Venango County, Pennsylvania
10 ZIP codes · Avg score 50/100 · Grade D · Updated 2026-06-03
Poor compliance rates put Venango County in the bottom safety tier — 10 ZIP codes, below the state average.
How Venango County Compares
How Venango County Compares
Venango County scores 5 points below the Pennsylvania state average (55/100) and 18 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Venango 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: $2,120, driven primarily by flood
Infrastructure: 0.501% avg pipe failure probability, 100% of ZIPs at high risk
79.4% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Venango County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 7 violations. Past 5 years: 17 total (17 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.
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: $2,120
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
21,428 housing units in Venango 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 Venango County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Venango County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Sandycreek Twp Waterworks | 2,417 | 48 |
| 2 | Polk Center | 1,058 | 43 |
| 3 | Rouseville Mun Waterworks | 523 | 27 |
| 4 | SENECA & CRANBERRY MALL DIST | 4,500 | 20 |
| 5 | Clintonville Boro Wtp | 557 | 12 |
17 total water systems serve Venango County.
All ZIP Codes in Venango County
10 ZIP codes tracked in Venango County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 16346 | Seneca | 68 | C | 5 | $132K |
| 2 | 16323 | Franklin | 59 | C | 5 (1 health) | $120K |
| 3 | 16301 | Oil City | 55 | C | 1 | $85K |
| 4 | 16319 | Cranberry | 53 | D | 0 | $133K |
| 5 | 16343 | Reno | 53 | D | 0 | $111K |
| 6 | 16344 | Rouseville | 48 | D | 27 | $57K |
| 7 | 16317 | Cooperstown | 45 | D | 0 | $117K |
| 8 | 16372 | Clintonville | 45 | D | 12 | $95K |
| 9 | 16374 | Kennerdell | 41 | D | 9 (1 health) | $120K |
| 10 | 16342 | Polk | 32 | F | 43 (10 health) | $114K |
Recommended Buyer Guides for Venango County
Below: editorial picks, no sponsored placements.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 79.4% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
Deep Dive Reports
Detailed analysis for Venango County, Pennsylvania
Overview
Venango County in Pennsylvania covers 10 ZIP codes with an average Home Safety Score of D (50/100).
7 of 10 ZIP codes have recorded EPA violations. 12 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.
What You Can Do
Venango County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
79.4% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.