Ringgold County, Iowa
10 ZIP codes · Avg score 43/100 · Grade D · Updated 2026-06-03
Water systems serving Ringgold County's 10 ZIP codes record elevated violation rates — residents in affected areas may want to verify their local system's current status.
How Ringgold County Compares
How Ringgold County Compares
Ringgold County scores 16 points below the Iowa state average (59/100) and 25 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Ringgold County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.2 (asthma 10%, diabetes 12.2%)
Estimated additional annual cost per homeowner: $731, driven primarily by water_lead
Infrastructure: 0.473% avg pipe failure probability, 90% of ZIPs at high risk
73.4% 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: $731
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,910 housing units in Ringgold 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 Ringgold County
Remediation costs are relatively manageable for most homeowners in Ringgold 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 Ringgold County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Ringgold County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | KELLERTON WATER SUPPLY | 247 | 9 |
| 2 | MOUNT AYR WATER TREATMENT PLANT | 1,683 | 9 |
| 3 | DIAGONAL WATER DEPARTMENT | 338 | 8 |
All ZIP Codes in Ringgold County
10 ZIP codes tracked in Ringgold County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 50854 | Mount Ayr | 62 | C | 5 | $151K |
| 2 | 50845 | Diagonal | 59 | C | 8 | $104K |
| 3 | 50074 | Ellston | 40 | D | 0 | $435K |
| 4 | 50108 | Grand River | 40 | D | 0 | $46K |
| 5 | 50831 | Arispe | 40 | D | 0 | — |
| 6 | 50835 | Benton | 40 | D | 0 | — |
| 7 | 50860 | Redding | 40 | D | 0 | — |
| 8 | 50861 | Shannon City | 40 | D | 0 | $90K |
| 9 | 50863 | Tingley | 40 | D | 0 | $91K |
| 10 | 50133 | Kellerton | 30 | F | 4 | $132K |
Recommended Buyer Guides for Ringgold County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 73.4% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Ringgold County, Iowa
Overview
Ringgold County in Iowa covers 10 ZIP codes with an average Home Safety Score of D (43/100).
3 of 10 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.
What You Can Do
Ringgold County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
73.4% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.