Greensboro, NC: 58 Health Violations — 90/100 (2026)
29 ZIP codes · 14 water systems · Updated 2026-06-03
In current NC EPA data, Greensboro's tap water sits in the high-safety tier.
How Greensboro Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Greensboro, NC
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Greensboro's 29 ZIP codes.
Key Facts for Greensboro Residents
- Your city's water systems recorded 1073 violations in the past 5 years.
- Average lead level: 0.002 mg/L.
- Estimated remediation: $1,086 per household.
- CDC health risk index: 12.94 — above typical levels.
Greensboro's Water Providers
Multiple utilities divide Greensboro, NC's water service — 3 leading providers among 14 on the federal register.
Overview
We track water quality and home safety data for 29 ZIP codes in Greensboro, North Carolina, covering 14 community water systems serving approximately 332,896 people.
29 of 29 ZIP codes (100%) have recorded EPA violations. 58 health-based violations documented.
Home Safety Score
Average Home Safety Score for Greensboro: A (90/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Greensboro water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0020 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 29 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 240 | 29 |
| Consumer Confidence Report Rule | Reporting | 210 | 29 |
| Revised Total Coliform Rule | Microbiological | 210 | 29 |
| Lead and Copper Rule | Treatment Technique | 150 | 29 |
| Stage 2 DBP Rule | Treatment Technique | 120 | 29 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 27395 | A | 37 | 2 | City of Greensboro, |
| 27401 | A | 37 | 2 | City of Greensboro, |
| 27402 | A | 37 | 2 | City of Greensboro, |
| 27403 | A | 37 | 2 | City of Greensboro, |
| 27404 | A | 37 | 2 | City of Greensboro, |
| 27405 | A | 37 | 2 | City of Greensboro, |
| 27406 | A | 37 | 2 | City of Greensboro, |
| 27407 | B | 37 | 2 | City of Greensboro, |
| 27408 | B | 37 | 2 | City of Greensboro, |
| 27409 | A | 37 | 2 | City of Greensboro, |
All ZIP Codes in Greensboro
- 27395 [A] — 37 violations ⚠
- 27401 [A] — 37 violations ⚠
- 27402 [A] — 37 violations ⚠
- 27403 [A] — 37 violations ⚠
- 27404 [A] — 37 violations ⚠
- 27405 [A] — 37 violations ⚠
- 27406 [A] — 37 violations ⚠
- 27407 [B] — 37 violations ⚠
- 27408 [B] — 37 violations ⚠
- 27409 [A] — 37 violations ⚠
- 27410 [A] — 37 violations ⚠
- 27411 [A] — 37 violations ⚠
- 27412 [A] — 37 violations ⚠
- 27413 [A] — 37 violations ⚠
- 27415 [A] — 37 violations ⚠
- 27416 [A] — 37 violations ⚠
- 27417 [A] — 37 violations ⚠
- 27419 [A] — 37 violations ⚠
- 27420 [A] — 37 violations ⚠
- 27425 [A] — 37 violations ⚠
- 27427 [A] — 37 violations ⚠
- 27429 [A] — 37 violations ⚠
- 27435 [A] — 37 violations ⚠
- 27438 [A] — 37 violations ⚠
- 27455 [A] — 37 violations ⚠
- 27495 [A] — 37 violations ⚠
- 27497 [A] — 37 violations ⚠
- 27498 [A] — 37 violations ⚠
- 27499 [A] — 37 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Greensboro Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Greensboro's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Greensboro
In Greensboro, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.
Remediation costs in Greensboro are relatively low compared to home values. The $674–$1,734 estimated range is a small fraction of median property value. Home values are 14% below the North Carolina average.
Greensboro: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Greensboro appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Greensboro: Flood History & Water Damage Risk
Flood claims in Greensboro number 567 under the NFIP, and 48% of ZIP codes fall within FEMA-designated zones — together reflecting a community where flooding is a recurring, significant feature of the local risk environment with direct implications for periodic water supply safety.
Greensboro has a significant flood history with 567 FEMA flood insurance claims on record, averaging $10,238 per claim. With 48% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,086</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Greensboro, NC