Start with the problem you can see. These answers cover 20 common sprinkler, irrigation, and drainage questions from Temecula homeowners. Any prices shown are nationwide industry estimates—not our prices—and the actual work depends on what we find at the property.
Serving Temecula and nearby Murrieta. If the water shows up after rain rather than a sprinkler cycle, start with our drainage solutions page.
1. How much does sprinkler repair cost in Temecula?
Cost depends on the failed component, access and the extent of the repair. The cost guide explains common factors and national benchmarks. An inspection is needed for a property-specific estimate.
How we help: We run the affected zones, isolate the failing part, explain the repair and quote the work after inspection.
Read the full answer · Related service guide · Call us
Sources: Angi national 2026 repair cost data · Rancho Water efficiency tips
2. Why is one sprinkler zone not working?
The controller may be off, a start time or rain sensor may block watering, a wire or solenoid may have failed, or the valve may have no water.
How we help: We test the station manually, check controller output and wiring, inspect the valve and water supply, then repair the failed part and retest the zone.
Read the full answer · Related service guide · Call us
Sources: Hunter controller troubleshooting · Rain Bird homeowner troubleshooting
3. Why is sprinkler water pressure low?
A broken head, blocked nozzle, partially closed valve, pipe leak or too many heads for available flow can weaken a zone. Compare it with other zones first.
How we help: We check supply and pressure, inspect heads and filters, trace the valve and lateral line, correct the cause and confirm coverage.
Read the full answer · Related service guide · Call us
Sources: Rain Bird homeowner troubleshooting · Rancho Water efficiency tips
4. How can I tell if a sprinkler pipe leaks underground?
Wet or unusually green patches, erosion and a drop in pressure while a zone runs may point to a buried lateral-line leak. Water collecting after rain can instead be a drainage issue.
How we help: We run zones separately, locate the wet section, expose only the needed area, repair the pipe or fitting, pressure-test and restore the disturbed area.
Read the full answer · Related service guide · Call us
Sources: Angi national 2026 repair cost data · Rancho Water efficiency tips
5. Why are sprinkler heads not popping up?
Soil around a stem, a clogged filter, broken head or low zone pressure can keep a pop-up head down.
How we help: We clear the obstruction, test pressure and flow, clean or replace the head or nozzle, then adjust its spray and check neighboring coverage.
Read the full answer · Related service guide · Call us
Sources: Rain Bird pop-up sprinkler repair guide · Rain Bird homeowner troubleshooting
6. Why will my sprinklers not shut off?
A valve manually opened, debris or a damaged diaphragm in the valve, or a controller/program problem can keep water flowing. If water continues with the controller off, a mechanical valve problem is more likely.
How we help: We shut off irrigation water when needed, isolate the valve, inspect the solenoid and diaphragm, repair or replace the failed part and test shutoff.
Read the full answer · Related service guide · Call us
Sources: Hunter valve troubleshooting · Hunter controller troubleshooting
7. Why is there water in the sprinkler valve box?
A wet box after watering can be rain or runoff entering the box, or a leaking fitting, manifold or valve. Persistent flow deserves a closer look.
How we help: We dry and observe the box, operate each zone, check connections and valve bodies, then repair the source and retest.
Read the full answer · Related service guide · Call us
Sources: Hunter valve troubleshooting · Rancho Water efficiency tips
8. How much does sprinkler valve replacement cost?
The valve type, condition of the surrounding fittings and access to the manifold affect the repair scope. Ask whether the estimate includes a repair, a complete replacement or work on adjacent fittings.
How we help: We test whether a solenoid, diaphragm, wiring or whole valve is faulty before recommending replacement, then verify every affected zone.
Read the full answer · Related service guide · Call us
Sources: Angi national 2026 repair cost data · Hunter valve troubleshooting
9. Why does a sprinkler head leak when the system is off?
Water that stops after a short time may be residual water draining from a low head; steady flow can mean the zone valve is not sealing.
How we help: We compare timing and location, inspect the valve, and recommend a check valve or valve repair based on the cause.
Read the full answer · Related service guide · Call us
Sources: Hunter low-head drainage guidance · Rain Bird pop-up sprinkler repair guide
10. Why are there dry spots or uneven sprinkler coverage?
Blocked or tilted heads, mismatched nozzles, pressure problems, poor spacing and schedule or soil differences can all create dry patches.
How we help: We walk each zone, adjust or replace heads and nozzles, inspect pressure, then test coverage and scheduling.
Read the full answer · Related service guide · Call us
Sources: Rain Bird pop-up sprinkler repair guide · Rancho Water efficiency tips
11. Should I repair an old sprinkler system?
Age alone does not decide it. A localized head, valve or pipe repair may be sensible; repeated failures across zones or obsolete controls may favor a phased upgrade.
How we help: We inspect the components, prioritize leaks and failures, compare repair scope with upgrade options and explain the tradeoffs before work.
Read the full answer · Related service guide · Call us
Sources: Rain Bird older-product upgrade guide · EPA WaterSense sprinkler tune-up
12. How long does a sprinkler system last?
There is no single reliable expiration date for the whole system. Heads, valves, wiring, pipes and controllers age differently depending on installation, water quality, soil, sun and maintenance.
How we help: We evaluate parts by condition and performance rather than assuming the entire system needs replacement on a fixed schedule.
Read the full answer · Related service guide · Call us
Sources: Rain Bird older-product upgrade guide · EPA WaterSense sprinkler tune-up
13. Why is my sprinkler controller not working?
Check power, display, start times, rain sensor and manual run first. If a station still fails, the wire, solenoid or controller output may be at fault.
How we help: We test power and programming, run stations manually, check circuits and replace or reprogram only what is needed.
Read the full answer · Related service guide · Call us
Sources: Hunter controller troubleshooting · Rain Bird product manuals and support
14. Should I upgrade to a smart sprinkler controller?
A weather-based controller can adjust schedules to conditions, but it still needs correct zone settings and sound irrigation hardware. Rancho Water has a current program for eligible customers; check eligibility before buying.
How we help: We confirm station count and wiring, select compatible hardware, install and program zones, then test coverage and the weather settings.
Read the full answer · Related service guide · Call us
Sources: Rancho Water smart-controller program · EPA WaterSense sprinkler tune-up
15. Can an irrigation leak cause a high water bill?
Yes. A stuck valve, pipe leak, broken head or excessive schedule can increase use. Compare the bill and meter with the watering schedule and watch for wet areas.
How we help: We isolate zones, check the meter and controller, locate the leak or programming error, repair it and retest.
Read the full answer · Related service guide · Call us
Sources: Rancho Water bill and leak guidance · Rancho Water efficiency tips
16. Should I repair or replace a sprinkler controller?
A bad program, power source or one wiring fault may be repairable. Replacement can make sense when the unit is physically damaged, unsupported or cannot operate required stations.
How we help: We diagnose the controller and field wiring separately, explain repair and upgrade options, then program and test all zones.
Read the full answer · Related service guide · Call us
Sources: Hunter controller support · Rain Bird older-product upgrade guide
17. Why are two sprinkler zones running together?
Overlapping programs, a controller feature, crossed station wiring or a valve stuck open can make zones overlap. Some controllers intentionally allow simultaneous operation.
How we help: We check program start times and features, test one station at a time, inspect wires and valves, then correct the fault and verify sequencing.
Read the full answer · Related service guide · Call us
Sources: Hunter simultaneous-zone support · Hunter controller troubleshooting
18. How do you repair a broken underground sprinkler pipe?
The damaged section must be located and exposed carefully, with the irrigation supply shut off and the line depressurized. The right fitting depends on pipe material and location.
How we help: We isolate the zone, excavate the failure, replace the damaged pipe or fitting, flush and pressure-test, then backfill.
Read the full answer · Related service guide · Call us
Sources: Angi national 2026 repair cost data · EPA WaterSense sprinkler tune-up
19. Can you repair Rain Bird or Hunter sprinklers?
Common heads, valves and controllers from both brands have product-specific manuals and parts. The correct model and symptom matter more than the logo alone.
How we help: We identify the model, test the zone and controller, follow manufacturer guidance, install compatible parts and verify operation.
Read the full answer · Related service guide · Call us
Sources: Rain Bird product manuals and support · Hunter controller support
20. What happens during a complete sprinkler inspection?
A thorough inspection checks the controller, zones, valves, heads, leaks, spray coverage and run times. Findings determine whether repairs or efficiency adjustments are worthwhile.
How we help: We run every zone, record visible issues, prioritize leaks and failures, discuss options and test work after any approved repair.
Read the full answer · Related service guide · Call us
Sources: EPA WaterSense sprinkler tune-up · Rancho Water irrigation evaluations
Talk through your sprinkler problem
Call or text us with your Temecula or Murrieta area address and what you are seeing. We can discuss an inspection and the next step.
Call (951) 252-4822