WaterVerge

Is Cave City, AR Tap Water Safe to Drink?

Graded B+, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

6K residents served 2 water systems PWSID: AR0000526
Overall Score
84.2 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#188 of 345 in Arkansas Top 38% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.2/100
waterverge.com
B+ 84.2/100

Cave City, AR — Water Quality Report

Cave City's drinking water received a grade of B+ (84.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 6,060 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 29 violations on record, including 1 health-based violation. 11 remain unresolved.

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

What to know about Cave City's water

Cave City ranks #188 out of 345 cities in Arkansas for water quality, placing it below average in the state.

Cave City 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.

Quality Breakdown

Water quality score

See methodology →
84.2 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.2/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
17/20
B
Lead at 4.0 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 Cave City, AR water safe to drink?

Concerns Identified

Cave City's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 6,060 residents using groundwater (wells).

11
Active Violations
4.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Cave City

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cave City's water quality assessment. Grade: B+ (84.2/100).

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4873). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE LAURA

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Cave City's water system has 29 total violations on record, including 1 health-based violation. 11 remain unresolved. 1 violation was issued in the last 5 years.

OtherRPTMRMCL
Most recent violations:
Jul 2021 Consumer Confidence Rule Open
Oct 2020 Revised Total Coliform Rule Open
Jul 2020 Consumer Confidence Rule Open
Jun 2020 Lead and Copper Rule Open
Jan 2020 Arsenic Resolved

Flood & environmental risk

Sharp County has experienced 7 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.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4873
HURRICANE LAURA
Hurricane FEMA DR-3541
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3215

Where does Cave City's water come from?

Cave City's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 6,060 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Cave City residents can do

Install a water filter

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

Cave City'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

29
Total violations
1
Health-based
11
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

29 Total
11 Active
1 Health-based
18 Resolved
Violations by category
Total Coliform Rule
10
Consumer Confidence Rule
8
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Revised Total Coliform Rule
2
Lead and Copper Rule
1
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2020 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Jun 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jun 2017 Active
Public Notice
Other Violation 0
Apr 2016 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2020
Mar 2016 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Aug 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2015
Feb 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2011
Jul 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2009
Sep 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2007
Apr 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2007
Apr 2004 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2004
Jan 2004 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2004
Showing 20 of 29 violations
Environmental Risk

Drought conditions

D4 — exceptional drought

Independence County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 92.1% 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)
12.8%
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

7
Declared disasters
May 2025
Most recent
Flood
Most common type

Sharp County has experienced 7 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2025
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4873
Aug 2020
HURRICANE LAURA
Hurricane FEMA #3541
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3215
Apr 1997
FLOODING, SEVERE STORMS
Flood FEMA #1176
May 1991
SEVERE STORMS & FLOODING
Flood FEMA #907
Jun 1975
HEAVY RAINS & FLOODING
Flood FEMA #471

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 decreased by 2.0 ppb from 1993 (3.0 ppb) to 2002 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
6,060
Water Systems
2
Water Source

Where Cave City's water comes from

Groundwater

Cave City'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 6,060 people through 2 water systems.

Infrastructure

Water systems serving Cave City

System Name PWSID Population Source
CAVE CITY WATERWORKS AR0000526 3,045 GW
GRANGE-CALAMINE WATER ASSOC AR0000759 3,015 GW
Regional Comparison

How Cave City compares

Full Arkansas rankings →

Cave City's score of 84.2/100 is above the average of 75/100 among major Arkansas cities. It outscores 7 of 10 nearby cities.

Cave City (this city)
84.2
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Cave City, AR

Economic Profile
$40,441
Median Income
$99,450
Median Home Value
$608/mo
Median Rent
4.3%
Unemployment
Community
35.7
Median Age
308
People / sq mi
9.4%
College Educated
52.2%
Homeownership
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Frequently asked questions

Is Cave City, AR tap water safe to drink?

Cave City's water quality earned a grade of B+ (84.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #188 out of 345 cities tested in Arkansas.

What contaminants are in Cave City's water?

Lead was measured at 4.0 ppb (90th percentile). 29 violations are on record.

How is Cave City'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 Cave City?

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

Where does Cave City's water come from?

Cave City's water is sourced from Groundwater. The city has 2 water systems serving approximately 6,060 residents.

What health violations has Cave City's water system had?

Cave City has 1 health-based violation 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. 11 violations remain unresolved.

Is Cave City's groundwater at risk of contamination?

Cave City 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 29 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 Cave City's water compare to other cities?

Cave City ranks #188 out of 345 cities in Arkansas (better than 46% of state cities) and #6031 out of 15744 cities nationally (62th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.