Delta Hydro Studio
FreemiumVerified
Browser-based hydrology and hydraulics calculators for practising engineers — no install, report-ready output.
Urban Stormwater & InfrastructureActiveRational MethodCulvert Sizing
5 tools · Topic
Pump Selection & System Curve Tools
Pump-system design lives at the intersection of a system curve and a manufacturer’s chart. Indexed here: system-curve calculators, affinity-law utilities and network models with proper variable-speed pump support.
EPANET
Gov-PublicVerified
The public-domain standard for water distribution modelling — hydraulics and water quality in pressurised networks.
Water Distribution & QualityActiveEPANETWater Distribution Modelling
OpenFlows HAMMER
Commercial
Bentley's transient analysis package — the commercial standard for surge studies on pumping mains.
Water Distribution & QualityActiveWater HammerPump Systems
OpenFlows WaterGEMS
Commercial
Bentley's flagship distribution suite — design, optimisation and criticality on EPANET-compatible hydraulics.
Water Distribution & QualityActiveWater Distribution ModellingPipe Network Analysis
TSNet
Open Source
Open-source water hammer simulation in Python — method-of-characteristics transients on EPANET networks.
Water Distribution & QualityDormantWater HammerEPANET