20250725 13033700 1.0 TRUE PureTechnologies Sample - Huron "A" Pipe Location Check Layer information taken from pipe inspection undertaken by Pure Technologies Ltd. The Lake Huron & Elgin Area Primary Water Supply Systems | Produced For: Corporation of the City of London – Environmental & Engineering Services - Regional Water Supply | Produced by: Pure Technologies | Stewardship by: Environmental & Engineering Services - Roads & Transportation/ Geomatics.