Is York, NC Tap Water Safe to Drink?
Graded B+, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
84.9/100
York, NC — Water Quality Report
York's drinking water received a grade of B+ (84.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,225 residents using groundwater.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 5 violations on record, including 1 health-based violation. 2 remain unresolved.
What to know about York's water
York ranks #82 out of 417 cities in North Carolina for water quality, placing it above average in the state.
York relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, York may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is York, NC water safe to drink?
York's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (84.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,225 residents using groundwater (wells).
Recent water quality updates for York
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into York's water quality assessment. Grade: B+ (84.9/100).
1 health-based. Contaminants: E. COLI, Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule.
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-3586). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3534). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for York's water supply.
Well within EPA limits.
Violation history
York's water system has 5 total violations on record, including 1 health-based violation. 2 remain unresolved. 4 violations were issued in the last 5 years.
Flood & environmental risk
Wake County has experienced 7 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Bond Lake, Coles Branch Reservoir, Hatchers Grove Reservoir, Page Lake, Sorrells Grove Reservoir.
Where does York's water come from?
York's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,225 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Bond Lake (lake), Coles Branch Reservoir (lake), Hatchers Grove Reservoir (lake), Page Lake (lake), Sorrells Grove Reservoir (lake).
What York residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
York's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
Wake County has experienced 7 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how York compares by contaminant
Explore where York ranks among all North Carolina cities for specific contaminants.
Water source & infrastructure
Where York's water comes from
York's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by private ownership and serves approximately 1,225 people through 1 water system.
Water bodies near York
York is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving York
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LAKE WYLIE MHP (SC4660081) | SC4660081 | 1,225 | GW |
How York compares
Full North Carolina rankings →York's score of 84.9/100 is above the average of 43/100 among major North Carolina cities. It outscores 9 of 10 nearby cities.
Nearby cities
View North Carolina rankings →About York, NC
Wikipedia →Cary is a town in Wake, Chatham, and Durham counties in the U.S. state of North Carolina and is part of the Raleigh-Cary, NC Metropolitan Statistical Area. According to the 2020 census, its population was 174,721, making it the seventh-most populous municipality in North Carolina, and the 146th-most populous in the United States. In 2023, the town's population had increased to 180,010.
Learn more about your water
Guides and resources related to York's water quality findings.
Explore water quality across York
Frequently asked questions
Is York, NC tap water safe to drink?
York's water quality earned a grade of B+ (84.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #82 out of 417 cities tested in North Carolina.
What contaminants are in York's water?
Lead was measured at 0.0 ppb (90th percentile). 5 violations are on record.
How is York's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in York?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does York's water come from?
York's water is sourced from Groundwater. The city has 1 water system serving approximately 1,225 residents.
What health violations has York's water system had?
York has 1 health-based violation on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.
Is York's groundwater at risk of contamination?
York uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 5 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does York's water compare to other cities?
York ranks #82 out of 417 cities in North Carolina (better than 80% of state cities) and #5623 out of 15744 cities nationally (64th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does York's small water system affect quality?
York's system serves approximately 1,225 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 5 violations on record.