Clinton County, Illinois
15 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03
Across Clinton County's 15 ZIP codes, water safety results are uneven — a portion of systems carry active or recent violations, while others meet standards without issues.
How Clinton County Compares
How Clinton County Compares
Clinton County scores 6 points above the Illinois state average (61/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Clinton County, Illinois
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.6 (asthma 10.3%, diabetes 11.5%)
Estimated additional annual cost per homeowner: $836, driven primarily by energy_code_gap
Infrastructure: 0.403% avg pipe failure probability, 36% of ZIPs at high risk
64.8% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Clinton County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 4 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: $836
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
14,631 housing units in Clinton 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 Clinton County
Remediation costs are relatively manageable for most homeowners in Clinton 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 Clinton 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 Clinton County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | New Baden | 4,178 | 60 |
| 2 | Breese | 4,772 | 47 |
| 3 | Beckemeyer | 913 | 47 |
| 4 | Aviston | 2,545 | 42 |
| 5 | Trenton | 2,742 | 42 |
27 total water systems serve Clinton County.
All ZIP Codes in Clinton County
15 ZIP codes tracked in Clinton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 62219 | Beckemeyer | 83 | B | 0 | $111K |
| 2 | 62250 | Hoffman | 83 | B | 1 | $110K |
| 3 | 62231 | Carlyle | 78 | B | 4 | $158K |
| 4 | 62293 | Trenton | 78 | B | 6 (4 health) | $215K |
| 5 | 62265 | New Baden | 75 | B | 1 | $174K |
| 6 | 62253 | Keyesport | 73 | B | 2 | $101K |
| 7 | 62230 | Breese | 72 | B | 7 | $209K |
| 8 | 62245 | Germantown | 69 | C | 6 | $198K |
| 9 | 62218 | Bartelso | 67 | C | 4 | $197K |
| 10 | 62266 | New Memphis | 67 | C | 1 (1 health) | — |
| 11 | 62215 | Albers | 62 | C | 6 | $205K |
| 12 | 62892 | Vernon | 55 | C | 0 | $95K |
| 13 | 62252 | Huey | 53 | D | 0 | — |
| 14 | 62885 | Shobonier | 53 | D | 0 | $89K |
| 15 | 62216 | Aviston | 35 | F | 36 (3 health) | $235K |
Recommended Buyer Guides for Clinton 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 Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 64.8% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Clinton County, Illinois
Overview
Clinton County in Illinois covers 15 ZIP codes with an average Home Safety Score of C (67/100).
11 of 15 ZIP codes have recorded EPA violations. 8 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.