FireYak - Hydrants

FireYak helps fire departments quickly find the nearest usable water source — fire hydrants, suction points, water tanks, fire water ponds and fire stations on an interactive map.

All data comes from the community-driven project OpenStreetMap.

FIND WATER SOURCES NEARBY

• Displays fire hydrants, suction points, water tanks, fire water ponds and fire stations near you
• GPS-based location: see the nearest water sources at a glance
• Distance display in meters and kilometers
• Estimated number of supply hoses

DETAILED INFORMATION

• Hydrant type (pillar, underground, wall)
• Pipe diameter, pressure, flow rate
• Couplings (type, diameters)
• Water source (main, pond, stream, river, lake, tank, well)
• Capacity, reference number, operator, address
• Coordinates and OSM ID

EDIT WATER SOURCES

• Add new hydrants, suction points and water tanks directly in the app
• Edit or delete existing entries
• All changes sync to OpenStreetMap in real time
• OpenStreetMap login

RELAY PUMP / SUPPLY LINE CALCULATOR

• Set fire object (target) and suction point (water source)
• Optional waypoints for routing
• 3D hose distance calculation using elevation data
• Number and position of intermediate pumps
• Pressure at each pump and at the fire object
• Adjustable parameters: output pressure, minimum input pressure

MORE FEATURES

• Start navigation to any water source
• View photos from Wikimedia Commons
• Share a link to any water source
• Open directly on openstreetmap.org or edit in OSM editor
• Dark mode
• Available in English and German
• Completely free and open source