Jasper County, Illinois
5 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
Jasper County: 5 ZIP codes, mid-range safety grade.
How Jasper County Compares
How Jasper County Compares
Jasper County scores 1 points above the Illinois state average (61/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Jasper 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 10.2%, diabetes 12%)
Estimated additional annual cost per homeowner: $1,100, driven primarily by energy_code_gap
Infrastructure: 0.438% avg pipe failure probability, 80% of ZIPs at high risk
72.8% 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: $1,100
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,544 housing units in Jasper 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 Jasper County
Remediation costs are relatively manageable for most homeowners in Jasper 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 Jasper 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 Jasper County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Ej Water Cooperative | 29,720 | 14 |
| 2 | Newton | 2,977 | 8 |
| 3 | Sumner | 921 | 8 |
| 4 | Timberline Mhp | 120 | 8 |
| 5 | WILLOW HILL | 309 | 6 |
8 total water systems serve Jasper County.
All ZIP Codes in Jasper County
5 ZIP codes tracked in Jasper County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 62445 | Montrose | 83 | B | 0 | $181K |
| 2 | 62480 | Willow Hill | 69 | C | 6 | $113K |
| 3 | 62448 | Newton | 53 | D | 8 | $118K |
| 4 | 62459 | Sainte Marie | 53 | D | 0 | $104K |
| 5 | 62481 | Yale | 53 | D | 0 | — |
Recommended Buyer Guides for Jasper County
Editorial-only picks, screened against the EPA detections on file.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 72.8% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Jasper County, Illinois
Overview
Jasper County in Illinois covers 5 ZIP codes with an average Home Safety Score of C (62/100).
2 of 5 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.