Sprinkler Maintenance Checklist
Make sure the irrigation system is operating properly.
Replace broken or missing sprinkler heads.
Make sure the spray heads turn properly.
Adjust heads so that water does not reach streets and driveways.
Check nozzles for plugging.
Renozzle/spray heads with MP Rotators.
Place straight-sided containers (such as tuna fish cans) around the yard during irrigation and measure water depth so that you know how long it takes to apply ¼ to ½ inch of water.
Place containers on persistent dry spots to determine if poor sprinkler coverage is the problem.
Never water if the soil is still wet.