Montana · Pools and spas

The public pool and spa rules in force in Montana now.

Construction: 2024 Int'l Swimming Pool & Spa Code (ARM 24.301); Operation/licensing: MCA Title 50 ch.53. Enforced by DPHHS and local health officers (licensing/sanitation); DLI (construction code), statewide. Verified on the primary source, re-checked weekly.

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Pools and spas in Montana

Verified on the source
In force

Construction: 2024 Int'l Swimming Pool & Spa Code (ARM 24.301); Operation/licensing: MCA Title 50 ch.53

DPHHS and local health officers license and inspect public pools/spas for sanitation and safety (Title 50 ch.53); DLI separately sets pool/spa construction standards, updated to the 2024 edition effective Sep 26, 2026.

Source: primary document

Who enforces it

DPHHS and local health officers (licensing/sanitation); DLI (construction code), statewide

Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.

What changes next

In force

Construction code updated Sep 26, 2026

The federal layer

The federal Virginia Graeme Baker Pool and Spa Safety Act (drain covers and anti-entrapment) applies to every public pool alongside the state rule below.

Dated items

Next 24 months
Sep 26, 2026
Statewide switch to 2024-cycle codes: IBC, IRC, Int'l Existing Building Code, Uniform Plumbing Code, Wildland Urban Interface Code, and Int'l Swimming Pool & Spa Code, plus 2023 NEC, all under ARM 24.301Montana DLI Building Codes Bureau
Dated

Questions about the public pool and spa rules in Montana

Which public pool rules apply in Montana today?

Construction: 2024 Int'l Swimming Pool & Spa Code (ARM 24.301); Operation/licensing: MCA Title 50 ch.53. DPHHS and local health officers license and inspect public pools/spas for sanitation and safety (Title 50 ch.53); DLI separately sets pool/spa construction standards, updated to the 2024 edition effective Sep 26, 2026.

Who enforces the public pool and spa rules in Montana?

DPHHS and local health officers (licensing/sanitation); DLI (construction code), statewide.

What changes next for the public pool and spa rules in Montana?

Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.

Other areas in Montana

Everything in force in Montana

Priced per building. Your whole team is included.

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