Apex Water Quality Report
Explore Apex drinking-water sources, 2025 testing results, PFAS monitoring, lead and copper data, pH, and the latest official Annual Drinking Water Quality Report.
What the Latest Apex Water Quality Report Covers
Apex's latest official report summarizes drinking-water monitoring performed during 2025. It explains the Jordan Lake source, the Cary/Apex Water Treatment Facility, lead and copper sampling, disinfection byproducts, PFAS monitoring and other water-quality characteristics.
Town conclusion: Apex states that it did not receive any drinking-water violations in 2025. The report also shows no lead or copper sampling sites above their applicable action levels.
Where Apex Tap Water Comes From
Apex uses surface water from B. Everett Jordan Lake in the Cape Fear River Basin. The water is treated at the jointly owned Cary/Apex Water Treatment Facility, which is operated by the Town of Cary, before it enters the municipal distribution system.
View the Latest Apex Water Quality Report
The embedded document below is the Town of Apex Annual Drinking Water Quality Report containing monitoring results from 2025.
Highlights From Apex's Official Water-Quality Data
Apex reports no drinking-water violations for 2025. The table below highlights selected regulated results and monitoring values from the latest report; the embedded PDF remains the complete official source.
| Substance or Measure | Apex Reported Result | Standard or Context | Report Status |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | 37 ppb; range 21–46 ppb | MCL 80 ppb | No MCL violation |
| Haloacetic Acids (HAA5) | 17 ppb; range 6–17 ppb | MCL 60 ppb | No MCL violation |
| Lead | 90th percentile: ND | Action level 15 ppb | 0 sites above action level |
| Copper | 90th percentile: 0.094 ppm | Action level 1.3 ppm | 0 sites above action level |
| Chloramines | RAA 3.12 ppm; range 1.08–3.99 ppm | MRDL 4.0 ppm | No MRDL violation |
| Chlorine | RAA 2.23 ppm; range 0.88–3.65 ppm | MRDL 4.0 ppm | No MRDL violation |
| Fluoride | 0.65 ppm | MCL 4 ppm | No MCL violation |
| pH | 8.0; range 7.00–8.74 | Listed with secondary water characteristics | Aesthetic / water-characteristic measure |
ND means the laboratory result was below the reporting or detection level used for that analysis. Read the complete official report for definitions, ranges, footnotes and all reported substances.
PFAS Results Reported in Apex's 2025 Monitoring
The latest Apex report includes PFAS monitoring results from 2025. Some compounds were reported as non-detect on the report's average-result line, while others had measurable average concentrations.
| PFAS Compound | Reported Average | Reported Range | 2025 Report Entry |
|---|---|---|---|
| Perfluorobutanesulfonic acid (PFBS) | ND | ND–3.6 ppt | Average listed as ND |
| Perfluorobutanoic acid (PFBA) | 5.9 ppt | 4.9–7.3 ppt | Detected |
| Perfluoroheptanoic acid (PFHpA) | 1.1 ppt | ND–2.9 ppt | Detected |
| Perfluorohexanesulfonic acid (PFHxS) | ND | ND–1.1 ppt | Average listed as ND |
| Perfluorohexanoic acid (PFHxA) | 5.1 ppt | ND–7.2 ppt | Detected |
| Perfluorooctane sulfonate (PFOS) | ND | ND–1.7 ppt | Average listed as ND |
| Perfluorooctanoic acid (PFOA) | 1.3 ppt | ND–3.9 ppt | Detected |
| Perfluoropentanoic acid (PFPeA) | 6.0 ppt | 4.3–7.6 ppt | Detected |
Important: Municipal monitoring represents the public water system and does not establish the PFAS concentration at every individual faucet. Household plumbing, service lines and point-of-use conditions can differ from system-wide monitoring locations.
What Else Stands Out in Apex's Latest Report?
No 2025 Drinking-Water Violations
The Town of Apex states that it did not receive any drinking-water violations in 2025.
Lead Reported as Non-Detect
The 2025 lead result was ND at the 90th percentile, with zero sampled sites above the 15 ppb action level.
Service-Line Inventory
Apex says that, with 95% confidence, fewer than 1% of service lines contain lead, and inspections found no lead or galvanized pipes requiring replacement.
What about hardness?
The latest 2025 report does not list hardness in its miscellaneous water-characteristics table. Apex's 2024 report classified the municipal supply as moderately soft at about 1.9 grains per gallon. That earlier hardness figure is useful background, but it should not be presented as a 2025 measurement.
What the Apex Water Quality Report Does—and Does Not—Tell You
The annual report explains Apex's municipal water source, treatment, monitoring and regulatory results. It does not provide a complete water analysis for every individual home.
What the Report Tells You
- That Apex municipal water comes from B. Everett Jordan Lake.
- How the Cary/Apex Water Treatment Facility treats and disinfects the water.
- Selected regulated and monitored substances reported during 2025.
- How lead, copper, disinfection byproducts and disinfectant residuals compared with applicable limits.
- System-wide PFAS and other water-characteristic monitoring results.
What It May Not Tell You About Your Home
- Conditions introduced by an individual service line, plumbing or fixtures.
- Why water at one home may taste, smell or feel different from another.
- The exact contaminant concentration at a particular faucet.
- Private-well conditions, which are separate from the Apex municipal supply.
- Which treatment system best matches a household's goals.
Explore Local Water Treatment Options
Choose the Apex resource that best matches what you want to understand or improve at your home.
Water Problems
Review local contaminant information, household concerns and treatment options.
Explore water problems →Reverse Osmosis
Learn about highly filtered drinking and cooking water at a dedicated faucet.
Explore reverse osmosis →Water Conditioners
Explore whole-home treatment options for household comfort and conditioning goals.
Explore water conditioners →PFAS Water Filters
Compare whole-home PFAS filtration and reverse-osmosis drinking-water treatment.
Explore PFAS filtration →Well Water Treatment
Explore treatment for iron, sulfur odor, acidity and other private-well conditions.
Explore well-water treatment →Free Water Test
Schedule an in-home evaluation for common household water concerns and treatment goals.
Schedule a free water test →Apex Water Quality Report FAQs
What year does the latest Apex Water Quality Report cover?
The latest Town of Apex report contains water-quality monitoring results from 2025. The Town publishes its report annually after the data year is complete.
Where does Apex drinking water come from?
Apex uses surface water from B. Everett Jordan Lake in the Cape Fear River Basin. The water is treated at the Cary/Apex Water Treatment Facility before entering the Town's distribution system.
Did Apex report any drinking-water violations in 2025?
No. The Town's latest report states that Apex did not receive any drinking-water violations in 2025.
Does Apex use chlorine or chloramines?
Yes. Chlorine is used during treatment, and chlorine and ammonia are added separately in the clearwell to form chloramines for disinfection before distribution.
Were PFAS reported in Apex water during 2025?
Yes. The 2025 table reports measurable averages for PFBA, PFHpA, PFHxA, PFOA and PFPeA. PFBS, PFHxS and PFOS are listed with average results of ND, although their reported ranges include values above the detection limit.
Is Apex water hard?
The latest 2025 report does not list a hardness value. Apex's 2024 report classified the municipal water as moderately soft at about 1.9 grains per gallon, so that figure should be treated as prior-year background rather than a 2025 measurement.
Does the Town report test the water inside my house?
The report includes public-system monitoring and compliance sampling, including lead and copper sampling at selected customer taps, but it does not provide a complete analysis for every individual home or faucet.
Have Questions About Water at Your Apex Home?
Schedule a free in-home water evaluation to discuss common household water concerns and whether additional treatment fits your goals.
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