Allegany County, Maryland
24 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-04
Unlike top-rated counties, Allegany County's 24 ZIP codes carry a fair number of documented violations — chlorine compliance and disinfection byproduct limits are the categories most often cited in recent data.
How Allegany County Compares
How Allegany County Compares
Allegany County scores 5 points above the Maryland state average (61/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Allegany County, Maryland
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.5 (asthma 11.1%, diabetes 13.1%)
Estimated additional annual cost per homeowner: $1,286, driven primarily by flood
Infrastructure: 0.445% avg pipe failure probability, 88% of ZIPs at high risk
80.1% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Allegany County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 10 violations. Past 5 years: 27 total (27 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,286
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
34,801 housing units in Allegany County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Allegany County
Remediation costs are relatively manageable for most homeowners in Allegany County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Allegany County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Allegany County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Midland-lonaconing | 5,000 | 12 |
| 2 | TOWN OF WESTERNPORT | 2,200 | 8 |
| 3 | Western Region Allegany Distrib. System | 4,955 | 7 |
| 4 | Southern Region Allegany Distrib. System | 865 | 7 |
| 5 | Garrett Children's Center | 45 | 5 |
16 total water systems serve Allegany County.
All ZIP Codes in Allegany County
24 ZIP codes tracked in Allegany County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 21501 | Cumberland | 83 | B | 0 | — |
| 2 | 21503 | Cumberland | 83 | B | 0 | — |
| 3 | 21504 | Cumberland | 83 | B | 0 | — |
| 4 | 21505 | Cumberland | 83 | B | 0 | — |
| 5 | 21540 | Luke | 83 | B | 1 | $50K |
| 6 | 21543 | Midlothian | 82 | B | 2 (1 health) | $186K |
| 7 | 21557 | Rawlings | 82 | B | 2 (1 health) | $100K |
| 8 | 21539 | Lonaconing | 75 | B | 5 (3 health) | $109K |
| 9 | 21502 | Cumberland | 73 | B | 0 | $151K |
| 10 | 20779 | Tracys Landing | 63 | C | 0 | $509K |
| 11 | 21523 | Bloomington | 63 | C | 0 | $105K |
| 12 | 21530 | Flintstone | 63 | C | 0 | $194K |
| 13 | 21562 | Westernport | 63 | C | 5 (2 health) | $113K |
| 14 | 21780 | Sabillasville | 63 | C | 0 | $420K |
| 15 | 21521 | Barton | 55 | C | 0 | $131K |
| 16 | 21524 | Corriganville | 55 | C | 0 | $141K |
| 17 | 21529 | Ellerslie | 55 | C | 0 | $145K |
| 18 | 21532 | Frostburg | 55 | C | 0 | $176K |
| 19 | 21542 | Midland | 55 | C | 0 | $86K |
| 20 | 21545 | Mount Savage | 55 | C | 0 | $111K |
| 21 | 21555 | Oldtown | 55 | C | 0 | $206K |
| 22 | 21528 | Eckhart Mines | 53 | D | 0 | — |
| 23 | 21556 | Pinto | 53 | D | 0 | — |
| 24 | 21560 | Spring Gap | 53 | D | 0 | — |
Recommended Buyer Guides for Allegany County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 80.1% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Allegany County, Maryland
Overview
Allegany County in Maryland covers 24 ZIP codes with an average Home Safety Score of C (66/100).
5 of 24 ZIP codes have recorded EPA violations. 7 health-based violations have been documented.
← Back to Maryland water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.