Montana · Pools and spas

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

Operation: ARM 37.115.106 adopting Circular FCS 3-2022, 2021 Int'l Swimming Pool & Spa Code and ANSI/APSP/ICC 7-2020 (effective Feb 25, 2023); construction: 2024 ISPSC under ARM 24.301 (effective Sep 26, 2026). Enforced by DPHHS and local health officers (licensing/sanitation); DLI (construction code), statewide. Checked on the primary source; the state record was last reviewed 2026-11-12.

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Pools and spas in Montana

Checked on the source

In force

Operation: ARM 37.115.106 adopting Circular FCS 3-2022, 2021 Int'l Swimming Pool & Spa Code and ANSI/APSP/ICC 7-2020 (effective Feb 25, 2023); construction: 2024 ISPSC under ARM 24.301 (effective Sep 26, 2026)

DPHHS pool page: ARM 37.115.106 was amended to adopt Circular FCS 3-2022, the 2021 ISPSC and ANSI/APSP/ICC 7-2020, effective Feb 25, 2023; DPHHS reviews plans for public pools, spas and water features. DLI's building code package lists the 2024 ISPSC effective Sep 26, 2026. See CONFLICT note on editions.

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; confirm the local office for the address.

What changes next

Rulemaking pending

No pending DPHHS pool rule listed on the page re-read Oct 18, 2026 (ARM 37.115.106 / Circular FCS 3-2022 eff. Feb 25, 2023); DLI lists the 2024 ISPSC for construction effective 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.

What a building has to do

1 recurring duties

These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.

Annual

Public pool or spa: operating permit and health inspectionsState or county pool rules · Health department · Not yet checked line by line against the source.

Questions about the public pool and spa rules in Montana

Which public pool rules apply in Montana today?

Operation: ARM 37.115.106 adopting Circular FCS 3-2022, 2021 Int'l Swimming Pool & Spa Code and ANSI/APSP/ICC 7-2020 (effective Feb 25, 2023); construction: 2024 ISPSC under ARM 24.301 (effective Sep 26, 2026). DPHHS pool page: ARM 37.115.106 was amended to adopt Circular FCS 3-2022, the 2021 ISPSC and ANSI/APSP/ICC 7-2020, effective Feb 25, 2023; DPHHS reviews plans for public pools, spas and water features. DLI's building code package lists the 2024 ISPSC effective Sep 26, 2026. See CONFLICT note on editions.

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?

Rulemaking pending. No pending DPHHS pool rule listed on the page re-read Oct 18, 2026 (ARM 37.115.106 / Circular FCS 3-2022 eff. Feb 25, 2023); DLI lists the 2024 ISPSC for construction effective Sep 26, 2026