Raleigh
NC

Is Raleigh, NC Tap Water Safe to Drink?

Raleigh tap water meets federal Safe Drinking Water Act standards but 4 of 14 ZIP codes show detections above EPA health guidelines, primarily for PFPeA. A certified filter is recommended for households that want an additional layer of protection.

4Water systems
14ZIP codes
28.6%ZIPs above EPA guideline
Metro areaRaleigh-Cary, NC
Latest data2025-11-04

Where Does Raleigh Get Its Water?

Water in Raleigh, NC is provided by 4 public water systems: RALEIGH, CITY OF, CARY, TOWN OF, BAYLEAF MASTER and JOHNSTON CO-WEST.

How Is Raleigh Tap Water Treated?

Treated water is disinfected using calcium hypochlorite and free chlorine and ozone. Treatment includes conventional treatment (coagulation, flocculation, and filtration), post-ozone biofiltration and slow sand filtration.

What's in Raleigh Tap Water?

The following contaminants were detected most frequently in Raleigh public water systems. 4 of 14 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
PFPeA 0.0057 µg/L 0.003 µg/L 3 ZIPs Above guideline
lithium 12.6 µg/L 10 µg/L 1 ZIP Above guideline
PFOS 0.0102 µg/L 0.004 µg/L 1 ZIP Above guideline
PFBS 0.0076 µg/L 0.003 µg/L 13 ZIPs Within guideline
PFTrDA 0.007 µg/L — 0 ZIPs Within guideline

Health Risk Profile for Raleigh

Based on EPA monitoring data, 4 of 14 ZIP codes in Raleigh have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Waterdrop G3P600 Reverse Osmosis System
Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Raleigh Tap Water

Is Raleigh tap water safe to drink?

Raleigh tap water meets Safe Drinking Water Act requirements but 4 of 14 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in Raleigh tap water?

The most commonly detected contaminants in Raleigh water systems include: PFPeA, lithium, PFOS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Raleigh get its drinking water?

Raleigh receives water from 4 public water systems, including RALEIGH, CITY OF.

Do I need a water filter in Raleigh?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is Raleigh tap water tested?

Public water systems in Raleigh are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-11-04.

Tap water reports by ZIP in Raleigh

Water utilities serving Raleigh, NC

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Also covers / overlaps with