Tap Water Results

Is Apex, NC tap water safe?

Data: U.S. EPA · How we read the data · How we check it

Summary

No federal limits exceeded in EPA data for Town of Apex. 4 PFAS were detected below the limits.

16 public water systems serve parts of Apex. The largest, Town of Apex, serves 83,001 people. Your water bill names your system.

Largest system

Town of Apex

83,001 people · Purchased surface water · EPA ID NC0392045

Buys treated water from Town of Cary, Harnett Regional Water.

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 0 ppb at the 90th percentile (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Full Town of Apex results

Across North Carolina, 66 of 285 water systems EPA tested had PFAS above a 2024 federal limit, and 5 systems were above the lead action level in results from the last five years. North Carolina results.

Apex homes and lead pipes

4%
of homes built before 1980 (North Carolina 34%, US 50%)
1%
built before 1950 (North Carolina 8%)
24%
of households rent (North Carolina 33%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Apex town (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Apex

  • Chatham County – North
    23,088 people · Surface water · North Carolina · lists this city
    No PFAS above limitsAlso: 1 health-based violation since 2016
  • Blaney Farms S/D Water System
    395 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Merion S/D Water System
    267 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Ridgebrook Bluff S/D Water System
    234 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Feltonsville Comm Organization Water System
    225 people · Purchased surface water · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Langston Estates S/D Water System
    174 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
9 more systems
  • Belle Ridge S/D Water System
    143 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Blue Skies Mh Living Water System
    115 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Oak Ridge Park MHP
    108 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • South Lake S/D Water System
    106 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Myrtlewood/Summercrest I & II Water System
    102 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Oaklyn S/D Water System
    96 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Country Estates MHP
    60 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample
  • Meadow Lake S/D Water System
    42 people · Groundwater · North Carolina · lists this city
    PFHxS detected
  • Brook Meadow S/D Water System
    30 people · Groundwater · North Carolina · lists this city
    Not in EPA's PFAS sample

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Cary 5 mi
Town of Cary
Town of CaryNone above limits0 ppb
Holly Springs 5 mi
Town of Holly Springs
Town of Holly SpringsAbove limit0 ppb
Fuquay-Varina 10 mi
Town of Fuquay-Varina
Town of Fuquay-VarinaNone above limits0 ppb
Garner 14 mi
Johnston County – West
Johnston County – WestAbove limit0 ppb
Raleigh 15 mi
City of Raleigh
City of RaleighNone above limits0 ppb
Chapel Hill 17 mi
Orange Water & Sewer Authority
Orange Water & Sewer AuthorityNone above limits0 ppb
Apex ZIP codes (1)
  • 27502

Questions

Is Apex tap water safe to drink?

Town of Apex has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Apex, NC?

16 public water systems serve parts of Apex. The largest is Town of Apex (83,001 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Apex tap water have PFAS?

Town of Apex had 4 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Apex homes have lead pipes?

Census estimates put 4% of Apex homes as built before 1980 (North Carolina: 34%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Town of Apex's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.