Duncanville Pool Service & Repair
Duncanville is mostly built out, and a lot of backyard pools here went in 20 to 40 years ago. That is the kind of work this city tends to need: older pumps and filters, worn plaster, and tracking down parts for legacy equipment that newer crews sometimes walk away from. All of it runs on Dallas Water Utilities water, which the city buys and distributes as chloraminated surface water. We serve the 75116, 75137, and 75138 ZIPs from our family-owned shop in Waxahachie, about 22 miles up the road, where A&M Pool Service & Repair has run since 2006.
Local Knowledge. Proven Results.
- We stock and source parts for legacy Pentair, Hayward, and Sta-Rite systems common on older Duncanville pools
- We work all three Duncanville ZIPs: 75116, 75137, and 75138
- Based 22 miles south in Waxahachie, serving Duncanville since well before most of these pools needed their second pump
- We treat aging plaster and equipment as repairs first, replacements only when the math says so
What Dallas Water and Older Pools Mean for Your Backyard
Duncanville Water buys from Dallas Water Utilities and carries a TCEQ Superior rating, which is a solid mark for a distribution system. The supply is the same group of seven surface sources Dallas treats, finished with chloramine that runs around 2.00 ppm out in the lines. The official report does not publish a hardness number, so we will not put one on it. In practice it behaves like moderately hard chloraminated surface water, and that is what your pool is filling with every time you top it off.
Chloramine in the fill water changes how your sanitizer behaves. It already carries combined chlorine before it reaches your pool, so chlorine demand tends to sit higher and the water can take longer to clear after a heavy bather load or a hot stretch. Pools with salt systems feel the moderately hard side of the supply too. Scale builds on the cell plates and inside heater tubes over time, and a cell that is crusting over reads low and works harder than it should. We check cells and heater interiors on that kind of equipment and acid-clean or descale before the buildup costs you a part.
Older pools bring their own list. Plaster that has been in the ground two or three decades gets rough, stains, and starts to show its age at the steps and the deep end. Single-speed pumps from the original build draw more power than anything sold today and are usually the first thing we talk through replacing. Cartridge and DE filters that have run for years lose pressure and stop polishing the water the way they used to. We keep these systems running where it makes sense and tell you straight when a part has reached the end.
Common pool service calls in Duncanville
- Aging pump replacement. Original single-speed motors fail or run loud and inefficient on older Duncanville pools. We size and install a current pump that fits the existing plumbing.
- Worn plaster and surface staining. Decades-old plaster gets rough and picks up stains on the chloraminated supply. We assess the surface and handle patching or a full replaster.
- Legacy equipment parts. Older Pentair, Hayward, and Sta-Rite systems still run fine with the right parts, which take some hunting. We source what fits rather than pushing a full swap.
- Scale on cells and heaters. The moderately hard fill water lays down scale on salt cells and inside heater tubes. We descale on a schedule so the equipment keeps reading right.
Pool Services Available in Duncanville
Pool Service FAQ — Duncanville
Usually, yes. A lot of older Pentair, Hayward, and Sta-Rite equipment is still supported or has a direct equivalent, and we do the sourcing. We will tell you up front if a part is genuinely gone and a replacement is the better call.
The fill water is chloraminated, so it arrives carrying combined chlorine before it ever hits your pool. That tends to keep chlorine demand higher, especially in summer. Steady weekly chemistry keeps it from swinging on you.
It depends on how far the wear and staining have gone. Light roughness and surface stains can often be addressed without a full job. Deep etching, hollow spots, and widespread staining usually point to a replaster, and we will give you an honest read.
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Last updated: June 2026
Keep Your Duncanville Pool Running, Old Equipment and All
A&M Pool Service & Repair handles weekly cleaning and equipment repair across Duncanville from $140. Call Thomas and the crew at (214) 399-7347.