20 Common Plumbing Problems and How to Fix Them
Plumbing problems are a frequent concern in households and commercial properties alike, often leading to water damage, higher utility bills, or even health risks if not addressed promptly. Understanding these common plumbing issues, from leaking faucets to sewer line backups, empowers homeowners to take timely action, whether it involves basic plumbing repairs or calling a licensed plumber for urgent intervention.
Many of these problems share symptoms like low water pressure, foul odors, or unusual water discoloration, which often indicate underlying faults in the plumbing system. For instance, a running toilet may seem minor but can waste hundreds of gallons of water per day, while burst pipes pose an immediate risk of flooding and structural damage. Others, like clogged drains or dirty water, stem from neglect, misuse, or aging pipework.

To help readers identify and address these issues, this guide explains 20 of the most common plumbing problems, each detailed in its own section. For every issue, we cover the root causes, diagnostic signs, repair methods, and whether the fix is DIY-friendly or demands professional assistance. We also offer preventive tips to keep your plumbing system in optimal condition throughout the year.
Here are the Top 20 Common Plumbing Problems:
- Leaking Faucets
- Clogged Drains
- Low Water Pressure
- Running Toilet
- Burst Pipes
- Water Heater Issues
- Dripping Shower Head
- Sewer Line Backup
- Slow Draining Sink
- Water Discoloration
- Leaking Pipes
- Clogged Toilet
- Spiking Water Bill
- Frozen Pipes
- Bad Smells
- Jammed Garbage
- Sump Pump
- Dirty Water
- Bubbling paint or ceiling
- Leaking Hose Bib
1. Leaking Faucets
Even the smallest faucet drip can result in substantial water waste over time and often points to internal component failure. Common causes include worn washers that no longer provide a seal, cracked or hardened O-rings, and corroded valve seats that allow water to escape even when the faucet is off. These issues are typically the result of aging parts, frequent usage, or mineral buildup from hard water.
The effects of a leaking faucet extend beyond the sound of dripping. You may notice persistent moisture in the sink basin, stains around the fixture, decreased water pressure, or a steady rise in your water bill. If ignored, the leak can worsen and lead to more severe plumbing issues, including damage to the surrounding cabinetry or internal pipework.
Solutions:
- Replace worn washers, O-rings, or cartridges depending on faucet type.
- Clean or replace the valve seat if corrosion is detected.
- Use plumberâs grease during reassembly to improve seal durability.
- Tighten or replace a faulty handle seal to eliminate leaks at the base.
- Determine faucet type (compression, disc, cartridge, or ball) for compatible part replacement.
- Hire a professional if parts are rusted or the faucet is integrated into older plumbing.
Faucet Part Failure vs. Water Waste Estimate
Faucet Component | Failure Type | Typical Leak Rate (Drips/min) | Estimated Monthly Waste (Gallons) | Estimated Annual Waste (Gallons) | Common Cause |
Washer | Compression failure | ~60 | 150 | 1,800 | Aging, hard water, friction wear |
Valve Seat | Corrosion or pitting | ~90 | 225 | 2,700 | Mineral buildup, improper seal |
O-Ring | Loose or cracked seal | ~120 | 300 | 3,600 | Wear and tear, frequent use |
Cartridge | Misalignment or cracks | ~160 | 400 | 4,800 | High pressure, manufacturing defects |
Handle Seal | Base leak | ~80 | 200 | 2,400 | Overuse, degraded rubber seal |
Assumption: 1 drip â 1/4 milliliter; 15,140 drips â 1 gallon
2. Clogged Drains
Clogged drains are one of the most common plumbing issues, often leading to water backup, slow drainage, and even foul smells in your bathroom or kitchen. These blockages occur when materials like hair, soap scum, food particles, or grease accumulate inside drain pipes, restricting or halting water flow entirely.
Symptoms of a clogged drain vary by location. In bathrooms, you may observe standing water in sinks or tubs, while in kitchens, slow drainage accompanied by gurgling sounds is a telltale sign. If left untreated, minor clogs can harden or deepen into your sewer line, eventually requiring professional cleaning.
Solutions:
- Use a plunger to dislodge minor clogs.
- Apply a baking soda and vinegar mixture, followed by boiling water to dissolve organic material.
- Deploy a drain snake or auger to reach deeper clogs.
- Remove and clean the P-trap under the sink if the blockage is localized.
- Avoid chemical drain cleaners that may damage pipe interiors.
- Call a plumber if multiple drains are slow, indicating a mainline blockage.
đ Clog Type Detector
Select the symptom severity or location to find out where the clog is likely occurring.
Clogs near the drain are usually caused by hair or debris right under the drain cover. Easy to reach and remove manually.
3. Low Water Pressure
Weak or inconsistent water flow at faucets, showerheads, or appliances often points to an underlying issue in the plumbing system. While the problem may start as a minor inconvenience, a slow stream or occasional pressure drop, it can signal a range of causes, from localized clogs to system-wide faults that affect multiple fixtures.
In many cases, the issue is tied to mineral deposits, corrosion inside aging pipes, or partially closed shutoff valves that restrict flow. If the pressure drop is limited to a single fixture, the likely culprits are a clogged aerator or a faulty faucet cartridge. However, when poor flow is observed throughout the home, more serious factors such as a hidden leak, a failing pressure regulator, or deteriorating main supply lines may be at play.
Ignoring these signs can lead to a gradual decline in plumbing performance. Appliances may operate less efficiently, water heaters may struggle to deliver hot water, and long-term pipe damage may escalate unnoticed.
Solutions:
- Clean blocked aerators or shower heads to restore full flow.
- Ensure shutoff valves are fully open at the main and fixture levels.
- Check for leaks in walls or under sinks that could reduce pressure.
- Inspect and flush the water heater if only the hot water pressure is low.
- Replace corroded or narrowed copper or galvanized pipes in older homes.
- Consult a plumber if low pressure affects multiple fixtures and no local blockage is found.
đ Pressure Troubleshooting Slider
Shower
Symptoms: Weak spray or uneven flow
Causes: Clogged showerhead, sediment buildup
Action: Clean or replace showerhead; flush line
4. Running Toilet
Continuous water flow into the toilet bowl is a silent yet costly sign of internal tank failure. This problem often goes unnoticed until the water bill rises unexpectedly, but it can waste hundreds of gallons per week if unresolved. The underlying issue typically involves components in the tank failing to shut off water properly after each flush.
The most frequent cause is a worn or misaligned flapper valve that fails to seal the outlet, allowing water to leak continuously into the bowl. Other common issues include a misadjusted float that causes overfilling, a malfunctioning fill valve that fails to stop the flow, or a corroded flush chain that prevents proper reseating of the flapper.
You may detect the issue by a constant hissing sound, intermittent refilling of the bowl, or the need to jiggle the flush handle to stop the water. These are all indicators that the toilet’s internal mechanisms are not functioning as they should.
Solutions:
- Replace a worn or misaligned flapper valve to stop leaks into the bowl.
- Adjust or replace a float ball or arm to correct the tank water level.
- Install a new fill valve if water continues to flow after the tank is full.
- Shorten or untangle the flush chain to ensure proper valve closure.
- Replace a damaged overflow tube that permits water loss through the overflow route.
- Seek professional help if multiple tank components fail or mineral deposits interfere with valve operations.
DIY vs. Full Replacement
Component | Common Issue | DIY Fix Feasible? | Replacement Cost (USD) |
Flapper Valve | Doesn’t seal bowl | Yes | $5â$10 |
Fill Valve | Overflows or leaks | Yes | $10â$20 |
Float Arm/Ball | Misaligned or stuck | Yes | $3â$8 |
Overflow Tube | Cracked or high level | No | $60â$150 (Plumber) |
5. Burst Pipes
Burst pipes represent one of the most urgent plumbing emergencies, often leading to sudden water damage, flooding, and high repair costs. These incidents are typically caused by a combination of pipe aging, freezing temperatures, or excessive internal pressure. When a pipe bursts, it releases water uncontrollably, damaging walls, flooring, and even the homeâs foundation if not addressed quickly.
The most vulnerable pipes are those exposed to extreme conditions, outdoor hose bibs, attic lines, and basement plumbing. During winter, frozen water expands inside the pipe, and as pressure builds, the pipe eventually ruptures. In older homes, corroded copper pipes or poor pipe connections also pose a risk, especially under fluctuating pressure.
Solutions:
- Shut off the main water valve immediately to halt water flow.
- Drain remaining water by opening taps and relieving pressure.
- Apply a pipe clamp or rubber patch as a temporary fix for visible splits.
- Identify the burst location using water damage markers like bulges or frost.
- Replace the damaged pipe section with matching material (e.g., PEX, PVC).
- Hire a licensed plumber to inspect structural damage and reroute piping if needed.
- Insulate exposed pipes and maintain indoor heat to prevent future bursts.
đ¨ Burst Pipe Emergency Action Planner
Turn off the main water valve to stop water supply immediately.
Shut off electricity to flooded areas to prevent hazards.
Open faucets to drain the remaining water from pipes.
Remove standing water using towels, buckets, or a wet/dry vacuum.
Document the damage with clear photos and notes for insurance.
Call a licensed plumber to inspect and repair the burst pipe.
6. Water Heater Issues
Inconsistent or unreliable hot water is often a warning sign of problems within the water heater system. Whether it’s fluctuating temperatures, odd noises, or discolored water, these symptoms usually indicate wear, mineral buildup, or mechanical faults that require timely attention.
Common problems include sediment buildup at the bottom of the tank, which reduces heating efficiency and causes the unit to overwork. Faulty heating elements, thermostat malfunctions, or a failing pressure relief valve can also lead to temperature irregularities or leaks. In gas units, issues like pilot light failure or thermocouple damage are often to blame.
Signs of trouble often show up as lukewarm water, water that runs out too quickly, or unusual popping and rumbling noises from the tank. Some homeowners may even notice rusty or brown water, which signals internal corrosion, especially in older, unmaintained units.
Solutions:
- Flush the tank to remove sediment buildup that reduces heating efficiency.
- Replace anode rods in older units to prevent tank corrosion.
- Adjust or replace thermostats if the water temperature is unstable.
- Replace heating elements in electric models if no hot water is available.
- Relight or repair the pilot light or thermocouple in gas heaters.
- Call a professional for replacement if the unit is over 10 years old, leaking, or corroded internally.
đĽ Water Heater Symptom Matrix
Cause: Sediment buildup in the tank
Fix Path: Flush the tank to remove sediment; consider installing a sediment filter
7. Dripping Shower Head
A constantly dripping shower head not only drives up your water bill but also signals hidden valve or seal problems. While it may seem like a minor issue, ongoing dripping often points to worn washers, deteriorated O-rings, or mineral buildup within the valve body. These small faults can disrupt the shut-off mechanism and allow water to seep through continuously.
Most leaks originate in the shower faucet assembly, especially in the cartridge or compression valve that regulates flow. Over time, seals degrade and mineral deposits harden inside the fixture, making it difficult to achieve a full closure even when the handle is tightly shut.
Beyond water waste, the steady drip can lead to long-term issues such as tile damage, grout erosion, and mold growth due to constant moisture exposure. Prompt repair not only resolves the leak but also protects your bathroom surfaces and prevents larger plumbing failures.
Solutions:
- Replace worn washers, seals, or cartridges in the shower valve assembly.
- Use plumberâs tape on threaded joints to ensure a watertight connection.
- Soak the showerhead in vinegar to dissolve mineral deposits.
- Tighten loose connections or fittings with a wrench.
- Replace the entire shower valve if internal corrosion is visible.
- Call a plumber if the leakage continues despite DIY component replacements.
đ§° Showerhead DIY Toolkit
- Adjustable wrench (to loosen showerhead)
- Plumberâs tape (Teflon) for sealing threads
- Old toothbrush or scrub pad for cleaning threads
- Replacement rubber washer or cartridge (if applicable)
- Needle-nose pliers (for internal washer removal)
- Descaling solution (for hard water buildup)
- Shower valve wrench (for deeper repairs)
- Lubricant spray (for corroded fittings)
8. Sewer Line Backup
Wastewater that reverses direction within a plumbing system often signals a developing sewer line backup. It can cause foul odors, slow drains, gurgling toilets, and even raw sewage overflow, posing serious health risks and property damage.
These backups typically occur when main sewer lines become blocked or damaged, preventing normal flow to the municipal system. Common causes include tree root intrusion, grease buildup, flushed non-degradable items, or collapsing clay pipes in older systems. Even heavy rainfall can overload combined sewer systems, leading to indoor backups.
Signs of trouble often begin subtly: multiple drains gurgling, sewer odor near floor drains, or toilet water rising unexpectedly. These are early signals that pressure is building in the main line and should not be ignored.
Solutions:
- Schedule a camera inspection to locate blockages or damage in the main sewer line.
- Use hydro jetting to remove roots, grease, or debris from the pipe interior.
- Repair or replace sections of the sewer line affected by tree root intrusion or collapse.
- Avoid flushing non-degradable items and dispose of grease properly.
- Install backwater valves to prevent future sewage entry during storms.
- Engage a plumbing specialist for any work involving municipal sewer connections.
Sewer Line vs. Drain Pipe
Feature | Sewer Line | Drain Pipe |
Purpose | Carries wastewater from the house to city sewer or septic | Transfers water from fixtures to the main sewer line |
Location | Underground, outside/under foundation | Inside walls, floors, or below sinks |
Size | Larger (3â6 inches diameter) | Smaller (1.5â2 inches diameter) |
Blockage Symptoms | Multiple fixtures backup, basement flooding | One fixture (sink/tub/toilet) drains slowly |
Common Issues | Tree root invasion, pipe collapse, slope problems | Hair clogs, grease buildup, soap scum |
Repair Complexity | High , requires excavation or trenchless repair | Low to medium , usually accessible inside the home |
Inspection Method | Sewer camera inspection, hydro jetting | Manual inspection, auger/snaking |
9. Slow Draining Sink
One of the earliest signs of a potential blockage in your plumbing is a slow-draining sink, which indicates a partial clog forming in the pipes. If ignored, this minor delay in water flow can quickly progress into a full blockage, leading to standing water and foul odors. Both kitchen and bathroom sinks are commonly affected, though the sources of buildup differ by location.
In kitchens, grease, food scraps, and soap residue are typical causes of clogs. In bathrooms, hair, toothpaste, and cosmetic products often accumulate just beneath the drain opening. Over time, these materials solidify into dense clogs that restrict water flow and may even promote pipe corrosion or bacterial growth if not cleared promptly.
Solutions:
- Remove and clean the aerator or drain stopper to eliminate surface obstructions.
- Pour boiling water, followed by a baking soda and vinegar mixture, into the drain.
- Use a plunger or drain snake to dislodge the buildup below the trap.
- Detach and clean the P-trap if accessible and clogged.
- Avoid pouring oils or starchy food waste into kitchen sinks.
- Call a plumber if multiple sinks drain slowly, indicating a broader drainage problem.
đ§ź Drain Cleaning Toolkit
- Plunger (cup-style)
- Drain snake or hand auger
- Baking soda + vinegar (natural unclogging mix)
- Boiling water (for grease-based clogs)
- Rubber gloves
- Bucket and towels (for trap disassembly)
- Enzyme-based drain cleaner
- Drain cleaning bladder (for tougher pressure flush)
- Pipe wrench (for p-trap removal)
10. Water Discoloration
Water discoloration is a visible sign of deeper issues within your plumbing system, often linked to pipe corrosion, sediment buildup, or contamination in the water supply line. It commonly appears as brown, yellow, or rusty-tinted water, and while it may not always be harmful, it often signals systemic plumbing faults that require immediate attention.
In older homes, rusty water typically originates from corroded galvanized or iron pipes. Over time, oxidation loosens iron particles, which then mix with your water flow. If discoloration occurs only in hot water, the issue may lie within your water heater tank, often due to sediment accumulation. Sudden changes in water pressure or recent plumbing work can also dislodge sediment and create temporary discoloration.
Health concerns vary based on the cause. While iron and sediment may be benign in small amounts, discolored water can also carry bacteria, organic matter, or chemical contaminants, especially if the main line or municipal source has been compromised. Therefore, testing water quality is essential when discoloration persists.
Solutions:
- Run cold water for several minutes to clear temporary sediment stirred by maintenance.
- Inspect and flush the water heater to remove rust or mineral deposits.
- Replace galvanized steel pipes prone to corrosion in older plumbing systems.
- Install a whole-house filtration system to capture suspended particles.
- Test the water for contaminants if discoloration persists in both hot and cold lines.
- Contact a licensed plumber or water authority for source analysis and remediation.
đ§ Water Color Diagnosis Chart
Color: Brown / Rusty
Cause: Corroded pipes or sediment from old water heater
Action: Flush system; inspect pipes; consider replacement
Color: Yellow
Cause: Iron or manganese from well water or main supply
Action: Test iron levels; use appropriate filtration
Color: Reddish
Cause: Bacterial iron or severe pipe rust
Action: Perform lab testing; disinfect and replace corroded lines
Color: Cloudy / Milky
Cause: Air bubbles or high water pressure
Action: Let it settle; install pressure-reducing valve if needed
Color: Green
Cause: Algae growth in stagnant water or copper corrosion
Action: Inspect plumbing; flush system; evaluate filtration
11. Leaking Pipes
Leaking pipes are among the most damaging plumbing problems, often leading to hidden water damage, mold growth, and compromised structural integrity. Whether it’s a slow drip behind the wall or a steady leak under the sink, these issues typically arise from pipe corrosion, loose joints, or physical damage to the pipe material.
In older systems, copper and galvanized pipes tend to degrade over time, especially in areas with hard or acidic water. As corrosion eats away at the inner pipe walls, tiny pinhole leaks form and go unnoticed until moisture stains or musty odors appear. In newer homes, leaks may result from improper installation, high water pressure, or thermal expansion that stresses pipe connections.
Common signs include damp spots on walls or ceilings, reduced water pressure, puddles under sinks, or unexplained increases in your water bill. If left untreated, leaking pipes can result in severe plumbing system failures, leading to costly repairs or replacements.
Solutions:
- Apply pipe repair clamps or epoxy putty for temporary sealing of small leaks.
- Replace worn gaskets or joints that allow water seepage at fittings.
- Inspect for corrosion, especially in copper or galvanized steel lines, and replace affected segments.
- Monitor for musty odors or water stains to identify hidden leaks early.
- Use moisture detectors or thermal cameras to locate invisible leaks inside walls or under flooring.
- Call a plumber for leak detection and full pipe replacement if moisture damage is widespread or persistent.

12. Clogged Toilet
A clogged toilet is a common and immediate plumbing problem that blocks waste flow and can quickly lead to overflow. It typically results from flushing excessive toilet paper, non-flushable items, or from inefficient low-flow toilets that do not generate enough force to clear waste effectively.
In most cases, the clog forms in the toilet trap, which is the curved section of the drain designed to hold water and block sewer gases. When this trap is obstructed, waste and water cannot drain properly. In more severe scenarios, the blockage may extend deeper into the drain stack or septic line, requiring professional equipment and expertise.
Early signs of a clog include slow flushing, gurgling noises, or rising water levels in the bowl. If the toilet does not drain after a single flush, avoid further flushing to prevent overflow and floor damage. Prompt action is necessary to restore normal function and avoid costly water cleanup.
Solutions:
- Use a flanged plunger to dislodge most standard toilet clogs.
- Employ a closet auger to reach deeper blockages within the trap or drain pipe.
- Avoid flushing wipes, feminine hygiene products, or paper towels.
- Inspect the trapway under the toilet for visible obstructions if overflow is frequent.
- Replace low-flush toilets that fail to clear waste effectively with more forceful models.
- Call a plumber if the issue recurs often or affects adjacent fixtures, indicating a deeper line blockage.
đ˝ Flush Severity Scale
Minor
Condition: Drains slowly
Tool: Standard Cup Plunger
Tip: Try plunging with a tight seal and several firm pushes
13. Spiking Water Bill
A spiking water bill often signals hidden plumbing issues, most notably water leaks that go undetected behind walls, under floors, or in fixtures that appear functional. This sudden rise in cost, without a matching increase in usage, typically points to inefficiencies within the plumbing system.
The most common cause is a leaking faucet, running toilet, or cracked pipe, all of which can waste tens to hundreds of gallons per day. Even small drips, left unresolved, contribute significantly over a billing cycle. In some cases, irrigation systems, water softeners, or hot water heaters may have undetected faults that cause continuous consumption.
Solutions:
- Check for leaking faucets, running toilets, or hidden pipe drips around the home.
- Perform a water meter test by shutting off all water and inspecting whether the meter still moves.
- Inspect irrigation systems or water softeners for continuous flow or malfunctions.
- Replace inefficient fixtures with water-saving models certified by WaterSense.
- Install smart water monitors to detect leaks in real time.
- Contact a plumber if no visible source is found but usage remains elevated.
đ Monthly Water Usage Tracker Template
Date | Time | Meter Reading (gal) | Daily Usage (gal) | Notes |
---|---|---|---|---|
May 1 | 8:00 AM | 125,000 | - | Baseline |
May 2 | 8:00 AM | 125,130 | 130 | Normal use |
May 3 | 8:00 AM | 125,260 | 130 | - |
14. Frozen Pipes
In winter, plumbing problems like Frozen Pipes can lead to pipe bursts, extensive water damage, and costly emergency repairs. When water inside exposed or poorly insulated pipes freezes, it expands, increasing internal pressure. If the pressure becomes too great, the pipe material, whether copper, PVC, or PEX, can rupture, releasing water once thawed.
These issues typically arise in unheated areas like basements, crawl spaces, garages, and exterior walls. Homes in colder climates are particularly vulnerable, especially during sudden temperature drops. Even outdoor hose bibs and sprinkler lines can freeze and affect the entire plumbing system.
Early warning signs include frost forming on pipe exteriors, no water flow from faucets during freezing temperatures, and strange noises when turning taps. Immediate attention is essential to prevent breakage and flood damage.
Solutions:
- Turn off the main water supply and open faucets to relieve pressure.
- Apply warm air (via hair dryer or heat tape) to thaw exposed frozen sections.
- Never use an open flame to thaw pipes, as this poses a fire risk.
- Insulate vulnerable pipes in attics, basements, or exterior walls.
- Seal gaps or cracks in crawl spaces and walls to reduce cold air exposure.
- Call a plumber if the pipe bursts or remains inaccessible for safe thawing.
đ§ Winter Plumbing Checklist
- Insulate exposed outdoor and attic pipes
- Disconnect and drain outdoor hoses
- Seal gaps around pipes entering your home
- Keep cabinet doors open under sinks in cold areas
- Allow faucets to drip during freezing nights
- Check that the sump pump discharge line is clear
- Locate and test your main water shutoff valve
- Schedule a water heater inspection
- Add pipe insulation sleeves to crawlspaces and garages
- Use heat tape on pipes prone to freezing
15. Bad Smells
Bad smells coming from your plumbing system are more than just unpleasant, often indicating underlying sewer issues, bacterial growth, or improper venting within your homeâs drainage infrastructure. These odors typically stem from rotting organic material, dry drain traps, or blocked sewer lines and can spread rapidly through kitchens, bathrooms, or basements.
A common source is a dry P-trap, the U-shaped pipe under sinks and drains that holds water to block sewer gases. When not used regularly, the water evaporates, allowing odors to escape into the living space. Other causes include decomposing food in garbage disposals, biofilm buildup in shower drains, or cracks in the vent stack that allow gas to leak indoors.
Solutions:
- Pour water into unused drains to refill dry P-traps and block sewer gases.
- Clean drain covers and internal walls with enzymatic or bio-cleaning agents.
- Use a baking soda and vinegar flush to neutralize mild organic buildup.
- Check for a cracked or damaged vent pipe allowing gas into the home.
- Replace worn or missing trap seals under sinks and floor drains.
- Call a plumber to inspect the vent stack and drainage system if smells persist across multiple rooms.
đŹď¸ Drain Odor Troubleshooting Chart
Odor Location | Smell Description | Likely Cause | Recommended Action |
---|---|---|---|
Bathroom sink | Musty or sour smell | Bacteria/biofilm in drain or overflow | Flush with boiling water & baking soda; clean overflow hole |
Kitchen sink | Rotten food or grease odor | Grease buildup or food stuck in trap | Flush with hot water & vinegar; clean trap manually |
Shower or tub | Stale or earthy smell | Dry P-trap or hair/soap clog | Run water to fill trap; clean drain and use enzyme cleaner |
Floor drain (basement/laundry) | Strong sewer gas odor | Dry trap or disconnected vent | Add water to trap; inspect venting; call plumber if persistent |
Entire home | Sulfur or rotten egg smell | Main sewer line issue or gas leak | Call a licensed plumber for inspection & gas line test |
16. Jammed Garbage
Common kitchen plumbing issues that can quickly lead to drain clogs, foul smells, and unusable sink space are a jammed garbage disposal. This problem occurs when solid food waste, foreign objects, or fibrous materials become lodged in the disposal blades, preventing them from rotating properly. If left unaddressed, the jam can damage the motor, trip the reset switch, or back up the entire sink drain.
Common culprits include eggshells, potato peels, bones, and even small kitchen utensils that accidentally fall into the chamber. These items can wedge between blades or overload the disposalâs grinding capacity. A humming sound from the unit without blade movement is a key sign of a jam.
Solutions:
- Turn off the power to the unit at the breaker panel before servicing.
- Insert an Allen wrench into the bottom slot and manually rotate the blades to release jams.
- Remove lodged items using tongs or pliers, never your hands.
- Reset the unit using the red reset button on the base.
- Avoid disposing of fibrous foods, bones, or grease that contribute to jams.
- Replace the disposal if frequent jamming or motor failure continues despite resets.

17. Sump Pump
A sump pump plays a critical role in preventing basement flooding by removing accumulated water from the lowest point of a property, typically a sump pit. Itâs an essential component of any plumbing system located in flood-prone areas or homes with poor drainage. When the water level in the pit rises to a certain threshold, the pump activates and evacuates water away from the building through a discharge pipe.
Problems with sump pumps often arise during heavy rainfall, power outages, or due to a lack of maintenance. Common issues include a failing float switch, a clogged discharge line, or a worn-out motor. If the system does not activate when water levels rise, the result can be quick and costly flooding.
Solutions:
- Test the float switch monthly by pouring water into the sump pit and ensuring activation.
- Inspect and clear the discharge pipe to remove blockages and ensure proper outflow.
- Clean out the sump basin to prevent sediment from jamming the pump.
- Install a battery backup system for operation during power failures.
- Replace aging pumps (7â10 years old) before breakdown occurs.
- Hire a plumber for motor or electrical faults or to install higher-capacity backup systems.
đ§Ż Sump Pump Maintenance Calendar
- JanuaryâFebruary: Test for freeze risk; inspect discharge line
- MarchâApril: Clear basin debris and test float switch
- MayâJune: Check backup battery and alarm function
- JulyâAugust: Run manual test; clean check valve
- SeptemberâOctober: Inspect for corrosion; tighten all fittings
- NovemberâDecember: Ensure pump is dry, test after first freeze
18. Dirty Water
Dirty water coming from household taps is a red flag that may indicate water contamination, pipe corrosion, or problems within the municipal supply line. This condition is often noticeable through a cloudy appearance, a brown or yellow tint, or an unpleasant taste or odor. While temporary discoloration can result from maintenance work, persistent dirty water is a serious plumbing and health concern.
Common causes include rust or sediment from corroded pipes, especially in older homes with galvanized plumbing. Additionally, bacterial growth or cross-connections with non-potable sources can introduce contaminants. Faulty or aging water heaters may also release mineral deposits into the hot water supply.
Health risks vary depending on the contaminant. While iron and manganese may only discolor water, organic matter, lead, or microbial contamination can pose direct health threats. If discoloration affects both hot and cold water, or occurs throughout the home, it is essential to stop consumption and conduct a comprehensive water test.
Solutions:
- Flush taps for several minutes to clear temporary sediment.
- Drain and flush the water heater tank if discoloration is isolated to hot water.
- Replace corroded galvanized pipes that release rust particles.
- Use water testing kits to check for iron, manganese, or bacterial contaminants.
- Install a whole-house filtration system if supply contamination is confirmed.
- Contact your water supplier or a plumber if the issue persists across all faucets.

19. Bubbling paint or ceiling
Unusual surface textures, like blistering or peeling on walls and ceilings, often signal a hidden plumbing issue. When water leaks from pipes concealed behind drywall or ceiling panels, it seeps into building materials and causes pressure to build beneath painted surfaces. Over time, this leads to what appears as bubbling paint or ceiling swelling, typically accompanied by discoloration or a musty odor.
Common sources include leaky pipes between floors, poorly sealed tub drains, or condensation forming on uninsulated plumbing lines. If left unresolved, the moisture can weaken plaster or drywall, create conditions for mold growth, and compromise the structural integrity of affected areas.
Solutions:
- Use a moisture meter or infrared camera to locate leak sources behind surfaces.
- Remove damaged drywall carefully to expose the leak without causing further harm.
- Repair or replace leaking pipe joints or cracked fittings causing the seepage.
- Dry the area thoroughly before applying sealants, primer, or repainting.
- Install access panels for easier future leak inspection in ceilings or walls.
- Engage a plumber for concealed or multi-floor leak investigations and structural pipe replacements.

20. Leaking Hose Bib
Unexpected puddles near exterior walls or wet spots under outdoor spigots often trace back to a faulty hose bib. As an outdoor faucet, the hose bib is exposed to changing temperatures, wear from frequent use, and pressure stress from hose attachments, all of which can cause leaks around the spout, handle, or connection point.
One of the most common causes is a worn washer or packing nut, which no longer seals the valve stem properly. In colder regions, hose bibs can crack internally due to frozen water expansion, especially if the hose remains attached during freezing conditions. Over time, this damage may lead to continuous dripping, even when the valve is shut off.
Signs include persistent drips, moisture around the wall where the bib connects, or mildew growth near the foundation. Ignoring the issue can lead to foundation water damage or mold problems in crawl spaces.
Solutions:
- Tighten or replace the packing nut to stop leaks around the handle.
- Swap out worn washers or O-rings inside the faucet stem.
- Install a vacuum breaker to prevent backflow into the plumbing system.
- Replace the hose bib entirely if cracks or freeze damage are present.
- Use frost-free hose bibs in colder climates to prevent winter damage.
- Consult a plumber for complex wall penetrations or inaccessible spigot connections.
Hose Bib Issue and Solution Reference
Symptom | Likely Cause | Recommended Action |
Dripping at handle | Loose or worn packing nut | Tighten nut or replace stem washer |
Constant dripping | Damaged valve seat or washer | Disassemble faucet and replace parts |
Leak at wall connection | Freeze-related pipe crack | Replace with frost-free hose bib |
Water sprays from threads | Worn or misfit hose gasket | Replace hose washer or gasket ring |
Backflow into house | Missing or faulty vacuum breaker | Install or replace vacuum breaker |
Bib leaks under pressure | Cracked faucet body | Replace entire hose bib |
How Professional Plumbing Services Solve Common Plumbing Issues?
When plumbing problems like leaking faucets, clogged drains, running toilets, or low water pressure disrupt daily life, fast and accurate intervention is essential. CPI Service, a licensed professional plumbing service provider , specializes in diagnosing and resolving such issues before they escalate into major repairs. Using advanced diagnostic tools, Our technicians identify root causes, be it a pipe burst, failing water heater, or internal leak, and execute reliable repairs tailored to each system’s needs.
Beyond reactive fixes, We deliver proactive care through preventive maintenance programs. These include pressure checks, system flushing, and fixture inspections to reduce the risk of recurring problems. Services like sump pump installation, sewer line restoration, and corroded pipe replacement are performed with minimal disruption and full transparency. With a focus on durability, efficiency, and customer education, CPI Service ensures plumbing systems stay clean, functional, and future-ready.
đ§ Schedule Your Plumbing Diagnosis Today
Donât wait for small issues to turn into major damage. Book a licensed technician from CPI Services now and restore safety and efficiency to your homeâs plumbing system.
Request Service Now