All hydrants should be inspected at least every how many years?

• A. Once per decade
• B. Every 3 years
• C. Every year
• D. Every 6 months

Answer: (C)

Regularly inspecting hydrants ensures they will work when needed and that nothing will block or impede them during an emergency. The minimum interval most utilities and fire protection standards rely on is once a year because hydrants are exposed to weather, corrosion, and wear, and debris or vegetation can creep in around the outlet and opening. An annual check verifies essential functions: the valve operates smoothly, there are no leaks at the base or barrel, the drain works after opening the hydrant, caps seal and can be removed, and the hydrant remains accessible and clearly visible. It also provides an opportunity to address simple maintenance tasks like cleaning, painting, and clearing surrounding vegetation, so the hydrant is ready for rapid use by firefighters. Less frequent inspections risk undetected failures, while more frequent checks aren’t typically required as a minimum unless a department has a dedicated, more aggressive maintenance program. Hence, inspection at least once a year is the standard and best practice.