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Jefferson County planners continue culvert variance after staff warns of possible Army Corps jurisdiction
Summary
A Jefferson County homeowner who extended a 3-foot culvert was told by county stormwater staff his work likely violates UDO stormwater rules and may be jurisdictional under Army Corps regulations. The Planning and Zoning Commission continued PB25-58 to January 2026 to allow the petitioner and county to develop a mitigation/revegetation plan.
The Jefferson County Planning and Zoning Commission on [meeting date] continued PB25‑58, a variance request involving an extended culvert in a mapped stream buffer, after county stormwater staff said the work failed to meet local stormwater code and might trigger federal review.
Michael Cook, Jefferson County stormwater manager, told the commission complaints prompted an inspection that found improvements inside a protected stream buffer. Citing the county’s stormwater code (section 505) and the Unified Development Ordinance (Chapter 400), Cook said the county’s environmental engineering consultant recommended denial because the application did not address required mitigation measures and protections. He added the creek “could be jurisdictional water from the Army Corps of Engineers,” which could trigger Clean Water Act permitting requirements (Section 404/401), and recommended confirming jurisdiction with the Corps before final action.
Petitioner Dan Compton said he had extended an existing 3‑foot culvert and graded his front yard to make a usable lawn. “I’ve spent $25,000 doing it,” Compton said, arguing the feature is a seasonal runoff ditch that’s dry the majority of the year and that neighbors support the work. Several nearby residents said they had seen no erosion problems and urged leniency.
Commissioners debated options including denial, approval with conditions, or a continuance to allow the county and applicant to prepare a mitigation plan. Several commissioners and staff emphasized the county’s long-standing obligation to enforce stream-buffer protections and the downstream risks of impeding flows. Staff proposed two steps: first, confirm whether the Army Corps considers the waterway jurisdictional; second, work with the petitioner on a revegetation and restoration plan that includes velocity control and native plantings.
The commission voted to continue PB25‑58 to the first available meeting in January 2026 (the chair noted January 8 as the likely date if the schedule is adopted). The motion passed on roll call by a tally announced as 7 yeas and 1 nay.
What happens next: County stormwater staff will work with the petitioner to determine jurisdiction with the U.S. Army Corps of Engineers and to develop a revegetation/restoration plan and mitigation measures that address the requirements of Stormwater Code 505 and the UDO before the continued hearing.
