What's wrong with your plumbing? Find the likely cause and your next step.

Pick the problem area, tell us what you're seeing, and we'll show you the most likely causes, whether it's a safe DIY fix or a job for a licensed plumber, and what to do right now. Built by CSLB-licensed Sweetwater Plumbing for Inland Empire homeowners.

☎ (909) 312-4516 💬 Text (909) 247-6791

Step 1 of 3

Step 1

Where's the problem? Choose the area that's giving you trouble.

If more than one thing is wrong, start with whatever worries you most. You can run the diagnoser again for anything else.

Smell gas? Leave the house first and call SoCalGas at 1-800-427-2200 and 911 from outside. Active flooding or a sewage backup? Don't wait. Call us now at (909) 312-4516. We answer 24/7.

Step 2

Which best describes it? Pick the closest match.

Choose the symptom that sounds most like what you're experiencing.

Service Area

Serving 24 cities across the Inland Empire.

Chino · Chino Hills · Claremont · Colton · Corona · Diamond Bar · Eastvale · Fontana · Grand Terrace · Highland · La Verne · Loma Linda · Mira Loma · Montclair · Norco · Ontario · Pomona · Rancho Cucamonga · Redlands · Rialto · Riverside · San Bernardino · San Dimas · Upland

View our complete service area or call us at (909) 312-4516 to confirm coverage in your city.

Frequently asked questions

Plumbing symptoms, answered.

How do I know if a plumbing problem is a DIY fix or needs a plumber? +

A good rule of thumb: if the fix is a replaceable part you can reach without opening a wall or the slab (a toilet flapper, a faucet aerator, a sink P-trap), it's usually safe to try yourself. The moment a problem involves the main line, the water heater tank, anything behind drywall or under the foundation, or active water you can't stop, it's worth calling a licensed plumber. This diagnoser flags which category your symptom falls into, but when in doubt, calling first is cheaper than fixing water damage later.

Why does my toilet keep running? +

The most common cause is a worn flapper or flush-valve seal that no longer holds water, followed by a float set too high or a failing fill valve. A flapper replacement is inexpensive and one of the easier DIY fixes. If a new flapper doesn't stop it, the fill valve is usually the next suspect. A toilet that runs around the clock can quietly add thousands of gallons to your bill, so it's worth addressing promptly.

Why do I have low water pressure all of a sudden? +

If it's low at a single fixture, the usual culprit is a clogged aerator or mineral buildup, which is common with Inland Empire hard water and is an easy clean. If pressure drops across the whole house, the cause is more likely the pressure regulator, a problem on the municipal supply, or a leak in the main line bleeding off pressure. A sudden house-wide drop can signal an active leak, so it's worth locating your main shut-off and having the leak checked.

My drain is slow or clogged. Should I use a chemical drain cleaner? +

We generally recommend against harsh chemical drain cleaners. They can corrode older pipes common in the Inland Empire and often only punch a hole through the clog rather than clearing it. A drain snake or hand auger, or a baking-soda-then-vinegar flush followed by hot water, is gentler on pipes and worth trying first. If the clog keeps coming back or affects more than one drain, the blockage is deeper in the system and worth a professional look.

What should I do in a plumbing emergency? +

For a burst pipe or active flooding, shut off your main water valve right away and move valuables clear of the water, then call for emergency service. For a sewage backup, stop using all fixtures and stay away from the sewage, since it's a health hazard. If you smell gas, leave the house first without touching any switches, then call SoCalGas at 1-800-427-2200 and 911 from outside. Sweetwater Plumbing answers 24/7 at (909) 312-4516.

Is this diagnoser a substitute for a real inspection? +

No. This tool gives you the most likely causes for a symptom and helps you decide whether to attempt a fix or call a pro, but it can't see your specific system. Plumbing problems often have more than one possible cause, and what looks minor can have a hidden source. Use it to get oriented and to know what questions to ask, then have a licensed technician confirm the diagnosis in person before any significant repair.

More tools

Other ways we can help.

Hidden Water Leak Calculator →

High bill with no visible leak? Estimate what a hidden leak could be costing you.

Video Estimate →

Text a short video of the problem to (909) 247-6791 and we’ll text you back.

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