Most Common Plumbing Problems in San Tan Valley & Their Quick Fixes
Plumbing problems never seem to happen at a convenient time. In San Tan Valley, hard water, shifting soil, and hot weather can all put extra stress on pipes, fixtures, and water heaters. Knowing how to spot trouble early and what you can safely do yourself can save you money and help you avoid major damage to your home.
Below are some of the most common plumbing problems San Tan Valley homeowners face, practical steps you can take right away, and when it is safer to call a professional.
1. Leaky Faucets and Dripping Fixtures
A constantly dripping faucet is more than an annoyance. It can waste hundreds of gallons of water a year and drive up your water bill.
Common causes
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Worn out washers or cartridges
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Mineral buildup from hard water
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Loose parts inside the handle or spout
Quick fixes you can try
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Turn off water supply under the sink.
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Plug the sink to avoid losing small parts.
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Remove the faucet handle and cartridge or stem (usually with a screwdriver or hex key).
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Check rubber washers and O-rings for cracks or flattening and replace them.
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Gently clean mineral buildup from parts using white vinegar and a soft brush.
If the faucet continues to drip after replacing the worn parts, the valve seat may be damaged or the faucet body may be corroded. At that point, it is often cheaper and safer to have a plumber either repair it correctly or replace the faucet.
2. Running Toilets
A running toilet can quietly waste a lot of water. You might hear the tank refilling on its own or notice a faint hiss of water.
Common causes
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Worn or warped flapper
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Float set too high
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Faulty fill valve
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Chain catching under the flapper
Quick fixes you can try
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Remove the tank lid and flush while watching the components.
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Check the flapper: if it does not seal properly, replace it with the same style and size.
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Make sure the chain has a little slack but is not so long that it gets trapped under the flapper.
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Adjust the float so the water level sits about an inch below the top of the overflow tube.
If the toilet still runs, the fill valve may need replacement or there could be a more complex issue. Continuous running can lead to very high water bills, so do not ignore it for long.
3. Clogged Drains in Sinks and Tubs
Slow-draining sinks, standing water in the shower, or gurgling sounds often mean a clog is forming. In San Tan Valley homes, hair, soap scum, grease, and food particles are usual culprits.
What you can try safely
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Use a drain strainer to catch hair and food going forward.
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Pour very hot (not boiling) water down the drain to break up soap and grease.
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Use a plastic drain snake to remove hair and debris from bathroom drains.
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For kitchen sinks, try a plunger:
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Fill the sink with a few inches of water.
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Place the plunger over the drain and pump firmly several times.
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What to avoid
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Avoid frequent use of harsh chemical drain cleaners. They can damage pipes, especially older ones, and are unsafe to breathe and handle.
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Do not force a metal hanger or other sharp object into the drain. You can damage the pipe or push the clog deeper.
If more than one drain is slow at the same time or you smell sewage, the problem may be in the main line, and you should contact a plumber quickly.
4. Low Water Pressure
Low water pressure makes showers uncomfortable and everyday tasks frustrating. In San Tan Valley, mineral deposits from hard water are a common cause.
Common causes
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Mineral buildup in aerators or showerheads
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Partially closed shut-off valve
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Hidden leaks in the plumbing
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Problems with the municipal water supply or pressure regulator
Quick checks and fixes
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Check neighbors: If they also have low pressure, it may be a city supply issue.
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Inspect shut-off valves under sinks and near toilets to ensure they are fully open.
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Unscrew faucet aerators and showerheads and soak them in white vinegar for several hours, then scrub gently and reinstall.
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Look for damp spots, peeling paint, or mold on walls and ceilings, which can indicate hidden leaks reducing pressure.
If only hot water pressure is low, the issue may be with your water heater. A professional can check for sediment buildup or failing components.
5. Water Heater Problems
Living without hot water is not pleasant, especially if it happens suddenly. Local water quality and sediment can shorten the life of water heaters in San Tan Valley.
Warning signs
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Lukewarm or inconsistent hot water
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Rust-colored water from hot taps
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Popping or rumbling sounds from the tank
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Water pooling around the base of the heater
What you can do
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Check the thermostat setting; most homes are comfortable around 120∘F120∘F.
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For gas heaters, verify the pilot light is lit (follow the manufacturer’s instructions on the tank).
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Flush the tank annually to reduce sediment:
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Turn off power or gas and the cold water supply.
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Attach a garden hose to the drain valve and direct it outside or to a floor drain.
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Open the valve and let water run until clear.
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If you see rust-colored water, significant leaks, or the tank is more than 10–12 years old, replacement may be safer than repair. A leaking tank should be treated as an urgent issue because it can suddenly burst and cause serious water damage.
6. Leaky Pipes and Water Stains
Even a small pipe leak can cause big problems over time, including mold growth, structural damage, and higher water bills.
Signs of hidden leaks
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Unexplained increase in water bill
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Musty smells or mold spots
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Warped flooring, bubbling paint, or brown water stains on ceilings or walls
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The sound of water running when no fixtures are on
Immediate steps you can take
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If you see active leaking, place a bucket under the leak and move belongings away from the area.
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Shut off the nearest localized valve if available.
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For larger leaks, turn off the main water shut-off valve to the home.
Temporary patch kits can sometimes hold a minor leak briefly, but they are not long-term solutions. For leaks inside walls, ceilings, or underground, a licensed plumber should locate and repair the problem to prevent ongoing damage.
7. Clogged Toilets
A clogged toilet can quickly become an emergency, especially in a home with only one bathroom.
Safe steps to clear a clog
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Use a flange plunger designed for toilets, not a flat sink plunger.
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Make sure there is enough water in the bowl to cover the plunger cup.
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Place the plunger over the opening and push down gently to expel air, then pump firmly several times before pulling up.
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Repeat a few cycles; many clogs will clear this way.
If plunging does not work:
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Use a toilet auger (closet auger) to reach deeper clogs. Follow the tool’s instructions to avoid scratching the bowl.
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Avoid flushing repeatedly, as this can cause overflow and water damage.
If your toilet clogs often, there may be an issue with the drain line, venting, or what is being flushed (for example, wipes, feminine products, or excessive paper).
8. Sewer Line Backups and Bad Odors
Sewer line issues are some of the most serious plumbing problems and can pose health risks.
Warning signs
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Multiple drains backing up at the same time
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Gurgling sounds from toilets when you run a sink or shower
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Sewage odors around drains, outside cleanouts, or in the yard
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Wet patches or unusually green, lush areas in the yard where the sewer line runs
What to do immediately
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Stop using water in the home to avoid forcing more waste into the line.
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Do not run the dishwasher, washing machine, or use showers and toilets.
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Call a professional plumber. Specialized equipment, such as drain cameras and power augers, is often needed to locate and clear the obstruction.
Tree roots, grease buildup, and broken pipes are common causes. Early diagnosis can sometimes prevent the need for major excavation.
9. Hard Water Issues in San Tan Valley
San Tan Valley is known for hard water, which means excess minerals like calcium and magnesium. While not harmful to health, hard water can cause a range of plumbing problems over time.
How hard water affects your home
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White, chalky buildup on faucets and shower doors
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Reduced water pressure due to mineral deposits in pipes and fixtures
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Shorter lifespan for water heaters and appliances
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Dry skin and dull hair after showers
Practical steps you can take
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Regularly clean faucets and showerheads with vinegar to reduce buildup.
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Consider installing a whole-home water softener to protect pipes and appliances.
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Flush your water heater annually to reduce sediment from hard water.
A licensed plumber can test your water hardness and recommend the right type and size of softening system for your home.
10. Outdoor Plumbing and Hose Bib Leaks
Outdoor faucets and irrigation lines tend to be forgotten until something goes wrong. In our desert heat, these fixtures can crack and wear out faster.
Common issues
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Leaking hose bibs that drip constantly
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Broken sprinkler heads wasting water
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Underground irrigation leaks causing unexpected wet spots or high water bills
Quick checks
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Inspect outdoor faucets while the hose is attached and while it is removed. Look for dripping from the spout, handle, or wall connection.
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Turn on each irrigation zone and walk the yard to look for broken or clogged heads.
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If you see standing water or soggy spots, you may have an underground leak.
Fixing a leaking outdoor faucet usually involves replacing worn washers, packing, or the entire bib. Underground irrigation repairs often require professional tools to locate and fix the leak.
When to Handle It Yourself vs. Call a Professional
Some minor plumbing issues can be handled by a handy homeowner with basic tools. However, there are clear times when calling a licensed plumber in San Tan Valley is the safer choice.
You might try DIY if
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The problem is simple and visible, like a clogged sink or a dripping faucet.
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You feel comfortable turning off water and using basic tools.
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You have clear instructions and time to work carefully.
You should call a professional if
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There is water leaking inside walls, ceilings, or under the slab.
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Multiple drains are backing up at once.
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You smell sewage or see wastewater in tubs or showers.
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The water heater is leaking, making loud noises, or not heating water.
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You have frequent, recurring clogs or low water pressure that you cannot explain.
Acting quickly can prevent expensive repairs, water damage, and health hazards like mold growth.
Need Fast Help in San Tan Valley? Call AZ Emergency Plumbing
If you are dealing with any of these plumbing problems in San Tan Valley and want them fixed safely and correctly, professional help is just a call away.
AZ Emergency Plumbing specializes in resolving leaks, clogs, water heater issues, sewer backups, and all common home plumbing problems for San Tan Valley homeowners. Whether you need quick emergency help or you want to prevent future issues with a thorough inspection, our licensed team is ready to help.
You can reach AZ Emergency Plumbing at (480) 547-9517 for fast, friendly service in San Tan Valley and the surrounding areas. Calling a local professional now can save you time, protect your home, and give you peace of mind.

