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Community Water System · PWS VA6061318

New Baltimore Regional

Warrenton, Virginia 20187 - drinking water served from groundwater sources to 8,818 people, tracked in EPA SDWIS and UCMR5.

8,818
People served
31
EPA violations
27
Health-based
6 PFAS
UCMR5 result

The verdict

EPA records 31 drinking-water violations at New Baltimore Regional, 87% of them health-based - below the Virginia per-system average, and UCMR5 testing detected 6 PFAS compounds.

31
Total EPA violations on record
87%
Health-based (MCL / treatment failure)
8,818
People served by this system
6
PFAS compounds detected (UCMR5)

Water Quality Snapshot: New Baltimore Regional

New Baltimore Regional is a local-owned community water system that delivers drinking water to 8,818 residents in Warrenton, Virginia (Fauquier County) through 3,201 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 27 (87%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 18 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 6 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 12 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Virginia, EPA tracks 2,821 public water systems serving 7,911,199 people, with 146,670 cumulative violations and 25,642 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 52 violations. Statewide, 70 of 171 UCMR5-tested systems have reported PFAS detections (40.9%).

New Baltimore Regional's 31 violations sit below the Virginia average.

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

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

Population Served
8,818
Total Violations
31
Health-Based Violations
27
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,201
County
Fauquier
School/Daycare
No
MCL Violations
27
Monitoring Violations
3
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 18 2017
Coliform (TCR) MCL 9 1993
Nitrate-Nitrite MR 3 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 36 of 522 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 8/15/2023 <20.00 ppt 20.00 ppt Not Detected
PFHxA 8/15/2023 3.30 ppt 3.00 ppt Detected
ADONA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/15/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/15/2023 <2.00 ppt 2.00 ppt Not Detected
PFTA 8/14/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/14/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/14/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/14/2023 <6.00 ppt 6.00 ppt Not Detected
PFEESA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 6/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 6/20/2023 6.20 ppt 3.00 ppt Detected
PFDoA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/20/2023 3.00 ppt 3.00 ppt Detected
PFHpA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/20/2023 5.20 ppt 3.00 ppt Detected
PFHpS 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 6/20/2023 <8.00 ppt 8.00 ppt Not Detected
NFDHA 6/20/2023 <20.00 ppt 20.00 ppt Not Detected
PFTrDA 6/20/2023 <7.00 ppt 7.00 ppt Not Detected
PFMBA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 6/20/2023 4.40 ppt 3.00 ppt Detected
PFMPA 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 6/20/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 6/20/2023 <5.00 ppt 5.00 ppt 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 New Baltimore Regional.

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 VA6061318 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Virginia Drinking Water Authority

Virginia Department of Health, Office of Drinking Water is the primacy agency that licenses and inspects New Baltimore Regional under EPA-delegated authority.

Open VA regulator portal

Source: Virginia Department of Health, Office of Drinking Water

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
2017 Combined Radium (-226 and -228) MCL 18 SDWIS / VA6061318 / 4010
2011 Nitrate-Nitrite MR 3 SDWIS / VA6061318 / 1038
1993 Coliform (TCR) MCL 9 SDWIS / VA6061318 / 3100

How New Baltimore Regional Compares

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

Metric New Baltimore Regional Virginia avg Federal benchmark
Total violations 31 52 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 27 9.1 Indicates a contaminant exceeded a federal MCL
PFAS detection 6 compounds 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,818 2,804 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,821 regulated public water systems in 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is New Baltimore Regional water safe to drink? ▼
New Baltimore Regional (PWS ID: VA6061318) has 31 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 6 PFAS compounds found. This system serves 8,818 people using Groundwater sources.
How many people does New Baltimore Regional serve? ▼
New Baltimore Regional serves 8,818 people in Warrenton, Virginia. It is a Local-owned system using Groundwater water sources with 3,201 service connections.
What type of violations does New Baltimore Regional have? ▼
New Baltimore Regional has 31 total violations: 27 health-based violations (MCL exceedances or treatment failures), 3 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in New Baltimore Regional water? ▼
Yes. UCMR5 testing detected 6 PFAS compounds in New Baltimore Regional's water supply: PFHxA, PFHxS, PFBS, PFPeA, PFOA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does New Baltimore Regional use? ▼
New Baltimore Regional uses Groundwater 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.
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.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.