Private fire hydrants are inspected and maintained annually under NFPA 25 Chapter 7. Each annual visit includes a visual inspection, a full-flow flush until the water runs clear (at least one minute), lubrication of the stems, caps, plugs and threads, and — for dry-barrel hydrants — verification that the barrel drains completely so it cannot freeze.
The annual inspection checks that each hydrant is:
- Accessible and visible, with no obstructions
- Free of leaks, cracks and corrosion
- Fitted with caps and outlets in serviceable condition, threads undamaged
- Opened and flushed at full flow for at least one minute until the discharge runs clear
- Lubricated (stems, caps, plugs and threads)
- Draining correctly after use (dry-barrel types)
The annual maintenance visit is separate from the periodic flow test — the test with pitot gauge readings that establishes the available flow and residual pressure for the water supply. Both need documenting: the authority having jurisdiction and the property's insurer will ask for the records.
CertBox includes a private fire hydrant annual inspection report that records the NFPA 25 Chapter 7 checklist hydrant by hydrant, with a professional PDF for the owner.
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