Somerset County, Pennsylvania
39 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-06-03
Compared to top-scoring counties, Somerset County's 39 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Somerset County Compares
How Somerset County Compares
Somerset County scores 8 points above the Pennsylvania state average (55/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Somerset County, Pennsylvania
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Estimated additional annual cost per homeowner: $1,174, driven primarily by energy_code_gap
Infrastructure: 0.495% avg pipe failure probability, 83% of ZIPs at high risk
78.5% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Somerset County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 4 violations. Past 5 years: 6 total (6 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $1,174
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
32,328 housing units in Somerset 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 Somerset County
Remediation costs are relatively manageable for most homeowners in Somerset 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.
Water Systems with Most Violations
Top 5 systems in Somerset County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Conemaugh Twp Muni Authority | 7,800 | 40 |
| 2 | Berlin Boro Muni Authority | 2,468 | 36 |
| 3 | LINCOLN TWP MUNI AUTH | 1,400 | 34 |
| 4 | Gray Area Watr Authority of Jen Twp | 700 | 33 |
| 5 | Garrett Boro Water Sys | 449 | 31 |
34 total water systems serve Somerset County.
All ZIP Codes in Somerset County
39 ZIP codes tracked in Somerset County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 15510 | Somerset | 79 | B | 9 | — |
| 2 | 15924 | Cairnbrook | 75 | B | 1 | $81K |
| 3 | 15501 | Somerset | 74 | B | 9 | $162K |
| 4 | 15563 | Stoystown | 74 | B | 2 | $119K |
| 5 | 15530 | Berlin | 73 | B | 5 | $146K |
| 6 | 15547 | Jennerstown | 72 | B | 3 | $204K |
| 7 | 15558 | Salisbury | 71 | B | 5 | $124K |
| 8 | 15561 | Sipesville | 71 | B | 2 | $115K |
| 9 | 15502 | Hidden Valley | 70 | B | 4 | $454K |
| 10 | 15531 | Boswell | 70 | B | 10 | $123K |
| 11 | 15541 | Friedens | 69 | C | 7 | $158K |
| 12 | 15928 | Davidsville | 69 | C | 30 | $199K |
| 13 | 15936 | Hooversville | 69 | C | 8 (1 health) | $104K |
| 14 | 15542 | Garrett | 68 | C | 5 | $105K |
| 15 | 15926 | Central City | 67 | C | 4 | $105K |
| 16 | 15557 | Rockwood | 66 | C | 9 | $124K |
| 17 | 15411 | Addison | 65 | C | 5 | $206K |
| 18 | 15424 | Confluence | 65 | C | 5 | $132K |
| 19 | 15485 | Ursina | 63 | C | 0 | — |
| 20 | 15520 | Acosta | 63 | C | 0 | $108K |
| 21 | 15532 | Boynton | 63 | C | 0 | $77K |
| 22 | 15546 | Jenners | 63 | C | 0 | $62K |
| 23 | 15549 | Listie | 63 | C | 0 | — |
| 24 | 15555 | Quecreek | 63 | C | 0 | $82K |
| 25 | 15560 | Shanksville | 63 | C | 0 | $94K |
| 26 | 15565 | West Salisbury | 63 | C | 0 | — |
| 27 | 15687 | Stahlstown | 63 | C | 0 | $203K |
| 28 | 15935 | Hollsopple | 55 | C | 0 | $96K |
| 29 | 15540 | Fort Hill | 53 | D | 0 | $179K |
| 30 | 15548 | Kantner | 53 | D | 0 | — |
| 31 | 15551 | Markleton | 53 | D | 0 | $165K |
| 32 | 15553 | New Baltimore | 53 | D | 0 | — |
| 33 | 15562 | Springs | 53 | D | 0 | $144K |
| 34 | 15628 | Donegal | 53 | D | 0 | $157K |
| 35 | 15646 | Jones Mills | 53 | D | 0 | — |
| 36 | 15937 | Jerome | 53 | D | 0 | — |
| 37 | 15953 | Seanor | 53 | D | 0 | $95K |
| 38 | 15544 | Gray | 40 | D | 14 | $115K |
| 39 | 15552 | Meyersdale | 34 | F | 26 | $129K |
Recommended Buyer Guides for Somerset County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Water Filters for Lead — Lead above EPA action level in 2 ZIP codes
- Best Lead Paint Test Kits — 78.5% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Somerset County, Pennsylvania
Overview
Somerset County in Pennsylvania covers 39 ZIP codes with an average Home Safety Score of C (63/100).
20 of 39 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Pennsylvania 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.