Iredell County, North Carolina
9 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-04
Safe water is the norm for most of Iredell County's 9 ZIP codes — but a notable subset have documented violations that push the grade to the middle tier.
How Iredell County Compares
How Iredell County Compares
Iredell County scores 6 points below the North Carolina state average (73/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Iredell County, North Carolina
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.6 (asthma 10.5%, diabetes 10.9%)
Estimated additional annual cost per homeowner: $607, driven primarily by flood
Infrastructure: 0.359% avg pipe failure probability, 14% of ZIPs at high risk
45.7% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Iredell County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 10 violations. Past 5 years: 12 total (12 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: $607
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
74,670 housing units in Iredell 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 Iredell County
Remediation costs are relatively manageable for most homeowners in Iredell 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 Iredell 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 Iredell County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Statesville, | 30,843 | 22 |
| 2 | Heronwood S/d | 481 | 22 |
| 3 | Iredell Water Corporation | 27,173 | 18 |
| 4 | Murdock Rd Water System | 447 | 18 |
| 5 | Westover S/d | 335 | 18 |
17 total water systems serve Iredell County.
All ZIP Codes in Iredell County
9 ZIP codes tracked in Iredell County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 28166 | Troutman | 82 | B | 4 (1 health) | $302K |
| 2 | 28115 | Mooresville | 76 | B | 6 | $331K |
| 3 | 28117 | Mooresville | 76 | B | 6 | $567K |
| 4 | 28625 | Statesville | 73 | B | 6 (2 health) | $216K |
| 5 | 28687 | Statesville | 73 | B | 6 (2 health) | — |
| 6 | 28677 | Statesville | 68 | C | 6 (2 health) | $207K |
| 7 | 27014 | Cooleemee | 53 | D | 0 | $139K |
| 8 | 28010 | Barium Springs | 53 | D | 0 | — |
| 9 | 28123 | Mount Mourne | 53 | D | 0 | — |
Recommended Buyer Guides for Iredell County
Filtered against federal data, fitted to local risks.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Iredell County, North Carolina
Overview
Iredell County in North Carolina covers 9 ZIP codes with an average Home Safety Score of C (67/100).
6 of 9 ZIP codes have recorded EPA violations. 7 health-based violations have been documented.
← Back to North Carolina 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.