From Paper Plans to GIS: Digitizing Historic Drainage Records

Every municipality owns drawers, or entire vaults, of ageing drainage “plan sets”: linen originals from the 1930s, blueprint mylars from the 1960s, contractor mark-ups from a 1998 sewer separation project, and everything in-between. Transforming those static sheets into a living GIS data…continue

How to Create a Drainage System Map

An essential guide for municipalities, engineers, and field teams Mapping a drainage system is a critical task for municipalities aiming to improve stormwater management, identify illicit discharges, support maintenance planning, and ensure regulatory compliance (e.g., MS4). A well-structured draina…continue