WaterVerge

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 ↓

1K residents served 1 water system PWSID: SC4660081
Overall Score
84.9 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#82 of 417 in North Carolina Top 36% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.9/100
waterverge.com
B+ 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.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

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.

Quality Breakdown

Water quality score

See methodology →
84.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is York, NC water safe to drink?

Use Caution

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).

2
Active Violations
0.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for York

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into York's water quality assessment. Grade: B+ (84.9/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: E. COLI, Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE IAN

Federal disaster declaration (FEMA DR-3586). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE ISAIAS

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.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

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.

MRMCLMONOther
Most recent violations:
Nov 2025 E. COLI Open
Nov 2025 Revised Total Coliform Rule Resolved
Dec 2024 Revised Total Coliform Rule Resolved
Oct 2024 Consumer Confidence Rule Open
Sep 2002 Coliform (TCR) Resolved

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.

HURRICANE IAN
Hurricane FEMA DR-3586
HURRICANE ISAIAS
Hurricane FEMA DR-3534
HURRICANE DORIAN
Hurricane FEMA DR-3423

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

Request your utility's CCR

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.

Monitor alerts during storms

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

5
Total violations
1
Health-based
2
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

5 Total
2 Active
1 Health-based
3 Resolved
Violations by category
Revised Total Coliform Rule
2
Ground Water Rule
1
Consumer Confidence Rule
1
Total Coliform Rule
1
Nov 2025 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Nov 2025 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Nov 2025
Dec 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2024
Sep 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2002
Environmental Risk

Flood & disaster history

7
Declared disasters
Oct 2022
Most recent
Hurricane
Most common type

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.

Oct 2022
HURRICANE IAN
Hurricane FEMA #3586
Aug 2020
HURRICANE ISAIAS
Hurricane FEMA #3534
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3423
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #3401
Oct 2016
HURRICANE MATTHEW
Hurricane FEMA #4285
Oct 2016
HURRICANE MATTHEW
Hurricane FEMA #3380

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1994 (5.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
1,225
Water Systems
1
Water Source

Where York's water comes from

Groundwater

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.

Local Hydrology

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.

Bond Lake
lake
Coles Branch Reservoir
lake
Hatchers Grove Reservoir
lake
Page Lake
lake
Sorrells Grove Reservoir
lake
Infrastructure

Water systems serving York

System Name PWSID Population Source
LAKE WYLIE MHP (SC4660081) SC4660081 1,225 GW
Regional Comparison

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.

York (this city)
84.9
Charlotte
36.5
Raleigh
30.7
Durham
36.6
Greensboro
33.5
North Carolina avg
43
City Profile

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.

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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.