WaterVerge

Is Norfork, AR Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

918 residents served 1 water system PWSID: AR0000035
Overall Score
93.4 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#37 of 345 in Arkansas Top 6% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93.4/100
waterverge.com
A 93.4/100

Norfork, AR — Water Quality Report

Norfork's drinking water received a grade of A (93.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 918 residents using groundwater.

Lead levels were measured at 2.0 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 7 violations on record, including 0 health-based violations. 1 remains unresolved.

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

What to know about Norfork's water

Norfork ranks #37 out of 345 cities in Arkansas for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
93.4 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
19/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Norfork, AR water safe to drink?

Use Caution

Norfork's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 918 residents using groundwater (wells).

1
Active Violations
2.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Norfork

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Norfork's water quality assessment. Grade: A (93.4/100).

Disaster
HURRICANE LAURA

Federal disaster declaration (FEMA DR-3541). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3215). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
2 drinking water violations recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Norfork's water system has 7 total violations on record, including 0 health-based violations. 1 remain unresolved.

MROther
Most recent violations:
Sep 2016 Lead and Copper Rule Open
Aug 1999 Coliform (TCR) Resolved
Jul 1995 Coliform (TCR) Resolved
Jul 1995 Coliform (TCR) Resolved
Jun 1994 Coliform (TCR) Resolved

Flood & environmental risk

Baxter County has experienced 4 federally declared disasters since 1969. 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 White River Near Norfork, North Fork Riv Us Of Dry Ck Bl Norfork Dam, White River At Calico Rock.

HURRICANE LAURA
Hurricane FEMA DR-3541
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3215
SEVERE STORMS & FLOODING
Flood FEMA DR-321

Where does Norfork's water come from?

Norfork's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 918 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include White River Near Norfork (river), North Fork Riv Us Of Dry Ck Bl Norfork Dam (river), White River At Calico Rock (river).

What Norfork 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

Norfork'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

7
Total violations
0
Health-based
1
Active / unresolved
Sep 2016
Most recent violation
Compliance Record

Violations & advisories

7 Total
1 Active
0 Health-based
6 Resolved
Violations by category
Total Coliform Rule
6
Lead and Copper Rule
1
Sep 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Aug 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1999
Jul 1995 Resolved
Coliform (TCR)
Other Violation Resolved Jul 1995
Jul 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1995
Jun 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1994
Aug 1991 Resolved
Coliform (TCR)
Other Violation Resolved Aug 1991
Aug 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1991
Industrial pollution

Top industrial polluters within 10 miles of Norfork

Industrial polluters nearby

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

Total reported releases to surface water: 10 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
DANFOSS-MOUNTAIN HOME
Plastics and Rubber · DANFOSS POWER SOLUTIONS (US) CO
MOUNTAIN HOME, AR72653
Zinc compounds109.6 mi
SENTINEL INDUSTRIES INC.
Wood Products · NA
CALICO ROCK, AR72519
9.8 mi
AMERICAN STITCHCO INC DBA AMERICAN EPOXY SCIENTIFIC
Furniture · AMERICAN STITCHCO INC DBA AMERICAN EPOXY SCIENTIFIC
MOUNTAIN HOME, AR72653
9.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D4 — exceptional drought

Baxter County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 28.8% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
9.5%
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

4
Declared disasters
Aug 2020
Most recent
Hurricane
Most common type

Baxter County has experienced 4 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2020
HURRICANE LAURA
Hurricane FEMA #3541
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3215
Jan 1972
SEVERE STORMS & FLOODING
Flood FEMA #321
Feb 1969
SEVERE STORMS & FLOODING
Flood FEMA #254

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 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 1.0 ppb from 1992 (1.0 ppb) to 2004 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
918
Water Systems
1
Water Source

Where Norfork's water comes from

Groundwater

Norfork'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 918 people through 1 water system.

Local Hydrology

Water bodies near Norfork

Norfork is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

White River Near Norfork
river
North Fork Riv Us Of Dry Ck Bl Norfork Dam
river
White River At Calico Rock
river
Infrastructure

Water systems serving Norfork

System Name PWSID Population Source
NORFORK WATERWORKS AR0000035 918 GW
Regional Comparison

How Norfork compares

Full Arkansas rankings →

Norfork's score of 93.4/100 is above the average of 75/100 among major Arkansas cities. It outscores 9 of 10 nearby cities.

Norfork (this city)
93.4
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Norfork, AR

Economic Profile
$34,444
Median Income
$634/mo
Median Rent
1.4%
Unemployment
Community
36
Median Age
96
People / sq mi
25.2%
College Educated
64.6%
Homeownership
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Frequently asked questions

Is Norfork, AR tap water safe to drink?

Norfork's water quality earned a grade of A (93.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #37 out of 345 cities tested in Arkansas.

What contaminants are in Norfork's water?

Lead was measured at 2.0 ppb (90th percentile). 7 violations are on record.

How is Norfork'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 Norfork?

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

Where does Norfork's water come from?

Norfork's water is sourced from Groundwater. The city has 1 water system serving approximately 918 residents.

Is Norfork's groundwater at risk of contamination?

Norfork 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 7 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 Norfork's water compare to other cities?

Norfork ranks #37 out of 345 cities in Arkansas (better than 89% of state cities) and #859 out of 15744 cities nationally (95th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Norfork's small water system affect quality?

Norfork's system serves approximately 918 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 7 violations on record.