Rialto is supplied by the city's own water system, West Valley Water District or Fontana Water Company depending on the address, so a typical Rialto home has no well pump. A plumber can test private pump equipment if your lot has it, or trace low pressure to a regulator, leak or fixture. Call the number on this page to be connected with a local plumber in Rialto.

Who supplies water to my Rialto address?
According to the city's drought contingency planning application, Rialto is served by three retailers: the City itself through Rialto Water Services, West Valley Water District and Fontana Water Company. Which one you have depends on where you live, and your water bill is the quickest way to tell. Most Rialto homes are on utility water rather than private wells.
The city system leans on local groundwater, pumped from city wells in five adjudicated basins, plus Baseline Feeder water from San Bernardino Valley Municipal Water District and surface water from the east side of the San Gabriel Mountains. Those wells are municipal equipment, not something in your yard.
Could a pump really be my problem?
Only if your property has its own well or a booster pump. If it does, the classic signs are a pump that short cycles, runs without stopping, trips its breaker or leaves the taps dry while the lights work. A plumber checks the pressure switch, tank air charge and controls first, because those fail more often than the pump. On public water, the same symptoms usually trace to a worn pressure regulator, a leak on the buried line from the meter, a partly closed valve or clogged aerators.
What should I do before calling?
Ask a neighbor whether their water is normal. If it isn't, the provider is the first call. If it is, check your meter with all fixtures off; a moving dial points to a leak on your side. Open the house shutoff fully and note whether the weak flow is everywhere or at one tap. If you have a well, read the tank gauge and leave a tripped breaker off.
Local permit note
Plumbing changes such as replacing a regulator, a pressure tank or a water line may need a permit from the City of Rialto Community Development, Building & Safety Division, which takes applications online. The plumber you reach through this free referral service is an independent local professional, not our employee, and can tell you what the job needs. Have your water bill nearby when you call so the provider is clear from the start; it shapes who handles which part of the repair.
Well Pump Repair questions in Rialto
How can I tell whether my home has its own well or is on public water?
My water provider pumps groundwater. Does my house have a well pump?
Should an old pump be repaired or replaced?
Why would a well pump switch on and off every few seconds?
More plumbing services in Rialto
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