations. AI copilot suggests — you decide.

Interactive maps

Vector tile maps with 1,500+ NRFA stations. Catchment boundaries, LiDAR overlays, spatial search.

Publication-quality charts

D3-powered growth curves, hydrographs, and L-moment diagrams. Export-ready for FEH technical notes.

CD3 catchment import

Drag and drop .cd3 files. Edit catchment boundaries on-map. Import descriptors automatically.

Auto-generated reports

FEH technical notes generated from your analysis. Graphs, tables, methodology — no more copy-paste.

From station to report in three steps

What used to take hours of switching between tools now takes seconds.

1

Select a station or import a catchment

Search 1,500+ NRFA stations by name, river, or grid reference. Or import a .cd3 catchment boundary for ungauged sites.

2

Every method runs in parallel

QMED (2008 + 2025), donor adjustment, pooling groups, GLO/GEV growth curves, ReFH2, climate change — all in ~15 seconds.

3

Review decision tree, generate report

See every pathway explored, every alternative considered. Select your preferred method and generate a complete FEH technical note.

A better way to work

See how Hydrometric compares to the traditional workflow.

Traditional workflow
  • Five separate tools: WINFAP, ReFH2, FEH Web Service, Excel, Word
  • Hours of manual data transfer and reformatting
  • Run one method at a time, start over if you change approach
  • Copy-paste results into Word documents
  • No audit trail — impossible to review assumptions
  • Windows-only, single-user, no collaboration
With Hydrometric
  • One platform for every FEH method
  • All methods computed in parallel in ~15 seconds
  • Decision tree shows every pathway — switch approach instantly
  • Auto-generated FEH technical notes with charts and tables
  • Full audit trail of every parameter choice and override
  • Web-based, cross-platform, real-time collaboration

Simple, transparent pricing

No opaque quotes. No per-seat surprises. Start free, upgrade when you're ready.

Free

Perfect for students and evaluation.

£0
  • 5 analyses per month
  • All FEH methods included
  • Interactive station map
  • Basic report export
  • Community support
Get started free
Recommended

Professional

For practising flood risk consultants.

£49/month
  • Unlimited analyses
  • All FEH methods + AI copilot
  • Auto-generated technical notes
  • CD3 import & boundary editing
  • Priority email support
  • Custom branding on reports
Start free trial
Coming soon

Team

For consultancies and engineering firms.

£39/user/month
  • Everything in Professional
  • Shared projects & analyses
  • Team admin panel
  • SSO / SAML authentication
  • Volume discounts
  • Dedicated account manager
Contact us
Open source

Built in the open

The calculation engine is open source. Every formula, every coefficient, every assumption is auditable. No black boxes. Trust but verify.

Transparent calculations

Every formula is open source and auditable.

FEH compliant

Implements published FEH methods exactly.

Community driven

Built by practitioners, for practitioners.

Ready to modernise your flood risk workflow?

Join the early access programme. Start analysing for free — no credit card required.