Water Providers in Montgomery County
- Ambler Water
- Aqua America Pennsylvania - Norristown
- Aqua Pa - Chalfont
- Aqua Pa - Friendship
- Aqua Pa - Superior Main System
- Aqua Pennsylvania - Flying Hills Water System
- Aqua Pennsylvania - Hatboro
- Aqua Pennsylvania - Spring Run
- Audubon Water Company
- Horsham Water And Sewer
- North Penn Water Authority
- North Wales Water Authority
- PA American Water - Blue Mountain
- PA American Water – Lake Scranton
- Pa American Water - Nesbitt
- Pa American Water - Watres
- Pennsylvania American Water
- Pottstown Water Authority
- Suez Water
Water Providers by City
- Ambler
- Bryn Mawr
- Hatboro
- Horsham
- Horsham
- Lansdale
- Mechanicsburg
- Norristown
- North Wales
- Pottstown
- Willow Grove
