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Why DIY Sprinkler Inspection Matters
If you’ve noticed brown patches creeping across your lawn or watched your water bill climb during Reseda’s scorching summer months, your sprinkler system might be quietly wasting water and money. In the greater Los Angeles area, where temperatures regularly push past 95 degrees from June through September, irrigation becomes absolutely critical. But here’s the thing: even a single broken head or a misdirected spray can waste hundreds of gallons every week.
Regular DIY inspections help you catch these problems early. A slow leak might not look like much, but over the course of a hot Southern California summer, that drip turns into serious water waste and dollar signs on your utility statement. Plus, uneven watering creates those frustrating dead zones where grass turns crispy while other areas stay soggy. By learning to spot the warning signs yourself, you’ll keep your landscape looking great, reduce water waste, and avoid the sticker shock when your next bill arrives. The best part? Most issues are surprisingly easy to identify once you know what to look for.
Tools You’ll Actually Need (And What to Skip)
Good news: you don’t need fancy equipment to inspect your sprinkler system. Start with a basic flathead screwdriver for opening valve boxes and adjusting spray heads. A decent flashlight (or your phone’s flashlight) helps you see inside dark valve boxes and spot cracks or leaks. Your smartphone camera is actually one of your best tools because you can document problem areas and track changes over time.
Grab a standard garden hose to test individual zones and flush out debris. A simple notepad or note app helps you track which zones need attention and where you spotted issues. Some people buy specialized sprinkler tools, but honestly, you can skip those for basic inspections. A pair of work gloves protects your hands when you’re digging around valve boxes, and a tape measure can help if you’re checking coverage distances. That’s really all you need to get started. The inspection process itself matters way more than having a toolkit full of gadgets you’ll never use again.
Step-by-Step: Inspecting Your System
Start at your controller or timer. Check the settings and make sure the schedule matches your actual watering needs. Many systems in Los Angeles run too frequently because they were programmed years ago and never adjusted. Write down which zones run on which days so you can test them systematically.
Next, run each zone for five to ten minutes while you walk the coverage area. Watch for heads that don’t pop up, spray patterns that hit sidewalks instead of grass, and any visible leaks around the base of sprinkler heads. Look for that telltale fountain effect where water shoots straight up instead of spreading evenly. In Reseda, our clay-heavy soil tends to create runoff quickly, so pay attention to pooling water that might indicate oversaturation or a broken line underground.
Check your valve boxes by opening the lids and looking inside. You want dry boxes. If you see standing water or mud, something’s leaking. Test water pressure by observing whether all heads in a zone pop up fully and spray at the same strength. Weak pressure in one area while others work fine usually means a clog or partial break. Walk your entire property looking for soggy spots, unusually green patches (which might indicate a slow underground leak), or areas where grass is struggling despite regular watering. Take photos of anything questionable so you can monitor whether it gets worse over time.
Common Problems You Can Fix Yourself
You’d be surprised how many sprinkler issues are simple fixes. Clogged nozzles are probably the most common problem. Just unscrew the nozzle, rinse it under your hose, and clear any debris with a small wire or toothpick. The hard water we get in this area leaves mineral deposits that build up over time, so this kind of maintenance really helps.
Misaligned spray heads are another easy win. Most heads twist or have adjustment screws that let you redirect the spray pattern. If your sprinklers are watering the driveway instead of the lawn, a quick adjustment usually solves it. Loose connections at the base of a head might just need tightening. Turn off the system, unscrew the head, check the seal, and screw it back down snugly.
Sunken heads happen when soil settles. You can carefully dig around the head and add soil or use a riser to bring it back to proper height. But here’s where you need to know your limits: if you see a large wet area that won’t dry out, hear water running when the system is off, or find damaged underground pipes, it’s time to call someone who knows what they’re doing. Digging up and repairing buried lines is a different ballgame than adjusting spray heads.
When to Call a Professional
DIY inspections catch a lot of problems, but some situations need trained eyes and proper equipment. Persistent low pressure across your whole system might indicate a main line issue or valve failure that’s tough to diagnose without experience. If you’ve got a section of lawn that stays wet no matter what you do, there’s likely an underground leak that requires excavation and repair.
Controller errors that you can’t reset, zones that won’t turn on at all, or backflow preventer issues also fall into professional territory. These components are critical to your system’s function and your home’s water supply. When you’re buying a property, a thorough sprinkler system inspection should absolutely be part of your overall home inspection process. Hidden issues underground won’t show up during a casual walkthrough.
At Brooke and Sons Inspections, we look at irrigation systems as part of our property inspection services throughout the Los Angeles area. We use specialized tools to test pressure, identify underground leaks, and evaluate controller function in ways that go beyond what you can spot during a DIY check. If you’ve done your inspection and something doesn’t add up, or you just want the confidence that comes from a detailed evaluation, we’re here to help. Ready for a thorough look at your system? Give us a call at (909) 499-2051 or visit our contact page to schedule.