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Carlos, MD Tap Water Quality 2026

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

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

Main Utility: Western Region Allegany Distrib. System PWSID: MD0010009 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead has not been reported for this system and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Carlos earns a B for water quality

Graded on violations alone, with state inspection findings. PFAS not tested. Lead not reported.

Lead: not reported
PFAS sampled, too few results to judge
No violations since 2015
No violations currently open
Carlos's lead level vs. all Maryland community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: — 0% of the federal action level
✓ Lower lead than % of Maryland utilities
Population Served
144
~1635 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
None on record since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Action level: 15 ppb
No lead result has been reported for this system in the current window. That is a gap in state reporting, not a finding of safety.

Contaminant Violations (2015–Present)

✓ No violations on record for this water system.
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

No violations are on record for this system since 2015. EPA records violations for every community water system, so this reflects a clean compliance history rather than missing data.

About the Main Water System

Utility Western Region Allegany Distrib. System
PWSID MD0010009
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 144
Service connections 1,635
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Carlos tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Carlos water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Carlos? ▼
Western Region Allegany Distrib. System (PWSID MD0010009). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2023-05-31. No significant deficiencies were recorded.

What Should Carlos 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
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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