Skip to main content
WATER QUALITY REPORT

Winston-Salem, NC tap water: what's in it in 2025

Serving 250K residents via Winston-Salem/Forsyth County Utilities · Winston-Salem, NC drinking water is supplied by Winston-Salem/Forsyth County Utilities. EPA and utility monitoring commonly focus on issues such as PFAS / GenX contamination, Yadkin River industrial discharge, Disinfection byproducts. Finished water chemistry is only half the story: building plumbing, meters, and premise piping can add lead, copper, or particulates after the utility meets treatment goals at the plant fence. Compare utility-wide themes with ZIP-level monitoring and your annual Consumer Confidence Report for the service area that includes your home.

PFAS / GenX contaminationYadkin River industrial dischargeDisinfection byproducts
0/ 100
WATER SAFETY SCORE
Grade: F
High Risk
Based on EPA violations, PFAS data & contaminant profile
🚨
HIGH CONCERN
EPA violation status
WHAT YOU SHOULD KNOW ABOUT WINSTON-SALEM WATER

Winston-Salem has significant water quality concerns including pfas / genx contamination. EPA legal limits are set based on treatment feasibility — not always on what independent health scientists consider safe. Certified filtration is strongly recommended for this water supply.

PFAS / GenX contamination
Yadkin River industrial discharge
Disinfection byproducts
1

Winston-Salem draws from the Yadkin River -- which receives industrial discharge from the Piedmont Triad.

2

North Carolina's statewide PFAS contamination issue extends into the Winston-Salem watershed.

3

The city has logged DBP violations and elevated contaminant levels flagged by EWG.

4

RO filtration is recommended for Winston-Salem residents for PFAS and DBP protection.

PFAS TESTING DATA — EPA UCMR5
Testing period 2023–2025 · Last updated Q1 2025
🚨
VIOLATIONS DETECTED
Max detected: 490 ppt · 6 compounds found · 3 EPA MCL violations
Compound
Level (ppt)
EPA MCL
Health Limit
PFOSregulated
490.0
❌ >4 ppt
❌ Exceeds
PFHxSregulated
35.0
❌ >10 ppt
❌ Exceeds
PFOAregulated
6.6
❌ >4 ppt
❌ Exceeds
PFHxA
4.6
✓ Within
PFHpS
3.6
✓ Within
PFBS
3.6
✓ Within
Water Hardness (from UCMR5): 9.5 mg/L as CaCO₃ — Relatively soft

Source: EPA UCMR5 national monitoring dataset · Testing period 2023–2025 · MCL = Maximum Contaminant Level (legally enforceable limit) · Health limit = EPA health advisory threshold

🔔 Get alerts if Winston-Salem's water data changes:
WHAT TO DO ABOUT IT

Based on Winston-Salem's water profile above, here's the exact system we recommend — and why it's right for this water supply specifically.

TOP PICKS FOR WINSTON-SALEM
Contaminants detected in local water
#1
Waterdrop G3P800 RO
EDITORS PICK
Waterdrop  ·  ~$849
Tankless 800 GPD, removes 99%+ PFAS & lead, 10-stage filtration. Smart faucet TDS display.
WHY THIS FOR WINSTON-SALEM · Chosen for Winston-Salem because PFAS was detected at 490 ppt in EPA UCMR5 monitoring — above the 4 ppt federal limit. Reverse osmosis removes 99%+ of PFAS compounds and is the only reliably certified technology for this.
#2
Aquasana SmartFlow RO
MOST CERTIFIED
Aquasana  ·  ~$449
WQA Gold Seal + NSF 42/53/58/401. Most certifications of any under-sink RO. Removes 90+ contaminants.
#3
AquaTru Under-Sink RO
EASIEST FILTER CHANGE
AquaTru  ·  ~$375
NSF 42/53/58 certified. Quick-change filters, no tools. Compact tankless design, 4-stage filtration.
Not sure which filter is right for you? Take the 3-question quiz →
WATER SYSTEM -- EPA SDWIS
System Name
Winston-Salem/Forsyth County Utilities
EPA PWSID
NC0464020
Population Served
250K
State
NC

COMMON QUESTIONS

Is Winston-Salem tap water safe to drink in 2025?

Winston-Salem water meets EPA legal standards, but meeting legal standards is not the same as being free of health concerns. EPA limits are set based on treatment feasibility, not always on what independent scientists consider safe. Winston-Salem has pfas / genx contamination which is a significant concern — certified filtration is strongly recommended.

Does Winston-Salem water have PFAS?

EPA UCMR5 monitoring data for Winston-Salem (water system NC0464020) is shown above. PFAS — sometimes called "forever chemicals" — are synthetic compounds that don't break down in the body. Only reverse osmosis systems or NSF 58-certified carbon block filters reliably remove PFAS from tap water. Standard pitcher filters do not remove PFAS.

Does Winston-Salem water have lead?

Lead in tap water almost always comes from the pipes inside your home or building, not the treatment plant. Homes built before 1986 in Winston-Salem are most at risk because they may have lead solder, brass fittings, or lead service lines. The EPA has no safe level for lead in children. An NSF/ANSI 53-certified filter or reverse osmosis system removes lead at the tap.

What water filter is best for Winston-Salem?

For Winston-Salem's water profile — pfas / genx contamination, yadkin river industrial discharge — a reverse osmosis system addresses the widest range of contaminants. Under-sink RO (Waterdrop G3P800, Aquasana SmartFlow) is the gold standard for homeowners. Renters can use a countertop RO like the Waterdrop K19-S Countertop RO — zero installation required. Clearly Filtered pitchers are the best non-RO option for PFAS and lead.

How do I get my Winston-Salem water tested?

For the most accurate results for your specific tap, use a certified mail-in lab test rather than relying on city-wide data. SimpleLab Tap Score tests for 100+ contaminants including PFAS, lead, arsenic, and nitrates. Results come with a detailed health assessment and filter recommendations. City-wide EPA data like what you see above is a strong baseline, but your home's plumbing can add contaminants after the water leaves the treatment plant.

LEAD SERVICE LINE RISK
Does your street have lead pipes?

As of October 2024, all US water utilities must publish a public inventory of their lead service lines — the pipes connecting the water main to your home. Even if your utility water tests clean at the treatment plant, lead can leach from these pipes into your tap. Homes built before 1986 are most at risk.

EPA Official Service Line Inventory →
Federal LCRR inventory data for Winston-Salem/Forsyth County Utilities · PWSID NC0464020
💡 Homes built before 1986 may have lead solder or service lines. A filter certified NSF/ANSI 53 removes lead at the tap regardless of pipe material.
STAY INFORMED
Get Winston-Salem water alerts

We'll notify you when new PFAS data, EPA violations, or contamination alerts drop for Winston-Salem. One email, no spam, unsubscribe any time.

Check your specific address

City-wide data is just the start. Enter your ZIP to see your exact water system's EPA report, PFAS levels, and violation history — then get the right filter for your home.

Fix My Water — Free →

RELATED GUIDES

PFAS
Is PFAS in My Tap Water?
Lead
Best Filters for Lead Removal
Filters
What Filter Removes PFAS?
EPA
What Does an EPA Violation Mean?
Filters
Reverse Osmosis: Pros & Cons
Health
Tap Water Safety During Pregnancy

COMPARE WATER QUALITY IN OTHER CITIES

Charlotte, NC
High concern · GenX / PFAS contamination
Raleigh, NC
High concern · GenX and PFAS
Greensboro, NC
High concern · GenX / PFAS
Durham, NC
High concern · GenX / PFAS
Fayetteville, NC
High concern · GenX / PFAS -- ground zero
Cary, NC
High concern · GenX / PFAS contamination
Chicago, IL
High concern · Lead service lines
Los Angeles, CA
High concern · Chromium-6 (hexavalent chromium)
Phoenix, AZ
High concern · High TDS / hard water
Philadelphia, PA
High concern · Lead service lines
Miami, FL
High concern · PFAS contamination
Detroit, MI
High concern · Lead service lines
View all 135+ city reports →