Water restrictions in Johnson County, IA — also called the watering schedule, outdoor irrigation rules, or drought ordinance — set which days and hours you can run sprinklers or irrigation.
The Iowa River valley is water-abundant, so Johnson County keeps no fixed watering schedule and Iowa sets no statewide ban. Any limits are occasional, set by your water utility during a drought, not a permanent odd-even rule.
Iowa's humid-continental climate delivers reliable rain, and Johnson County draws on the Iowa River corridor and deep aquifers, so mandatory watering schedules are not a feature of life here. Neither the state nor the county imposes irrigation days or hours. In a genuine drought, your provider, Iowa City Water, Coralville, North Liberty, or Iowa American Water, may ask for voluntary cutbacks or set a temporary limit, and the Iowa DNR monitors conditions and coordinates the response. Those steps belong to the utility and are short-lived. There is no standing two-day-a-week schedule to follow.
None by default. During a declared drought, watering outside a utility's temporary restriction can bring warnings, surcharges, or service limits under that provider's rules. No county or state penalty applies to ordinary lawn watering.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Johnson County's water restrictions rules stack up against other locations.
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