The answer to 'why is my sprinkler system pests' is that a malfunctioning sprinkler system can create an ideal environment for pests like mosquitoes, ants, and rodents. Leaks, standing water, and overgrown vegetation around the sprinkler heads can all attract and harbor different types of pests.
Common symptoms include seeing more insects or rodents around the yard, hearing buzzing or scurrying sounds near the sprinklers, and noticing damage to the sprinkler heads or pipes. To solve the problem, you'll need to identify and fix any leaks, ensure proper drainage, and maintain the landscaping around the sprinklers. In some cases, you may need to treat the area for an existing pest infestation.