WaterVerge

Is Lake Waccamaw, NC Tap Water Safe to Drink?

Graded B, with 13 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: NC0424045
Overall Score
79.1 / 100
Violations
13 active
Last Updated
May 2026
Source
Groundwater
#162 of 417 in North Carolina Top 53% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
79.1/100
waterverge.com
B 79.1/100

Lake Waccamaw, NC — Water Quality Report

Lake Waccamaw's drinking water received a grade of B (79.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,572 residents using groundwater.

Lead levels were measured at 4.0 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 24 violations on record, including 4 health-based violations. 13 remain unresolved.

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

What to know about Lake Waccamaw's water

Lake Waccamaw ranks #162 out of 417 cities in North Carolina for water quality, placing it mid-range in the state.

Lake Waccamaw 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, Lake Waccamaw may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
79.1 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Lake Waccamaw, NC water safe to drink?

Concerns Identified

Lake Waccamaw's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,572 residents using groundwater (wells).

13
Active Violations
4.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Lake Waccamaw

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lake Waccamaw's water quality assessment. Grade: B (79.1/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
HURRICANE IAN

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

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper 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: Revised Total Coliform Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Lake Waccamaw's water supply.

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Lake Waccamaw's water system has 24 total violations on record, including 4 health-based violations. 13 remain unresolved. 3 violations were issued in the last 5 years.

TTRPTMRMONOtherMCL
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jan 2022 Lead and Copper Rule Open
Dec 2019 Revised Total Coliform Rule Resolved
Oct 2019 Chlorine Resolved

Flood & environmental risk

Columbus 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 Lake Waccamaw's water come from?

Lake Waccamaw's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,572 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Lake Waccamaw residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lake Waccamaw'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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Lake Waccamaw'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
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Compliance Record

Violation summary

24
Total violations
4
Health-based
13
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

24 Total
13 Active
4 Health-based
11 Resolved
2 SNC
Violations by category
Total Coliform Rule
5
Public Notice Rule and Revised PN Rule
4
Consumer Confidence Rule
4
Stage 1 Disinfectants and Disinfection Byproducts Rule
3
Lead and Copper Rule Revisions
2
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2009 Active
Public Notice
Other Violation 0
Oct 2009 Active
Public Notice
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Apr 2007 Active
Public Notice
Other Violation 0
Nov 2005 Active
Public Notice
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Dec 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2019
Oct 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jul 2014
Jan 2014 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jul 2014
Jun 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Jan 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2006
Showing 20 of 24 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Columbus County is currently in D3 (extreme 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.

11
Weeks at D2+ (current streak)
17.5%
Months in D2+ (last 30y)
11
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

Columbus 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) 4.0 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 increased by 4.0 ppb from 2016 (0.0 ppb) to 2025 (4.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,572
Water Systems
1
Water Source

Where Lake Waccamaw's water comes from

Groundwater

Lake Waccamaw'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 local government ownership and serves approximately 2,572 people through 1 water system.

Infrastructure

Water systems serving Lake Waccamaw

System Name PWSID Population Source
LAKE WACCAMAW, TOWN OF NC0424045 2,572 GW
Regional Comparison

How Lake Waccamaw compares

Full North Carolina rankings →

Lake Waccamaw's score of 79.1/100 is above the average of 43/100 among major North Carolina cities. It outscores 9 of 10 nearby cities.

Lake Waccamaw (this city)
79.1
Charlotte
36.5
Raleigh
30.7
Durham
36.6
Greensboro
33.5
North Carolina avg
43
City Profile

About Lake Waccamaw, NC

Wikipedia →

Lake Waccamaw is a town in Columbus County, North Carolina, United States. The population was 1,296 at the 2020 census. Originally home to Native Americans, Europeans later colonized Lake Waccamaw in the 18th century. The Europeans built naval stores and the discovery of turpentine oil led to the Wilmington-Manchester railroad track being created. A shingle company was later converted to a lumber company. In 1910, a group of townspeople created the Waccamaw Club.

Economic Profile
$74,297
Median Income
$296,814
Median Home Value
$1,042/mo
Median Rent
2.2%
Unemployment
Community
53.5
Median Age
203
People / sq mi
33.5%
College Educated
83.1%
Homeownership
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Frequently asked questions

Is Lake Waccamaw, NC tap water safe to drink?

Lake Waccamaw's water quality earned a grade of B (79.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #162 out of 417 cities tested in North Carolina.

What contaminants are in Lake Waccamaw's water?

Lead was measured at 4.0 ppb (90th percentile). 24 violations are on record.

How is Lake Waccamaw'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 Lake Waccamaw?

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

Where does Lake Waccamaw's water come from?

Lake Waccamaw's water is sourced from Groundwater. The city has 1 water system serving approximately 2,572 residents.

What health violations has Lake Waccamaw's water system had?

Lake Waccamaw has 4 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 13 violations remain unresolved.

Is Lake Waccamaw's groundwater at risk of contamination?

Lake Waccamaw 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 24 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 Lake Waccamaw's water compare to other cities?

Lake Waccamaw ranks #162 out of 417 cities in North Carolina (better than 61% of state cities) and #8376 out of 15744 cities nationally (47th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Lake Waccamaw's small water system affect quality?

Lake Waccamaw's system serves approximately 2,572 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 24 violations on record.