WaterVerge

Is Ferguson, NC Tap Water Safe to Drink?

Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

685 residents served 1 water system PWSID: NC3097018
Overall Score
88.5 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#34 of 417 in North Carolina Top 22% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.5/100
waterverge.com
A- 88.5/100

Ferguson, NC — Water Quality Report

Ferguson's drinking water received a grade of A- (88.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 685 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 5 violations on record, including 0 health-based violations. 3 remain unresolved.

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

What to know about Ferguson's water

Ferguson ranks #34 out of 417 cities in North Carolina for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
88.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.5/45
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
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Ferguson, NC water safe to drink?

Concerns Identified

Ferguson's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 685 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Ferguson

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ferguson's water quality assessment. Grade: A- (88.5/100).

Disaster
HURRICANE IAN

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

Disaster
REMNANTS OF TROPICAL STORM FRED

Federal disaster declaration (FEMA DR-4617). Hurricane event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Public Notice, Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Ferguson's water system has 5 total violations on record, including 0 health-based violations. 3 remain unresolved.

OtherMR
Most recent violations:
Oct 2018 Public Notice Open
Oct 2018 Lead and Copper Rule Open
Jul 2017 Consumer Confidence Rule Open
Jan 2017 TTHM Resolved
Jan 2017 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Watauga County has experienced 10 federally declared disasters since 2004. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Watauga River.

HURRICANE IAN
Hurricane FEMA DR-3586
REMNANTS OF TROPICAL STORM FRED
Hurricane FEMA DR-4617
HURRICANE ISAIAS
Hurricane FEMA DR-3534

Where does Ferguson's water come from?

Ferguson's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 685 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Watauga River (river).

What Ferguson residents can do

Install a water filter

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

Ferguson'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

5
Total violations
0
Health-based
3
Active / unresolved
Oct 2018
Most recent violation
Compliance Record

Violations & advisories

5 Total
3 Active
0 Health-based
2 Resolved
2 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Public Notice Rule and Revised PN Rule
1
Lead and Copper Rule
1
Consumer Confidence Rule
1
Oct 2018 Active
Public Notice
Other Violation 0
Oct 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jan 2017 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2017
Jan 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2017
Environmental Risk

Drought conditions

D3 — extreme drought

Wilkes 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.

14
Weeks at D2+ (current streak)
22.9%
Months in D2+ (last 30y)
14
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

Watauga County has experienced 10 federally declared disasters since 2004. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2022
HURRICANE IAN
Hurricane FEMA #3586
Sep 2021
REMNANTS OF TROPICAL STORM FRED
Hurricane FEMA #4617
Aug 2020
HURRICANE ISAIAS
Hurricane FEMA #3534
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3423
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #3401
Oct 2013
SEVERE STORMS, FLOODING, LANDSLIDES, MUDSLIDES
Flood FEMA #4153

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 2016 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
685
Water Systems
1
Water Source

Where Ferguson's water comes from

Groundwater

Ferguson'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 685 people through 1 water system.

Local Hydrology

Water bodies near Ferguson

Ferguson is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Watauga River
river
Infrastructure

Water systems serving Ferguson

System Name PWSID Population Source
BLUE RIDGE MTN CLUB NC3097018 685 GW
Regional Comparison

How Ferguson compares

Full North Carolina rankings →

Ferguson's score of 88.5/100 is above the average of 43/100 among major North Carolina cities. It outscores 10 of 10 nearby cities.

Ferguson (this city)
88.5
Charlotte
36.5
Raleigh
30.7
Durham
36.6
Greensboro
33.5
North Carolina avg
43
City Profile

About Ferguson, NC

Wikipedia →

Boone is a town in and the county seat of Watauga County, North Carolina, United States. Located in the Blue Ridge Mountains of western North Carolina, Boone is the home of Appalachian State University and the headquarters of the disaster and medical relief organization Samaritan's Purse. The population was 19,092 at the 2020 census.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Ferguson, NC tap water safe to drink?

Ferguson's water quality earned a grade of A- (88.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #34 out of 417 cities tested in North Carolina.

What contaminants are in Ferguson's water?

Lead was measured at 0.0 ppb (90th percentile). 5 violations are on record.

How is Ferguson'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 Ferguson?

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

Where does Ferguson's water come from?

Ferguson's water is sourced from Groundwater. The city has 1 water system serving approximately 685 residents.

Is Ferguson's groundwater at risk of contamination?

Ferguson 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 5 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 Ferguson's water compare to other cities?

Ferguson ranks #34 out of 417 cities in North Carolina (better than 92% of state cities) and #3444 out of 15744 cities nationally (78th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ferguson's small water system affect quality?

Ferguson's system serves approximately 685 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 5 violations on record.