BERKELEY COUNTY PSWD-POTOMAC RIVER

Q: Is BERKELEY COUNTY PSWD-POTOMAC RIVER water safe to drink?

BERKELEY COUNTY PSWD-POTOMAC RIVER (PWS ID: WV3300218) has 98 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 34,786 people using Surface Water sources.

Q: What type of violations does BERKELEY COUNTY PSWD-POTOMAC RIVER have?

BERKELEY COUNTY PSWD-POTOMAC RIVER has 98 total violations: 48 health-based violations (MCL exceedances or treatment failures), 30 monitoring/reporting violations, and 16 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in BERKELEY COUNTY PSWD-POTOMAC RIVER water?

No. BERKELEY COUNTY PSWD-POTOMAC RIVER was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

Q: What water source does BERKELEY COUNTY PSWD-POTOMAC RIVER use?

BERKELEY COUNTY PSWD-POTOMAC RIVER 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 4, 2026

PWS ID: WV3300218 · MARTINSBURG, West Virginia 25403

BERKELEY COUNTY PSWD-POTOMAC RIVER serves 34,786 people in MARTINSBURG, West Virginia using Surface Water water sources. It has 98 recorded EPA violations, including 48 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BERKELEY COUNTY PSWD-POTOMAC RIVER

BERKELEY COUNTY PSWD-POTOMAC RIVER is a local-owned community water system that delivers drinking water to 34,786 residents in MARTINSBURG, West Virginia (Berkeley County) through 14,134 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 98 total violations for this system , of which 48 (49%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 30 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 20 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across West Virginia, EPA tracks 774 public water systems serving 1,597,057 people, with 187,590 cumulative violations and 11,480 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 242.4 violations. BERKELEY COUNTY PSWD-POTOMAC RIVER's 98 violations sit below the West Virginia average. Statewide, 46 of 102 UCMR5-tested systems have reported PFAS detections (45.1%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served

34,786

Total Violations

Health-Based Violations

Water Source

Surface Water

System Details

System Type: Community
Owner Type: Local
Connections: 14,134
County: Berkeley
School/Daycare: No
MCL Violations: 32
Monitoring Violations: 30
Treatment Tech Violations: 16

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Total Haloacetic Acids (HAA5)	MCL	20	2005
Surface Water Treatment Rule	TT	12	1996
Consumer Confidence Rule	Other	12	2025
Coliform (TCR)	MCL	12	2009
Lead and Copper Rule	MR	6	2019
Interim Enhanced Surface Water Treatment Rule	MR	6	2018
TTHM	MR	4	2013
Total Haloacetic Acids (HAA5)	MR	4	2013
Coliform (TCR)	MR	4	1993
Surface Water Treatment Rule	MR	4	2017
Interim Enhanced Surface Water Treatment Rule	TT	4	2003
Surface Water Treatment Rule	Other	3	1995
Public Notice	Other	3	2022
OXAMYL	MR	2	2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
PFNA	9/18/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFMBA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NEtFOSAA	9/18/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFHxS	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	9/18/2023	<9 µg/L	9 µg/L	Not Detected
NMeFOSAA	9/18/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFTrDA	9/18/2023	<0.007 µg/L	0.007 µg/L	Not Detected
PFTA	9/18/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFMPA	9/18/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeS	9/18/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOS	9/18/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFEESA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFUnA	9/18/2023	<0.002 µg/L	0.002 µg/L	Not Detected
PFPeA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpS	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	9/18/2023	<0.02 µg/L	0.02 µg/L	Not Detected
6:2 FTS	9/18/2023	<0.005 µg/L	0.005 µg/L	Not Detected
8:2 FTS	9/18/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFDoA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
4:2 FTS	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	9/18/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFBA	9/18/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFDA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
ADONA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
9Cl-PF3ONS	9/18/2023	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	9/18/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFHxA	9/18/2023	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	9/18/2023	<0.005 µg/L	0.005 µg/L	Not Detected
6:2 FTS	6/12/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBA	6/12/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFDA	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
ADONA	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
11Cl-PF3OUdS	6/12/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFUnA	6/12/2023	<0.002 µg/L	0.002 µg/L	Not Detected
PFHxA	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	6/12/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOS	6/12/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFNA	6/12/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxS	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	6/12/2023	<9 µg/L	9 µg/L	Not Detected
4:2 FTS	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	6/12/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBS	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpS	6/12/2023	<0.003 µg/L	0.003 µg/L	Not Detected
8:2 FTS	6/12/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NMeFOSAA	6/12/2023	<0.006 µg/L	0.006 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 BERKELEY COUNTY PSWD-POTOMAC RIVER.

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 WV3300218 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

West Virginia Drinking Water Authority

West Virginia's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find WV regulator via EPA SDWIS

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
2025	Consumer Confidence Rule	Other	12	SDWIS / WV3300218 / 7000
2022	Public Notice	Other	3	SDWIS / WV3300218 / 7500
2020	OXAMYL	MR	2	SDWIS / WV3300218 / 2036
2019	Lead and Copper Rule	MR	6	SDWIS / WV3300218 / 5000
2018	Interim Enhanced Surface Water Treatment Rule	MR	6	SDWIS / WV3300218 / 0300
2017	Surface Water Treatment Rule	MR	4	SDWIS / WV3300218 / 0200
2013	TTHM	MR	4	SDWIS / WV3300218 / 2950
2013	Total Haloacetic Acids (HAA5)	MR	4	SDWIS / WV3300218 / 2456
2009	Coliform (TCR)	MCL	12	SDWIS / WV3300218 / 3100
2005	Total Haloacetic Acids (HAA5)	MCL	20	SDWIS / WV3300218 / 2456
2003	Interim Enhanced Surface Water Treatment Rule	TT	4	SDWIS / WV3300218 / 0300
1996	Surface Water Treatment Rule	TT	12	SDWIS / WV3300218 / 0200
1995	Surface Water Treatment Rule	Other	3	SDWIS / WV3300218 / 0200
1993	Coliform (TCR)	MR	4	SDWIS / WV3300218 / 3100

How BERKELEY COUNTY PSWD-POTOMAC RIVER Compares

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

Metric	BERKELEY COUNTY PSWD-POTOMAC RIVER	West Virginia avg	Federal benchmark
Total violations	98	242.4	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	48	14.8	Indicates a contaminant exceeded a federal MCL
PFAS detection	None	45.1%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	34,786	2,063	Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 774 regulated public water systems in West Virginia.

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 BERKELEY COUNTY PSWD-POTOMAC RIVER water safe to drink? ▼

BERKELEY COUNTY PSWD-POTOMAC RIVER (PWS ID: WV3300218) has 98 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 34,786 people using Surface Water sources.

How many people does BERKELEY COUNTY PSWD-POTOMAC RIVER serve? ▼

BERKELEY COUNTY PSWD-POTOMAC RIVER serves 34,786 people in MARTINSBURG, West Virginia. It is a Local-owned system using Surface Water water sources with 14,134 service connections.

What type of violations does BERKELEY COUNTY PSWD-POTOMAC RIVER have? ▼

BERKELEY COUNTY PSWD-POTOMAC RIVER has 98 total violations: 48 health-based violations (MCL exceedances or treatment failures), 30 monitoring/reporting violations, and 16 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in BERKELEY COUNTY PSWD-POTOMAC RIVER water? ▼

No. BERKELEY COUNTY PSWD-POTOMAC RIVER was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

What water source does BERKELEY COUNTY PSWD-POTOMAC RIVER use? ▼

BERKELEY COUNTY PSWD-POTOMAC RIVER 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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