Greene County, Pennsylvania
15 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
Compared to top-scoring counties, Greene County's 15 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 Greene County Compares
How Greene County Compares
Greene County scores 7 points above the Pennsylvania state average (55/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Greene 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: $1,424, driven primarily by flood
Infrastructure: 0.491% avg pipe failure probability, 87% of ZIPs at high risk
77.1% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Greene County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 32 violations. Past 5 years: 111 total (111 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: $1,424
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
11,423 housing units in Greene 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 Greene County
Remediation costs are relatively manageable for most homeowners in Greene 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 Greene County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | SOUTHWESTERN PA WATER AUTH | 40,000 | 52 |
| 2 | PA AMERICAN DILLINER SYSTEM | 4,200 | 45 |
| 3 | BRAVE WATER AUTH | 200 | 31 |
| 4 | Mt Morris Water & Sewage Authority | 1,500 | 3 |
| 5 | TRI CNTY JT MUNI AUTH | 10,100 | 0 |
All ZIP Codes in Greene County
15 ZIP codes tracked in Greene County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 15344 | Jefferson | 78 | B | 7 | $146K |
| 2 | 15327 | Dilliner | 74 | B | 42 (9 health) | $105K |
| 3 | 15349 | Mount Morris | 69 | C | 3 | $198K |
| 4 | 15316 | Brave | 64 | C | 31 (11 health) | $113K |
| 5 | 15310 | Aleppo | 63 | C | 0 | $152K |
| 6 | 15315 | Bobtown | 63 | C | 0 | $56K |
| 7 | 15341 | Holbrook | 63 | C | 0 | $138K |
| 8 | 15352 | New Freeport | 63 | C | 0 | $140K |
| 9 | 15357 | Rices Landing | 63 | C | 0 | $164K |
| 10 | 15362 | Spraggs | 63 | C | 0 | $157K |
| 11 | 15322 | Clarksville | 55 | C | 0 | $97K |
| 12 | 15359 | Rogersville | 55 | C | 0 | $138K |
| 13 | 15334 | Garards Fort | 53 | D | 0 | $219K |
| 14 | 15346 | Mather | 53 | D | 0 | $88K |
| 15 | 15370 | Waynesburg | 50 | D | 0 | $183K |
Recommended Buyer Guides for Greene County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- Best Lead Paint Test Kits — 77.1% 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 Greene County, Pennsylvania
Overview
Greene County in Pennsylvania covers 15 ZIP codes with an average Home Safety Score of C (62/100).
4 of 15 ZIP codes have recorded EPA violations. 20 health-based violations 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.