WaterVerge

Is Cape Carteret, NC Tap Water Safe to Drink?

Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: NC0416130
Overall Score
88.9 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#31 of 417 in North Carolina Top 20% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.9/100
waterverge.com
A- 88.9/100

Cape Carteret, NC — Water Quality Report

Cape Carteret's drinking water received a grade of A- (88.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,600 residents using groundwater.

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 19 violations on record, including 5 health-based violations. 6 remain unresolved.

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

What to know about Cape Carteret's water

Cape Carteret ranks #31 out of 417 cities in North Carolina for water quality, placing it one of the best in the state.

Cape Carteret relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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

Quality Breakdown

Water quality score

See methodology →
88.9 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.9/45
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
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Cape Carteret, NC water safe to drink?

Concerns Identified

Cape Carteret's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,600 residents using groundwater (wells).

6
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Cape Carteret

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cape Carteret's water quality assessment. Grade: A- (88.9/100).

Disaster
HURRICANE IAN

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE ISAIAS

Federal disaster declaration (FEMA DR-4568). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: TTHM.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Cape Carteret's water supply.

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

Well within EPA limits.

Violation history

Cape Carteret's water system has 19 total violations on record, including 5 health-based violations. 6 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMCL
Most recent violations:
Jul 2021 Consumer Confidence Rule Open
Sep 2020 TTHM Resolved
Jul 2020 Consumer Confidence Rule Open
Jul 2019 Consumer Confidence Rule Open
Jul 2012 Public Notice Open

Flood & environmental risk

Carteret 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-4568
HURRICANE ISAIAS
Hurricane FEMA DR-3534

Where does Cape Carteret's water come from?

Cape Carteret's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,600 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Cape Carteret residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Cape Carteret's water.

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

Cape Carteret'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

19
Total violations
5
Health-based
6
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

19 Total
6 Active
5 Health-based
13 Resolved
1 SNC
Violations by category
Consumer Confidence Rule
4
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Total Coliform Rule
4
Radionuclides and Revised Rad Rule
4
Public Notice Rule and Revised PN Rule
2
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2012 Active
Public Notice
Other Violation 0
Mar 2008 Active
Public Notice
Other Violation 0
Oct 2005 Active
Consumer Confidence Rule
Other Violation 0
Sep 2020 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2021
Jul 2012 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2012
Apr 2012 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2012
Apr 2012 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2012
Jan 2012 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2012
Dec 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Oct 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2008
Nov 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2006
Nov 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2003
Feb 1987 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1991
Feb 1987 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1991
Sep 1986 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 1987
Sep 1986 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 1987
Industrial pollution

Top industrial polluters within 10 miles of Cape Carteret

Industrial polluters nearby

Reported releases to surface water by facilities near Cape Carteret, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
S&W HUBERT PLANT
Nonmetallic Mineral Product · TITAN AMERICA LLC
HUBERT, NC28539
8.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Carteret 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)
13.1%
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

Carteret 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
Oct 2020
HURRICANE ISAIAS
Hurricane FEMA #4568
Aug 2020
HURRICANE ISAIAS
Hurricane FEMA #3534
Oct 2019
HURRICANE DORIAN
Hurricane FEMA #4465
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3423
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 trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 2015 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
1,600
Water Systems
1
Water Source

Where Cape Carteret's water comes from

Groundwater

Cape Carteret's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by private ownership and serves approximately 1,600 people through 1 water system.

Infrastructure

Water systems serving Cape Carteret

System Name PWSID Population Source
GOOSE CREEK RESORT NC0416130 1,600 GW
Regional Comparison

How Cape Carteret compares

Full North Carolina rankings →

Cape Carteret's score of 88.9/100 is above the average of 43/100 among major North Carolina cities. It outscores 10 of 10 nearby cities.

Cape Carteret (this city)
88.9
Charlotte
36.5
Raleigh
30.7
Durham
36.6
Greensboro
33.5
North Carolina avg
43
City Profile

About Cape Carteret, NC

Wikipedia →

Emerald Isle is a town in Carteret County, North Carolina, United States. It is part of the Crystal Coast and is located entirely on Bogue Banks. The population was 3,847 at the 2020 census.

Economic Profile
$76,750
Median Income
$325,058
Median Home Value
$1,709/mo
Median Rent
1.8%
Unemployment
Community
45.2
Median Age
406
People / sq mi
32.3%
College Educated
79.9%
Homeownership
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Frequently asked questions

Is Cape Carteret, NC tap water safe to drink?

Cape Carteret's water quality earned a grade of A- (88.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #31 out of 417 cities tested in North Carolina.

What contaminants are in Cape Carteret's water?

Lead was measured at 0.0 ppb (90th percentile). 19 violations are on record.

How is Cape Carteret'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 Cape Carteret?

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

Where does Cape Carteret's water come from?

Cape Carteret's water is sourced from Groundwater. The city has 1 water system serving approximately 1,600 residents.

What health violations has Cape Carteret's water system had?

Cape Carteret has 5 health-based violations on record. The most recent violation was recorded in July 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Cape Carteret's groundwater at risk of contamination?

Cape Carteret 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 19 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 Cape Carteret's water compare to other cities?

Cape Carteret ranks #31 out of 417 cities in North Carolina (better than 93% of state cities) and #3172 out of 15744 cities nationally (80th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Cape Carteret's small water system affect quality?

Cape Carteret's system serves approximately 1,600 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 19 violations on record.