Menard County, Illinois
7 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-03
Unlike top-rated counties, Menard County's 7 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 Menard County Compares
How Menard County Compares
Menard County scores 2 points below the Illinois state average (61/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Menard County, Illinois
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.8 (asthma 10.4%, diabetes 12%)
Estimated additional annual cost per homeowner: $1,099, driven primarily by energy_code_gap
Infrastructure: 0.424% avg pipe failure probability, 71% of ZIPs at high risk
69.7% of homes built before 1978 (lead paint era)
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: $1,099
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,298 housing units in Menard 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 Menard County
Remediation costs are relatively manageable for most homeowners in Menard 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 Menard 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 Menard County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Athens | 4,575 | 15 |
| 2 | Petersburg | 4,725 | 9 |
| 3 | Menard Rural Water Coop | 753 | 9 |
| 4 | New Salem Pwd | 451 | 9 |
| 5 | OAKFORD | 234 | 5 |
9 total water systems serve Menard County.
All ZIP Codes in Menard County
7 ZIP codes tracked in Menard County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 62673 | Oakford | 66 | C | 5 | $134K |
| 2 | 62613 | Athens | 64 | C | 4 | $189K |
| 3 | 62675 | Petersburg | 62 | C | 9 (3 health) | $192K |
| 4 | 62642 | Greenview | 60 | C | 2 | $109K |
| 5 | 62688 | Tallula | 55 | C | 0 | $137K |
| 6 | 62625 | Cantrall | 53 | D | 0 | $278K |
| 7 | 62655 | Kilbourne | 53 | D | 0 | $116K |
Recommended Buyer Guides for Menard 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 Lead Paint Test Kits — 69.7% 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
Deep Dive Reports
Detailed analysis for Menard County, Illinois
Overview
Menard County in Illinois covers 7 ZIP codes with an average Home Safety Score of C (59/100).
4 of 7 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.
← Back to Illinois 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.