The Hamilton County Storm Water District (District) has been established to comply with the provisions of the Federal Water Pollution Control Act as mandated under the National Pollutant Discharge Elimination System (NPDES) Phase II storm water permitting program. The District is authorized to discharge to surface waters of the state in accordance with conditions specified in the Ohio EPA NPDES Small Municipal Separate Storm Sewer Systems (MS4s) general permit.
The co-permittee District consists of all 12 townships and 23 municipalities in Hamilton County designated by Ohio EPA as regulated small MS4s through their automatic nationwide designation as an urbanized area based on the latest Census.
We invite you to browse our website to learn more about storm water, the District, and its programs which demonstrate commitment to storm water issues. New information will continually be added to this website.
Here is some Information for new home owners on their responsibilities and rights regarding storm water drainage
District Annual Reports
2021 District Meeting Schedule
Oversight Board Meeting Minutes
Request a Classroom Visit
Order a Soil Test Kit
Ask a Question
Learn About Upcoming Training Opportunities
This simple tool, provided by the Ohio EPA, allows you to check the quality of waterways in your area. Click here, to check the status of your waterway.