Apex runs its own water distribution and sewer system, with drinking water from Jordan Lake treated at a plant it co-owns with Cary, and its permit rules are stricter than many towns', including for water heater swaps. Plumber Raleigh NC is a free referral line rather than a plumbing company. Call the number on this page to be connected with a local plumber in Apex.

Plumbing services in Apex
Apex at a glance
Apex is a Wake County town, incorporated in 1873, with a portion reaching into Chatham County. Its center is roughly 12 miles from downtown Raleigh in a straight line, and the 2020 Census counted 58,780 people. The town grew up around a railroad downtown that is still intact as the Apex Historic District, and today US 1/US 64, NC 55, NC 540 and the Apex Peakway carry most of its traffic. The houses are some of the newest in the Triangle: the median home was built in 2008, and fewer than 4% went up before 1980.
| Item | In Apex |
|---|---|
| Drinking water | Town of Apex Water Resources; Jordan Lake water treated at the Cary/Apex plant, where Apex holds 12.9 MGD of the 56 MGD capacity |
| Sewer | Town of Apex, using its Middle Creek facility and the Western Wake Regional plant shared with Cary and Morrisville |
| Permits | Town of Apex Building Inspections and Permitting |
| Natural gas | Enbridge Gas North Carolina (the former PSNC), where a main reaches the street |
Apex asks for permits on more jobs
Replacing a water heater in Apex needs a permit even when the new unit matches the old one and goes in the same spot, and the Town says that work is for a contractor with the proper state credential, not a do-it-yourself job. Permits are also required for replacing plumbing fixtures and for swapping water or drain lines with the same size pipe. If a plumber quotes one of these jobs, expect the permit to be part of the plan.
Sprinklers and backflow
Under the Town's cross-connection rules, in effect since June 11, 2024, a lawn irrigation system must have a reduced pressure (RP) assembly set at least 12 inches above grade between the meter and the first sprinkler head. Hooking irrigation to a hose bibb is not allowed. Testable assemblies are checked at installation and every year by a tester registered with the Town, results go into the AquaResource system within 10 days, and a failed assembly has 10 days to be repaired. Lots platted after July 1, 2009 also need a separate irrigation meter.
Water quality and your service line
Apex water is moderately soft, about 1.9 grains per gallon, and is disinfected with chloramine except during a spring switch to chlorine. The 2024 report noted one monitoring violation for a lab quality-control error, which was resampled and brought back into compliance. The Town owns the public side of the service line and the owner owns the private side. Apex found no lead or galvanized lines needing replacement, and owners of homes built before 1988 can ask for a free service line inspection.
When you call, mention whether the job involves a water heater, an irrigation assembly or a fixture swap, since those are the jobs where Apex's permit and backflow rules come into play. If you ever smell gas, leave the house and call 911 or Enbridge from outside.
Common questions in Apex
Does a same-size water heater replacement need a permit in Apex?
What backflow device does a lawn sprinkler system need in Apex?
Is Apex water hard?
Can I get my service line checked in Apex?
Nearby cities and towns
Sources
- Wikipedia: Apex, North Carolina
- US Census QuickFacts: Apex town
- Town of Apex: Infrastructure
- Town of Apex 2024 Water Quality Report
- Town of Apex: Cross Connection Control (Section 620)
- Town of Apex: When is a permit needed
- Town of Apex: Western Wake Partnership
- Point2Homes: Apex demographics (housing age)
- Gas Processing News: Enbridge completes acquisition of PSNC
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