Water tunnel (physical infrastructure)
Water tunnels are tunnels (below-ground channels) used to transport water to areas with large populations or agriculture. They are part of aqueducts.
Notable water tunnels, or systems including water tunnels
- Angeles Tunnel
- Irtysh–Karamay–Ürümqi Canal
- Metropolitan Water District of Southern California
- Moffat Tunnel
- New York City water supply system
- New York City Water Tunnel No. 3
- Päijänne Water Tunnel