Municipal Separate Storm Sewer System refers to a collection of structures designed to gather stormwater and discharge it into local streams and rivers. MS4 is short for, “Municipal Separate Storm Sewer System”, where the word “Municipal” refers to a unit of local government like a borough or a township, but may also refer to an organization responsible for the administration of a developed area. And the number 4 refers to the four words that start with the letter “S”; “Separ

Does stormwater really affect me? Why should I care? Whether you live in a town, the country, a city, or the suburbs – when it rains, the water that runs off needs somewhere to go. Stormwater affects everyone! We are all part of a watershed. Watersheds are land areas that drain to the nearest body of water. For example, if you are in western Pennsylvania, you are part of the Ohio River watershed, while eastern Pennsylvania lands may ultimately drain to the Chesapeake Bay. Sma