If you need sprinkler repair in Woodland, WA, the symptom you can see is rarely the whole problem. A soggy strip in the lawn can be a cracked lateral, a valve that never fully closes or a fitting split by last winter's freeze. We trace the cause, fix it properly and test the zone before we leave.
Bogar Landscaping repairs residential and commercial sprinkler systems across Clark and Cowlitz County. We handle leaks, heads, valves, wiring, controllers, drip, fall blowouts and spring start-ups, on city water and private wells.
What Our Sprinkler System Repair in Woodland, WA Covers
- Heads. Broken, clogged, sunken or tilted heads replaced, raised or straightened.
- Valves. Zones that will not turn on, will not shut off or weep between cycles, from worn diaphragms, debris or failed solenoids.
- Wiring and controllers. Cut or corroded wires traced, controllers reset, replaced or upgraded to a weather-based model.
- Pipe and fittings. Cracked laterals, split fittings and mainline breaks dug out and repaired.
- Freeze damage. Cracked backflow assemblies and fittings repaired or replaced, followed by the retest state rules require.
- Coverage. Dry spots and overspray fixed by moving, adding or re-aiming heads, which matters most on new sod.
- Drip. Chewed tubing, clogged emitters and failed filters in planting beds.
Sprinkler Leak Detection & Repair
Irrigation leaks hide underground and run every time the zone does. EPA WaterSense estimates a leak 1/32 of an inch across, about the thickness of a dime, can waste about 6,300 gallons a month. How we find them:
- Meter test. With every fixture and zone off, a moving meter points to a mainline or valve leak.
- Zone-by-zone run. We watch for low pressure, bubbling, geysers or heads that barely pop up.
- Ground and valve check. Soggy spots, sinking soil, extra-green strips, and valves that weep after shutoff.
- Dig and repair. We open the ground by hand, replace the damaged section, flush the line and retest before resetting the turf.
Signs Your Sprinkler System Needs Repair
- A water bill that jumps with no change in watering.
- Soggy patches or puddles that stay wet between cycles.
- Brown strips or dry rings in an otherwise green lawn, the kind a regular lawn mowing crew notices early.
- A zone that will not shut off, or runs with the controller off.
- Heads that mist, geyser or never pop up.
- Water at the backflow assembly when the system starts in spring.
How a Sprinkler Repair Visit Works
- Tell us the symptoms. Which zones, and since when.
- Run the system. Every zone, not just the one you noticed.
- Find the cause. Meter test, valve and wiring checks, and probing wet spots.
- Explain and quote. You hear what failed and why before we fix it.
- Repair. Parts matched to your system, dug by hand to protect nearby lines.
- Retest and tune. Arcs, run times and controller settings adjusted.
- Flag the backflow retest if the assembly was repaired, as state rules require.
Common Sprinkler Problems and Typical Fixes
| Problem | Likely cause | Typical fix |
|---|---|---|
| Zone will not shut off | Debris in the valve, worn diaphragm | Clean or rebuild the valve |
| Zone will not turn on | Cut wire, bad solenoid, controller fault | Trace wiring, replace solenoid |
| Geyser or sinkhole | Broken head or cracked lateral | Replace head, repair pipe |
| Low pressure in one zone | Leak, partly closed valve, clogged filter | Find the leak, clear the filter |
| Dry spots | Clogged or misaligned heads, mixed nozzles | Clean, re-aim, match nozzles |
| Water at backflow in spring | Freeze crack | Repair or replace, then retest |
A lot of sprinkler repair in Woodland traces back to local culprits: Douglas fir and laurel roots crushing shallow lines, clay that heaves through wet winters, and voles chewing drip tubing.
Fall Sprinkler Winterization and Blowout
Water left in pipes, valves and the backflow assembly expands when it freezes, and the backflow assembly is usually the first part to crack. NOAA's 1991 to 2020 normals put the median first fall freeze at November 5 in Longview and October 16 in Battle Ground. That puts blowout season in early October for hillside and inland homes and by early November near the river.
- Shut off the irrigation supply at the isolation valve and set the controller to off.
- Drain the backflow assembly and set its valves the way the manufacturer specifies.
- Blow out each zone with compressed air at controlled pressure until heads run dry.
- Protect above-ground parts with insulation where they are exposed.
Spring Start-Up and Backflow Testing in Woodland
NOAA puts Longview's median last spring freeze at April 8, and Battle Ground's at April 26, so most systems here start up in April or early May, ahead of the dry summer. A start-up means opening the supply slowly, checking the backflow assembly for freeze cracks, running every zone and resetting the controller, following EPA's Sprinkler Spruce-Up routine.
Washington's cross-connection rule, WAC 246-290-490, requires backflow assemblies to be tested at installation, after any repair or relocation, and annually after that, by a Backflow Assembly Tester with Department of Health certification. Your water purveyor runs the program. Inside Woodland, the city Water Department has performed annual backflow testing since January 1, 2024. Clark Public Utilities publishes a list of testers for its water customers.
What Affects the Cost of Sprinkler Repair in Woodland
- Diagnosis time. A broken head is quick; an intermittent wiring fault or a slow mainline leak takes longer to trace.
- Depth and location. Leaks under walks, driveways or tree roots take more digging.
- Parts. A nozzle costs far less than a valve manifold or backflow assembly.
- Number of zones for blowouts and start-ups.
- Turf restoration after digging.
For older systems with constant breaks, a rebuild may cost less over time. Our sprinkler and irrigation installation page covers new systems and drip conversions.
