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Utah: Laws & Legal Considerations

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Every other state’s laws page in this section describes how that state’s rules differ from Utah’s. This page describes Utah’s rules directly, the same ones already covered in more depth elsewhere on this site, collected here so this page follows the same format as the other 49.

Rainwater harvesting: two tiers, one free

Storage amountWhat's required
Up to 200 gallons (2 covered containers, 100 gallons each, max) Nothing. No registration, no paperwork.
Up to 2,500 gallons total, on one parcel Free registration with the Utah Division of Water Rights
More than 2,500 gallons, or water for other parcels A full water right, a separate and more involved process

This is covered in full, step-by-step detail in the Legal Rainwater Harvesting in Utah skill guide: how to register, where collection and use are limited to the same parcel where the water is captured, and how to build a system that doesn’t create a mosquito problem in the process.

Where to find it: waterrights.utah.gov/forms/rainwater.asp for registration; the skill guide above for everything else.

Water rights: prior appropriation

Utah uses prior-appropriation water law (“first in time, first in right”), the standard doctrine across the western United States. Every other prior-appropriation state’s laws page on this site, Oregon’s, Washington’s, Arizona’s, and others, describes its own version of this same doctrine as a variant of Utah’s; Utah’s own water rights are administered by the Utah Division of Water Rights, the same office that handles rainwater harvesting registration above.

A slow-moving consequence of this system

The Great Salt Lake and the broader Colorado River system Utah shares an allocation in are both covered in depth, together, in the Case for Preparedness document; the legal mechanism behind both is this same prior-appropriation system, now under real strain from decades of upstream diversion and a shrinking mountain snowpack.

Concealed carry: permitless since 2021

Utah has been a permitless-carry state since House Bill 60 took effect on May 5, 2021, signed by Governor Spencer Cox. Any person 21 or older who may lawfully possess a firearm can carry concealed in public without a permit.

ItemDetail
Minimum age (permitless) 21
Optional Concealed Firearm Permit Still issued, mainly for reciprocity when carrying in other states; available at 21, or 18 for a provisional permit
Effective date May 5, 2021 (HB 60)

Utah is one of 28 permitless-carry states covered across this section, not the first to adopt one (Arizona’s dates to 2010, for instance) but the state every other page in this section is written relative to, since this site’s core audience is here. National Patterns lays out how the age minimums and adoption timelines compare across all 28.

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