# Arkansas — US boiler and pressure vessel inspection requirements by state

For Arkansas, governing body is Arkansas Department of Labor & Licensing, Boiler Inspection Division; statute citation is Arkansas Code 20-23-101et seq.; and 5-64-1301 through 1303; power boiler inspection interval is one annual internal inspection; one annual external inspection; low-pressure boiler inspection interval is one internal inspection every three years; pressure vessel inspection interval is every two years, recorded from its source on 2026-08-05.

- **State:** Arkansas
- **Governing body:** Arkansas Department of Labor & Licensing, Boiler Inspection Division
- **Statute citation:** Arkansas Code 20-23-101et seq.; and 5-64-1301 through 1303.
- **Power boiler inspection interval:** one annual internal inspection; one annual external inspection
- **Low-pressure boiler inspection interval:** one internal inspection every three years _(verified: appears in the quote below)_
- **Pressure vessel inspection interval:** every two years _(verified: appears in the quote below)_
- **Accepted inspector types:** Insurance company inspectors commissioned by the department (accepted in lieu of department inspector, except field inspections of anhydrous ammonia vessels); inspectors holding a National Board commission employed by insurance company, owner user organization or the State of Arkansas
- **Exemptions:** Air tanks of 12 gallons or less containing 150 psi or less; boilers and unfired pressure vessels under Interstate Commerce Commission inspection regulations; boilers and unfired pressure vessels for domestic purposes in private dwellings and apartment houses of eight or fewer apartments; unfired pressure vessels with MAWP of 15 psi or less; unfired pressure vessels of 5 cubic feet or less or coil-type steam generators without accumulative drum; vessels for liquefied petroleum gas storage; hot-water heaters under 200,000 BTU per hour (except in hospitals, schools, day-care centers, nursing homes); hot-water supply storage tanks with heat input less than 200,000 BTU/hr, water temperature less than 210°F, nominal water-containing capacity less than 120 gallons; pressure vessels integral to mechanical devices; vessels for transporting fluids within a system; water-containing vessels of 120 gallons or less; boilers and vessels for oil, natural gas, or casinghead gas production/distribution/storage/transmission

## What the source says

> Boilers and fired pressure vessels: One annual internal inspection. One annual external inspection. Unfired pressure vessels every two years. Boilers, gas, and electric water heaters located in schools, nursing homes, day-care centers, and hospitals: Once annually. Low-pressure steam-heating boilers: One internal inspection every three years.

## Source

- https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US boiler and pressure vessel inspection requirements by state](https://referencesource.org/boiler-inspection-requirements-by-state/).