Effingham County, Illinois
7 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-07-16
ZipCheckup grade for Effingham: B.
This ZIP looks solid, with a few items worth a quick check.
In current tracking cycles, Effingham County - spanning 7 ZIP codes - records above-average water quality outcomes; the county's compliance history over recent years shows few departures from federal standards.
How Effingham County Compares
How Effingham County Compares
Effingham County scores 9 points above the Illinois state average (61/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-16
ZIP Code Risk Map
Water Quality Map: Effingham County, Illinois
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.1 (asthma 10.2%, diabetes 11.3%)
Estimated additional annual cost per homeowner: $874, driven primarily by energy_code_gap
Infrastructure: 0.437% avg pipe failure probability, 71% of ZIPs at high risk
60.6% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Effingham County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 8 violations. Past 5 years: 15 total (15 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: $874
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,162 housing units in Effingham 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 Effingham County
Remediation costs are relatively manageable for most homeowners in Effingham 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 Effingham County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Effingham County
8 community water systems serving Effingham County.
- B
- B
- B
- D
- B
- B
Show all 8 water systems
- C
- D
16 total water systems serve Effingham County.
Systems with the most violations in Effingham County
3 water systems with recorded EPA violations.
- B
- D
- B
All ZIP Codes in Effingham County
7 ZIP codes tracked in Effingham County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 62401 | Effingham | 83 | B | 0 | $196K |
| 2 | 62473 | Watson | 82 | B | 1 (1 health) | $117K |
| 3 | 62411 | Altamont | 81 | B | 2 (2 health) | $139K |
| 4 | 62424 | Dieterich | 73 | B | 29 (5 health) | $204K |
| 5 | 62467 | Teutopolis | 65 | C | 0 | $226K |
| 6 | 62414 | Beecher City | 53 | D | 23 (3 health) | $130K |
| 7 | 62443 | Mason | 53 | D | 0 | $166K |
Recommended Buyer Guides for Effingham County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 60.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Effingham County, Illinois
Overview
Effingham County in Illinois covers 7 ZIP codes with an average Home Safety Score of B (70/100).
4 of 7 ZIP codes have recorded EPA violations. 11 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.