Lawn Sprinkler System: lifespan, maintenance and replacement

Typical lifespan: 15–25 years (about 20 years).

Maintenance schedule

• Inspect sprinkler heads for damage — Monthly (in season)
• Adjust spray patterns — Seasonally
• Winterize / blow out lines — Annually (fall)
• Spring startup and leak check — Annually (spring)
• Check controller and rain sensor — Monthly

Signs it needs replacing

• Multiple broken heads per zone
• Persistent leaks in main line
• Valves not opening/closing
• Controller malfunctioning
• Uneven water distribution despite adjustments

Tips

A rain sensor can save 20–30% on water bills by skipping irrigation when it rains.