OXFORD, CITY OF

Q: Is OXFORD, CITY OF water safe to drink?

OXFORD, CITY OF (PWS ID: NC0239010) has 123 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 8,972 people using Surface Water sources.

Q: What type of violations does OXFORD, CITY OF have?

OXFORD, CITY OF has 123 total violations: 28 health-based violations (MCL exceedances or treatment failures), 72 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in OXFORD, CITY OF water?

Yes. UCMR5 testing detected 2 PFAS compounds in OXFORD, CITY OF's water supply: PFOS, PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.

Q: What water source does OXFORD, CITY OF use?

OXFORD, CITY OF uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Q: Where does this data come from?

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Reviewed byPlainWater Editorial, Drinking Water Quality Editorial Team · June 3, 2026

PWS ID: NC0239010 · OXFORD, North Carolina 27565

OXFORD, CITY OF serves 8,972 people in OXFORD, North Carolina using Surface Water water sources. It has 123 recorded EPA violations, including 28 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (2 compounds found).

Water Quality Snapshot: OXFORD, CITY OF

OXFORD, CITY OF is a local-owned community water system that delivers drinking water to 8,972 residents in OXFORD, North Carolina (Granville County) through 3,486 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 123 total violations for this system , of which 28 (23%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 72 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is TTHM, recorded in 28 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0073 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across North Carolina, EPA tracks 5,020 public water systems serving 9,877,724 people, with 524,053 cumulative violations and 38,492 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 104.4 violations. OXFORD, CITY OF's 123 violations sit above the North Carolina average. Statewide, 174 of 287 UCMR5-tested systems have reported PFAS detections (60.6%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served

8,972

Total Violations

123

Health-Based Violations

Water Source

Surface Water

System Details

System Type: Community
Owner Type: Local
Connections: 3,486
County: Granville
School/Daycare: No
MCL Violations: 28
Monitoring Violations: 72
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
TTHM	MCL	28	2010
TTHM	MR	18	2021
Consumer Confidence Rule	Other	12	2004
Total Haloacetic Acids (HAA5)	MR	12	2021
Public Notice	Other	9	2011
Lead and Copper Rule	MR	5	2002
Asbestos	MR	5	2011
Arsenic	MR	4	1986
Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	2	2010
Methoxychlor	MR	2	1985
BHC-GAMMA	MR	2	1985
2,4-D	MR	2	1985
Endrin	MR	2	1985
2,4,5-TP	MR	2	1985
Selenium	MR	2	1986
Barium	MR	2	1986
Fluoride	MR	2	1986
Mercury	MR	2	1986
Toxaphene	MR	2	1985
Nitrate	MR	2	1986
Cadmium	MR	2	1986
Chromium	MR	2	1986

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 120 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
PFHpS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
8:2 FTS	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFMPA	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMBA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFEESA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	8/15/2023	<0.02 µg/L	0.02 µg/L	Not Detected
PFPeS	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFBA	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFTA	8/15/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFTrDA	8/15/2023	<0.007 µg/L	0.007 µg/L	Not Detected
NEtFOSAA	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NMeFOSAA	8/15/2023	<0.006 µg/L	0.006 µg/L	Not Detected
lithium	8/15/2023	<9 µg/L	9 µg/L	Not Detected
PFHxA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFNA	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOS	8/15/2023	0.0053 µg/L	0.004 µg/L	Detected
PFOA	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
4:2 FTS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
6:2 FTS	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFUnA	8/15/2023	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
9Cl-PF3ONS	8/15/2023	<0.002 µg/L	0.002 µg/L	Not Detected
ADONA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFDA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBA	5/8/2023	0.0069 µg/L	0.005 µg/L	Detected
PFDoA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFEESA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMBA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMPA	5/8/2023	<0.004 µg/L	0.004 µg/L	Not Detected
8:2 FTS	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
6:2 FTS	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
HFPO-DA	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
ADONA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
9Cl-PF3ONS	5/8/2023	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NFDHA	5/8/2023	<0.02 µg/L	0.02 µg/L	Not Detected
PFHxA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOS	5/8/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFDA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	5/8/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFNA	5/8/2023	<0.004 µg/L	0.004 µg/L	Not Detected
4:2 FTS	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for OXFORD, CITY OF.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NC0239010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

North Carolina Drinking Water Authority

North Carolina DEQ — Public Water Supply Section is the primacy agency that licenses and inspects OXFORD, CITY OF under EPA-delegated authority.

Open NC regulator portal

Source: North Carolina DEQ — Public Water Supply Section

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest)	Contaminant	Category	Count	EPA Record
2021	TTHM	MR	18	SDWIS / NC0239010 / 2950
2021	Total Haloacetic Acids (HAA5)	MR	12	SDWIS / NC0239010 / 2456
2011	Public Notice	Other	9	SDWIS / NC0239010 / 7500
2011	Asbestos	MR	5	SDWIS / NC0239010 / 1094
2010	TTHM	MCL	28	SDWIS / NC0239010 / 2950
2010	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	2	SDWIS / NC0239010 / 0600
2004	Consumer Confidence Rule	Other	12	SDWIS / NC0239010 / 7000
2002	Lead and Copper Rule	MR	5	SDWIS / NC0239010 / 5000
1986	Arsenic	MR	4	SDWIS / NC0239010 / 1005
1986	Selenium	MR	2	SDWIS / NC0239010 / 1045
1986	Barium	MR	2	SDWIS / NC0239010 / 1010
1986	Fluoride	MR	2	SDWIS / NC0239010 / 1025
1986	Mercury	MR	2	SDWIS / NC0239010 / 1035
1986	Nitrate	MR	2	SDWIS / NC0239010 / 1040
1986	Cadmium	MR	2	SDWIS / NC0239010 / 1015

How OXFORD, CITY OF Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric	OXFORD, CITY OF	North Carolina avg	Federal benchmark
Total violations	123	104.4	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	28	7.7	Indicates a contaminant exceeded a federal MCL
PFAS detection	2 compounds	60.6%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	8,972	1,968	Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,020 regulated public water systems in North Carolina.

Federal MCL reference — Safe Drinking Water Act thresholds ▼

Contaminant	Federal MCL / Action Level	Note
Lead	0 mg/L (Action Level: 0.015 mg/L)	Lead and Copper Rule treatment technique
Arsenic	0.010 mg/L (10 ppb)	Health-based MCL since 2006
Total Coliform	Treatment technique (RTCR)	Indicator organism, monitoring trigger
PFOA / PFOS (PFAS)	4.0 ppt each (final 2024 rule)	Compliance deadline 2029
Nitrate (as N)	10 mg/L	Acute health risk for infants

Frequently Asked Questions

Is OXFORD, CITY OF water safe to drink? ▼

OXFORD, CITY OF (PWS ID: NC0239010) has 123 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 8,972 people using Surface Water sources.

How many people does OXFORD, CITY OF serve? ▼

OXFORD, CITY OF serves 8,972 people in OXFORD, North Carolina. It is a Local-owned system using Surface Water water sources with 3,486 service connections.

What type of violations does OXFORD, CITY OF have? ▼

OXFORD, CITY OF has 123 total violations: 28 health-based violations (MCL exceedances or treatment failures), 72 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in OXFORD, CITY OF water? ▼

Yes. UCMR5 testing detected 2 PFAS compounds in OXFORD, CITY OF's water supply: PFOS, PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.

What water source does OXFORD, CITY OF use? ▼

OXFORD, CITY OF uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Where does this data come from? ▼

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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