Water restrictions in Sioux City, IA — also called the watering schedule, outdoor irrigation rules, or drought ordinance — set which days and hours you can run sprinklers or irrigation.
Most U.S. cities with watering restrictions split residential irrigation days by street address: odd-numbered houses water on one set of days, even-numbered on another, with at least one no-watering day per week. Time-of-day rules typically prohibit watering between 10 a.m. and 6 p.m. to limit evaporation. Drought-level declarations can further reduce permitted days.
Sioux City, IA's exact schedule may differ — see the rule below or your local water utility for current restrictions, including any drought-level overrides.
Sioux City operates under a Water Conservation Plan required by its Iowa DNR Water Use Permit rather than year-round restrictions in the municipal code. The Water Plant uses a staged program that begins with voluntary odd/even outdoor watering and escalates only during declared shortages.
Iowa DNR rules tied to municipal Water Use Permits require Sioux City to keep a Water Conservation Plan on file. The Water Plant publishes the plan and asks residents during dry stretches to follow voluntary odd/even outdoor watering: even-address houses water on even calendar days, odd-address houses on odd days. There are no permanent day-of-week or time-of-day restrictions in the Municipal Code. Mandatory restrictions take effect only when the city moves the plan into a higher stage during drought; press releases and the Water Plant page announce the trigger. Outdoor uses like lawn irrigation, washing vehicles, and filling pools are the first to be restricted when stages escalate.
Voluntary stages carry no fines. If the Water Plant moves to a mandatory stage, the city issues municipal infraction citations under SCMC 1.04.100 and can throttle or shut off non-compliant accounts.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Sioux City's water restrictions rules stack up against other locations.
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