Steven Meyer outlines watershed inventory report and mapping requirements at DOA workshop

Steven Meyer, an environmental scientist and the appointed board engineer, presented the completed watershed inventory report and the new mapping requirements tied to the municipal separate storm sewer system permit at a DOA commission workshop.

Meyer told attendees the permit cycle that began in 2023 created a three‑phase process: a watershed inventory (already submitted), a watershed assessment (due by the start of next year) and a watershed improvement plan due at the end of 2027. He said the inventory includes mapped municipal stormwater infrastructure — outfalls, pipes and inlets — and metadata used to estimate drainage areas and to flag waterbody impairments and TMDLs (total maximum daily loads).

Why it matters: the mapping gives towns and the state a consistent base for identifying…