Information for Contractors

Detention Requirements

Refer to the Ohio Environmental Protection Agency (EPA) current "Construction General Permit" and to the City's "Stormwater Runoff Control" Document, available upon request from the City Engineering Division.

Land to Lake WebsiteVisit Land to Lake for information on Stormwater Management, Urban Forestry, Public Projects and more.

Report Suspected Problems

If you see a potentially hazardous material flowing into a storm sewer, ditch or waterway, immediately contact one of the following authorities:

City of Defiance

Defiance County

  • Local Emergency Planning Coordinator Phone: 419-782-1130


  • Ohio EPA 24-Hour Emergency Response Hotline: 800-282-9378

Every Drop Counts