Be advised that the City o f Arnold Missouri, Stormwater Division, will be submitting a permit application to the Missouri Department of Natural Resources to renew its Small Municipal Storm Sewer System (MS4) Operating Permit MO-R04C072. The draft permit application and planned compliance Best Management Practices can be viewed on the Stormwater Department page.
A virtual open house will be held during the Arnold City Council Work Session on Thursday, March 12, 2026 at 7:00 pm.
We are accepting comments on the draft permit application through March 23, 2026. Please provide comments via the contact us link or via mail to the City of Arnold Stormwater Department, 2900 Arnold Tenbrook Road, Arnold, M O 63010.