Understanding MS4 Expectations for a Complete Stormwater Infrastructure Record

Municipal Separate Storm Sewer System (MS4) permits rest on a simple idea: you cannot manage what you have not first documented. The Environmental Protection Agency (EPA) defines an MS4 as any publicly owned system of drains, pipes, ditches, or similar conveyances that carries runoff to waters of th…continue

How to Map Municipal Drainage Systems: A Step-by-Step Guide for Local Governments

Municipal drainage systems are often out of sight—and, unfortunately, out of mind. Yet, these underground networks are vital to public safety, environmental protection, and infrastructure longevity. Accurate mapping of stormwater infrastructure is not only a best practice - it’s an opera…continue