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Barrelville, MD Tap Water Quality 2026

Water quality report for Barrelville, MD — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Barrelville's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Barrelville PWSID: MD0010001 Updated: 2026 Q2
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1 violation currently open

Lead was not detected. PFAS has never been sampled at this system.

C

Barrelville earns a C for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: not detected
PFAS never sampled at this system
40 violations since 2015, 2 health-based
1 violation currently open
Barrelville's lead level vs. all Maryland community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Maryland utilities
Population Served
58
~42 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 40 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Revised Total Coliform Rule MONITORING FAILURE — — 2026 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2026 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2026 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Consumer Confidence Rule OTHER — — 2025 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2024 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2023 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2023–2025 Archived
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2023–2025 Archived
Chromium MONITORING AND REPORTING — 0.1 mg/L 2023–2025 Archived
Mercury MONITORING AND REPORTING — 0.002 mg/L 2023–2025 Archived
Nickel MONITORING AND REPORTING — — 2023–2025 Archived
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2023–2025 Archived
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2023–2025 Archived
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2023–2025 Archived
Selenium MONITORING AND REPORTING — 0.05 mg/L 2023–2025 Archived
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2023–2025 Archived
Consumer Confidence Rule OTHER — — 2022 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2020 Resolved
Consumer Confidence Rule OTHER — — 2019 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2019 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Unaddressed
Nitrate MONITORING AND REPORTING — 10 mg/L 2016 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2016–2018 Resolved
E. COLI MONITORING AND REPORTING — 0 2015 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

1 violation remains open, out of 40 recorded since 2015 (2 health-based).

About the Main Water System

Utility Barrelville
PWSID MD0010001
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 58
Service connections 42
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Barrelville tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open.
Does Barrelville water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Barrelville? ▼
Barrelville (PWSID MD0010001), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-01-14. No significant deficiencies were recorded.

What Should Barrelville Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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