Mahoning County, Ohio
31 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Spanning 31 ZIP codes, Mahoning County posts strong drinking water compliance — most systems have never triggered a health-based notice.
How Mahoning County Compares
How Mahoning County Compares
Mahoning County scores 10 points above the Ohio state average (60/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Mahoning County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15 (asthma 11%, diabetes 14.6%)
Estimated additional annual cost per homeowner: $1,359, driven primarily by energy_code_gap
Infrastructure: 0.398% avg pipe failure probability, 43% of ZIPs at high risk
77.2% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Mahoning County water systems. Health-based shown in red, total in blue.
Peak year: 2024 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.
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: $1,359
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
102,453 housing units in Mahoning 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 Mahoning County
Remediation costs are relatively manageable for most homeowners in Mahoning 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 Mahoning 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 Mahoning County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | YOUNGSTOWN CITY PWS | 130,530 | 58 |
| 2 | Jackson/milton Metro Water District Public Water System | 3,728 | 56 |
| 3 | AQUA OHIO - STRUTHERS | 58,551 | 16 |
| 4 | SEBRING VILLAGE PWS | 6,058 | 6 |
| 5 | Girard City | 14,122 | 4 |
15 total water systems serve Mahoning County.
All ZIP Codes in Mahoning County
31 ZIP codes tracked in Mahoning County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 44114 | Cleveland | 81 | B | 1 | $113K |
| 2 | 44501 | Youngstown | 80 | B | 4 | — |
| 3 | 44502 | Youngstown | 80 | B | 4 | $38K |
| 4 | 44503 | Youngstown | 80 | B | 4 | — |
| 5 | 44504 | Youngstown | 80 | B | 4 | $75K |
| 6 | 44506 | Youngstown | 80 | B | 4 | $24K |
| 7 | 44507 | Youngstown | 80 | B | 4 | $27K |
| 8 | 44509 | Youngstown | 80 | B | 4 | $56K |
| 9 | 44510 | Youngstown | 80 | B | 4 | — |
| 10 | 44511 | Youngstown | 80 | B | 4 | $111K |
| 11 | 44513 | Youngstown | 80 | B | 4 | — |
| 12 | 44555 | Youngstown | 80 | B | 4 | — |
| 13 | 44471 | Struthers | 79 | B | 2 | $97K |
| 14 | 44406 | Canfield | 76 | B | 2 | $261K |
| 15 | 44514 | Youngstown | 75 | B | 4 | $190K |
| 16 | 44672 | Sebring | 71 | B | 6 | $99K |
| 17 | 44512 | Youngstown | 70 | B | 4 | $159K |
| 18 | 44515 | Youngstown | 70 | B | 4 | $142K |
| 19 | 44401 | Berlin Center | 63 | C | 0 | $229K |
| 20 | 44412 | Diamond | 63 | C | 0 | $252K |
| 21 | 44440 | Mineral Ridge | 63 | C | 0 | $159K |
| 22 | 44449 | North Benton | 63 | C | 0 | $159K |
| 23 | 44451 | North Jackson | 63 | C | 0 | $202K |
| 24 | 44452 | North Lima | 63 | C | 0 | $224K |
| 25 | 44634 | Homeworth | 63 | C | 0 | $156K |
| 26 | 44411 | Deerfield | 53 | D | 0 | $169K |
| 27 | 44416 | Ellsworth | 53 | D | 0 | — |
| 28 | 44429 | Lake Milton | 53 | D | 0 | $153K |
| 29 | 44442 | New Middletown | 53 | D | 0 | $173K |
| 30 | 44619 | Damascus | 53 | D | 0 | — |
| 31 | 44665 | North Georgetown | 53 | D | 0 | — |
Recommended Buyer Guides for Mahoning County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 77.2% of homes built before 1978
Deep Dive Reports
Detailed analysis for Mahoning County, Ohio
Overview
Mahoning County in Ohio covers 31 ZIP codes with an average Home Safety Score of B (70/100).
18 of 31 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Ohio 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.