WaterVerge

Is Nags Head, NC Tap Water Safe to Drink?

Graded A+ with no contaminants above EPA limits. Here's everything we tested and how Nags Head ranks. What to do next ↓

3K residents served 1 water system PWSID: NC0428010
Overall Score
96.4 / 100
Violations
None active
Last Updated
May 2026
Source
Purchased ground water
#2 of 417 in North Carolina Top 1% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A+GRADE
Water Quality Grade
96.4/100
waterverge.com
A+ 96.4/100

Nags Head, NC — Water Quality Report

Nags Head's drinking water received a grade of A+ (96.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 3,125 residents using purchased ground water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 13 violations on record, including 0 health-based violations. All violations have been resolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Nags Head's water

Nags Head ranks #2 out of 417 cities in North Carolina for water quality, placing it one of the best in the state.

Nags Head purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Nags Head may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
96.4 out of 100 Grade A+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Nags Head, NC water safe to drink?

Generally Safe

Based on EPA testing data, Nags Head's tap water is generally safe to drink. The water system earned a grade of A+ (96.4/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 3,125 residents using groundwater (wells).

None
Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Nags Head

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Nags Head's water quality assessment. Grade: A+ (96.4/100).

Disaster
HURRICANE IAN

Federal disaster declaration (FEMA DR-3586). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE ISAIAS

Federal disaster declaration (FEMA DR-3534). Hurricane event — may have impacted local water infrastructure.

Violation
12 drinking water violations recorded

Contaminants: CYANIDE, Chromium, Cadmium.

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Nags Head's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Nags Head's water system has 13 total violations on record, including 0 health-based violations. All violations have been resolved.

MR
Most recent violations:
Jan 2004 CYANIDE Resolved
Jan 2004 Chromium Resolved
Jan 2004 Cadmium Resolved
Jan 2004 Barium Resolved
Jan 2004 Arsenic Resolved

Flood & environmental risk

Dare County has experienced 10 federally declared disasters since 2011. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE IAN
Hurricane FEMA DR-3586
HURRICANE ISAIAS
Hurricane FEMA DR-3534
HURRICANE DORIAN
Hurricane FEMA DR-4465

Where does Nags Head's water come from?

Nags Head's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,125 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Nags Head residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Nags Head's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

13
Total violations
0
Health-based
0
Active / unresolved
Jan 2004
Most recent violation
Compliance Record

Violations & advisories

13 Total
0 Active
0 Health-based
13 Resolved
Violations by category
Inorganic Chemicals
11
Arsenic Rule
1
Surface Water Treatment Rule
1
Jan 2004 Resolved
CYANIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Thallium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Beryllium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Nickel
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Nov 1993 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1993
Environmental Risk

Drought conditions

D2 — severe drought

Dare County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

6
Weeks at D2+ (current streak)
14.2%
Months in D2+ (last 30y)
6
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Oct 2022
Most recent
Hurricane
Most common type

Dare County has experienced 10 federally declared disasters since 2011. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2022
HURRICANE IAN
Hurricane FEMA #3586
Aug 2020
HURRICANE ISAIAS
Hurricane FEMA #3534
Oct 2019
HURRICANE DORIAN
Hurricane FEMA #4465
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3423
Jan 2019
TROPICAL STORM MICHAEL
Hurricane FEMA #4412
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #4393

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 0.0 ppb (2025)

EPA action level: 15 ppb

Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
3,125
Water Systems
1
Water Source

Where Nags Head's water comes from

Purchased Groundwater

Nags Head purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Nags Head's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 3,125 people through 1 water system.

Infrastructure

Water systems serving Nags Head

System Name PWSID Population Source
NAGS HEAD, TOWN OF NC0428010 3,125 GWP
Regional Comparison

How Nags Head compares

Full North Carolina rankings →

Nags Head's score of 96.4/100 is above the average of 43/100 among major North Carolina cities. It outscores 10 of 10 nearby cities.

Nags Head (this city)
96.4
Charlotte
36.5
Raleigh
30.7
Durham
36.6
Greensboro
33.5
North Carolina avg
43
City Profile

About Nags Head, NC

Economic Profile
$87,560
Median Income
$426,028
Median Home Value
$920/mo
Median Rent
1.8%
Unemployment
Community
59.8
Median Age
184
People / sq mi
52.7%
College Educated
80.7%
Homeownership
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Frequently asked questions

Is Nags Head, NC tap water safe to drink?

Nags Head's water quality earned a grade of A+ (96.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #2 out of 417 cities tested in North Carolina.

What contaminants are in Nags Head's water?

Lead was measured at 0.0 ppb (90th percentile). 13 violations are on record.

How is Nags Head's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Nags Head?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Nags Head's water come from?

Nags Head's water is sourced from Purchased ground water. The city has 1 water system serving approximately 3,125 residents.

Is Nags Head's groundwater at risk of contamination?

Nags Head uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 13 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Nags Head's water compare to other cities?

Nags Head ranks #2 out of 417 cities in North Carolina (better than 100% of state cities) and #185 out of 15744 cities nationally (99th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Nags Head's small water system affect quality?

Nags Head's system serves approximately 3,125 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 13 violations on record.