Grandy, NC Water Safety: 60/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Grandy shows moderate tap water quality for NC — some areas carry documented EPA violations while others meet standards without issues.
How Grandy Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Grandy Water
- Homes built before 1986: 36% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 12.62 — above typical levels.
Who Supplies Your Water in Grandy
Residential water service in Grandy, NC is divided among 2 separate utilities, drawn from 2 systems on file with federal regulators.
Overview
We track water quality and home safety data for 1 ZIP code in Grandy, North Carolina (population ~2,422), covering 2 community water systems serving approximately 32,339 people region-wide.
No EPA violations recorded across any ZIP codes in Grandy — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Grandy: C (60/100)
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
Grandy water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Grandy
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 27939 | C | SOUTHERN OUTER BANKS WTR SYST | 8,209 |
All ZIP Codes in Grandy
- 27939 [C]
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.
Health Outcomes in Grandy
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
Housing & Infrastructure in Grandy
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Development in Grandy unfolded across multiple decades, and the median build year of 1996 reflects a housing inventory where eras of construction are genuinely mixed — including portions that predate the federal prohibition on lead solder in plumbing.
Most homes in Grandy were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Grandy Homeowners
Within the Grandy market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Grandy are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 29% above the North Carolina average.
Lead Exposure Risk for Children in Grandy
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.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 36% of Grandy stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Grandy
Grandy's flood exposure sits in the moderate range: 129 NFIP claims on record and 100% of ZIP codes within FEMA-designated flood zones. Residents with private wells or older infrastructure have reasonable grounds to factor flood timing into their water quality awareness.
Grandy has a moderate flood history with 129 FEMA claims averaging $11,957 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$1,200</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.
What You Can Do in Grandy
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 36% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Grandy, NC