35-6-12 Storm drainage and floodplains
Unofficial copy. It may be out of date. Not legal or zoning advice. Zoning rules change, and only the city or county can say for sure what is allowed on a property. Confirm with the city or county planning department before you buy, sign or build.
The official Tooele County code is at https://www.tooeleco.gov/departments/development/land_use_ordinance.php.
Text pulled 2026-10-19 from this source.
Chapter 19 is a scanned image on the county's site and is not included.
Tables (like use tables) may not copy cleanly, so check any table against the official code.
Confirm anything here with Tooele County planning before you rely on it.
(1) A storm drainage system for the entire subdivision shall be designed by a professional engineer
licensed in the State of Utah and qualified to perform such work. Existing storm drainage features to be incorporated into the design shall be identified. If the subdivision has phases, a general storm drainage plan for the entire area shall be presented with the design and engineering. Appropriate development stages for the storm drainage system for each phase shall be indicated.
(2) No lot one acre or less in area shall include flood lands. All lots of more than one acre shall contain not less than 40,000 square feet of land at least two feet above the elevation of the 100-year recurrence interval flood or, where such data is unavailable, five feet above the elevation of the maximum flood of record.
(3) Storm drainage systems shall be designed to consider the storm drainage basin. They shall accommodate not only runoff from the subdivision but also, where applicable, the runoff from those areas adjacent to and upstream from the subdivision itself and its effects on lands downstream. (Ord. 2022-32, 11/29/22)