Jasper County, Iowa
14 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-03
Water monitoring across Jasper County's 14 ZIP codes paints a mid-range picture — solid compliance in some zones, documented concerns in others; most violations on record are concentrated in specific prior years rather than spread evenly across the full compliance history, and the overall county grade has held steady in the middle tier without major shifts in either direction.
How Jasper County Compares
How Jasper County Compares
Jasper County scores 0 points above the Iowa state average (59/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Jasper County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.7 (asthma 10%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $629, driven primarily by energy_code_gap
Infrastructure: 0.444% avg pipe failure probability, 93% of ZIPs at high risk
71.7% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Jasper County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 1 violation. Past 5 years: 2 total (2 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: $629
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,704 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 | Des Moines Water Works | 246,055 | 9 |
| 2 | Mingo Water Department | 316 | 6 |
| 3 | Newton Water Supply | 16,518 | 6 |
| 4 | Ia Regional Utilities Assoc (waverly) | 37,820 | 6 |
| 5 | Autumn Ridge Estates Mhp | 1,032 | 6 |
18 total water systems serve Jasper County.
All ZIP Codes in Jasper County
14 ZIP codes tracked in Jasper County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 50135 | Kellogg | 70 | B | 1 | $179K |
| 2 | 50169 | Mitchellville | 69 | C | 3 (1 health) | $211K |
| 3 | 50153 | Lynnville | 66 | C | 0 | $156K |
| 4 | 50170 | Monroe | 66 | C | 0 | $194K |
| 5 | 50208 | Newton | 66 | C | 6 | $162K |
| 6 | 50228 | Prairie City | 66 | C | 0 | $197K |
| 7 | 50251 | Sully | 66 | C | 0 | $172K |
| 8 | 50028 | Baxter | 63 | C | 3 | $197K |
| 9 | 50168 | Mingo | 62 | C | 6 | $233K |
| 10 | 50214 | Otley | 53 | D | 0 | $355K |
| 11 | 50232 | Reasnor | 53 | D | 0 | $257K |
| 12 | 50127 | Ira | 40 | D | 0 | — |
| 13 | 50137 | Killduff | 40 | D | 0 | $165K |
| 14 | 50242 | Searsboro | 40 | D | 0 | $233K |
Recommended Buyer Guides for Jasper County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 71.7% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Jasper County, Iowa
Overview
Jasper County in Iowa covers 14 ZIP codes with an average Home Safety Score of C (59/100).
5 of 14 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Iowa 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.