The answer to 'sprinkler system turning brown' is that a brown lawn or vegetation around your sprinkler heads is often a sign of an issue with your sprinkler system. Common causes include broken or clogged sprinkler heads, leaks in the system, improper watering schedules, or underlying soil or lawn health problems.
If you notice brown spots or areas around your sprinkler heads, first check the sprinkler heads themselves. Look for any cracks, clogs, or damage that may be preventing proper water flow. You can also try adjusting the spray patterns and coverage of the sprinklers. If the issue persists, it could indicate a larger problem like a leak in the pipes or a malfunctioning valve. In these cases, it's best to call in a professional sprinkler repair technician to diagnose and fix the issue.