Your swimming pool depends on a network of plumbing lines to move water between the pool, skimmers, drains, pump, filter, heater, and return system.
When those pipes are working properly, most homeowners rarely think about them. But aging, leaking, cracked, or restricted plumbing can affect circulation, water levels, equipment performance, and the overall operation of the pool.
For homeowners with older swimming pools, recurring circulation or water-loss problems may be signs that the plumbing system needs professional attention.
At Exodus Construction & Remodeling, we help Los Angeles homeowners evaluate aging swimming pools and complete professional pool repairs, plumbing improvements, equipment upgrades, resurfacing, and complete pool remodeling projects.
What Does Pool Plumbing Do?
Pool plumbing connects the different parts of your swimming pool circulation system.
Water is drawn from the pool through components such as the skimmer and drain. It then travels through plumbing lines toward the pump and filtration system before being returned to the swimming pool.
Depending on the pool, the plumbing system may also connect to:
- Pool heaters
- Spas
- Water features
- Additional drains
- Multiple skimmers
- Return jets
- Cleaning systems
- Other pool equipment
Because many plumbing lines are underground or hidden beneath decking and landscaping, problems may not always be immediately visible.
Signs Your Pool Pipes May Need Attention
Some plumbing problems appear suddenly, while others develop gradually.
The following warning signs may indicate that your pool plumbing should be professionally inspected.
Your Pool Is Losing Water
Unexpected water loss is one of the most common reasons homeowners begin investigating their swimming pool plumbing.
Pools naturally lose some water through evaporation and normal use.
However, if you need to add significantly more water than usual or the water level continues dropping without an obvious explanation, a leak may be present.
Pool water loss can come from several areas, including:
- Plumbing lines
- Skimmer connections
- Pool equipment
- Fittings
- The pool shell
- Other circulation components
The source should be identified before deciding whether plumbing replacement is necessary.
Weak Water Flow
Reduced circulation can sometimes indicate a plumbing restriction or damaged line.
You may notice that return jets do not appear as strong as they once were or that water movement throughout the pool seems weaker.
Several issues can cause low water flow, including clogged plumbing, damaged pipes, air entering the system, pump problems, dirty filtration equipment, blocked skimmers, or valve problems.
Because these symptoms can come from different parts of the system, the plumbing should be evaluated together with the pool equipment.
Air Bubbles Coming From the Return Jets
Recurring air entering the circulation system may be a sign that something on the suction side needs attention.
Possible causes can include plumbing connections, fittings, skimmer conditions, water-level problems, or pump-related issues.
If air is repeatedly entering the system, professional inspection can help determine where it is coming from.
Cracked or Damaged Visible Pipes
Some pool plumbing is visible around the equipment area.
If you notice cracked PVC, deteriorated fittings, leaking joints, or damaged connections, these areas should be inspected.
Visible deterioration may sometimes be repaired by replacing individual sections.
However, if the plumbing is old and similar problems are occurring in multiple locations, homeowners may need to consider whether a more extensive replacement is appropriate.
Wet Areas Around Pool Equipment
Water around the pool equipment area does not always mean an underground plumbing line has failed.
Leaks may also come from pumps, filters, valves, heaters, fittings, or connections.
Recurring wet areas should still be investigated so the source can be identified before the problem becomes more extensive.
Unexplained Wet Spots Around the Pool
Wet soil, unusually damp landscaping, or recurring moisture around areas where plumbing lines run may deserve further investigation.
Because pool pipes can travel below decking and landscaping, some leaks may not become obvious until water begins affecting surrounding areas.
If accessing underground plumbing requires disturbing existing decking, homeowners may also want to understand when pool deck repair in Los Angeles may be necessary after the plumbing work is completed.
Pool Plumbing and Your Skimmer
Your skimmer is directly connected to the plumbing system.
Water enters through the skimmer and travels through suction plumbing toward the pool pump.
If there is weak suction, recurring air in the system, leaks around the skimmer, or damage to its plumbing connection, both the skimmer and connected pipework may need to be inspected.
Homeowners experiencing problems around this area can also review our guide to pool skimmer replacement in Los Angeles for common signs that the skimmer itself may need attention.
Pool Plumbing and the Main Drain
Pool drains are another important part of the circulation system.
The drain, skimmer, plumbing, pump, filter, and return lines all work together to move water throughout the swimming pool.
If circulation problems appear to involve the lower portion of the pool or drain area, the plumbing should not be evaluated in isolation.
Damage around the drain, deteriorated components, or connected plumbing may also require inspection.
Our guide to pool drain replacement in Los Angeles explains several warning signs homeowners may notice around an aging or damaged pool drain.
Plumbing Problems Can Affect Pool Equipment
The pump and filter depend on consistent water movement.
Restrictions, leaks, or air entering the plumbing system may affect how water travels through that equipment.
For example, poor flow may cause homeowners to assume that the pump itself has failed even when plumbing problems are contributing to the symptoms.
Likewise, installing new equipment without evaluating serious plumbing problems may not address the original circulation issue.
That is why the plumbing, pump, filtration equipment, skimmers, drains, valves, and return lines should be considered as parts of one connected system.
Pool Plumbing Repair vs. Replacement
Not every plumbing problem requires replacing the entire pool plumbing system.
A localized damaged fitting or accessible pipe section may sometimes be repaired independently.
More extensive replacement may become appropriate when there are:
- Multiple damaged areas
- Recurring leaks
- Severely deteriorated pipes
- Damaged underground lines
- Repeated plumbing repairs
- Major circulation problems connected to aging plumbing
- Plumbing changes required during a substantial pool renovation
The right approach depends on the location of the problem, accessibility of the damaged line, overall condition of the system, and scope of the project.
Can Underground Pool Pipes Be Replaced?
Many swimming pool plumbing lines are installed underground.
Depending on the location of the damaged line, accessing it may require work around existing:
- Pool decking
- Concrete
- Pavers
- Landscaping
- Equipment pads
- Pool structures
The exact approach varies from one property to another.
Before opening large areas of decking or landscaping, the problem should be properly evaluated so the work can be focused on the affected section whenever possible.
Consider Plumbing During a Pool Remodel
A major swimming pool renovation provides an opportunity to evaluate systems that are normally difficult to access.
If an older pool already requires resurfacing, tile, coping, decking, skimmer work, or equipment upgrades, evaluating the plumbing at the same time can help identify aging components before new finishes are installed.
A larger renovation may include:
- Pool plumbing repairs or replacement
- Skimmer replacement
- Drain improvements
- Pool resurfacing
- Replastering
- Waterline tile
- Coping
- Pool decking
- Lighting
- Pump and filter improvements
- Heater upgrades
- Water features
- Spa improvements
Homeowners planning multiple upgrades can explore Exodus Construction & Remodeling’s swimming pool construction and remodeling services to see how plumbing work can be coordinated with a broader pool renovation.
Older Pools May Have Aging Plumbing
The condition of a plumbing system depends on many factors, including the original materials, installation, soil conditions, previous repairs, pool configuration, and how the system has been maintained.
Older pools may have plumbing that has already undergone multiple changes or repairs.
In some cases, additions such as spas, water features, replacement pumps, or other equipment may also have changed how water moves through the original system.
Professional evaluation can help homeowners understand which components are still functioning properly and which areas may need attention.
Frequent Plumbing Repairs Can Be a Warning Sign
One small repair does not necessarily mean the complete plumbing system is failing.
However, repeatedly repairing leaks or damaged sections may indicate that more of the system should be evaluated.
If several areas are deteriorating, homeowners may want to compare the practicality of continuing individual repairs with replacing more of the aging plumbing.
The decision should be based on the actual condition and accessibility of the system rather than simply the age of the pool.
Why Proper Water Flow Matters
Reliable circulation helps water move through the filtration system and return to the swimming pool.
When circulation is restricted, homeowners may notice changes in how effectively the pool operates.
Poor flow may contribute to:
- Weak return pressure
- Reduced skimmer performance
- Inconsistent circulation
- Difficulty operating water features
- Air entering the system
- Additional stress on circulation equipment
Since several different problems can create similar symptoms, professional diagnosis is important before replacing pipes or equipment.
What Happens During Pool Plumbing Replacement?
Every pool plumbing project is different.
The first step is normally determining which part of the system is causing the problem.
Once the affected line or connection has been identified, the contractor can determine how the plumbing can be accessed.
Depending on the project, work may involve:
- Evaluating the circulation system
- Identifying damaged or leaking lines
- Planning access to the affected plumbing
- Removing damaged pipe or fittings
- Installing replacement plumbing
- Reconnecting the appropriate equipment or pool components
- Testing the plumbing and circulation system
- Restoring affected surrounding areas
If decking, hardscape, landscaping, or pool finishes must be disturbed, those areas may also need to be restored after the plumbing work is completed.
Should You Upgrade Pool Equipment at the Same Time?
Plumbing replacement does not automatically mean that your pump, filter, heater, or other equipment should also be replaced.
However, major plumbing work can be a good opportunity to evaluate how the entire circulation system is functioning.
If the equipment is aging or already causing problems, homeowners may choose to coordinate those improvements.
This can be especially useful during a complete pool remodeling project where several components are already being updated.
For homeowners considering a more extensive pool-and-spa project, Exodus also provides pool and spa installation services throughout the Los Angeles area.
Avoid Covering Plumbing Problems With Cosmetic Renovations
When homeowners are planning a pool remodel, it is easy to focus on visible improvements such as new plaster, tile, coping, or decking.
Those upgrades can dramatically improve the appearance of an older swimming pool.
However, recurring leaks or circulation problems should be investigated before completing new finishes around potentially damaged plumbing.
Addressing necessary repairs first can help avoid disturbing recently completed materials later.
Choosing a Pool Contractor in Los Angeles
Pool plumbing can involve underground lines, equipment connections, the pool structure, decking, and other parts of the property.
When selecting a contractor, homeowners should ask about:
- Swimming pool construction experience
- Licensing and insurance
- Experience working with pool plumbing
- How the source of the problem will be evaluated
- Which areas may need to be accessed
- How surrounding materials will be restored
- Whether connected pool equipment should also be inspected
- The proposed project scope and construction sequence
Working with a contractor experienced in complete pool systems can be particularly helpful when plumbing work is connected to a larger renovation.
Serving Los Angeles and Southern California
Exodus Construction & Remodeling works with homeowners throughout Los Angeles and surrounding Southern California communities.
Our team handles projects ranging from targeted swimming pool improvements to complete pool and backyard transformations.
Whether you’re dealing with leaking pipes, weak circulation, aging plumbing, or several areas of an older swimming pool that need attention, we can evaluate the existing condition and discuss options based on your property and project goals.
Do Your Pool Pipes Need Attention?
Pool plumbing is largely hidden, but problems within the pipes can affect many parts of the swimming pool.
Recurring water loss, weak circulation, air in the system, visible leaks, damaged pipes, or repeated plumbing repairs may all be reasons to have the system inspected.
These symptoms do not automatically mean that all of your pool plumbing needs replacement.
A professional evaluation can help identify the source of the problem and determine whether a targeted repair or more extensive plumbing replacement is appropriate.
If you’re looking for pool plumbing replacement in Los Angeles, contact Exodus Construction & Remodeling to discuss your swimming pool and schedule a professional consultation.
Exodus Construction & Remodeling
Licensed Pool & General Contractor
C-53 Swimming Pool Contractor | B-General Building Contractor
Serving Los Angeles and surrounding Southern California communities
