WaterVerge

Is Mount Pleasant, 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 ↓

1K residents served 1 water system PWSID: AR0000258
Overall Score
89 / 100
Violations
1 active
Last Updated
May 2026
Source
Ground water under influence
#112 of 345 in Arkansas Top 20% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89/100
waterverge.com
A- 89/100

Mount Pleasant, AR — Water Quality Report

Mount Pleasant's drinking water received a grade of A- (89 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,338 residents using ground water under influence.

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 19 violations on record, including 3 health-based violations. 1 remains unresolved.

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

What to know about Mount Pleasant's water

Mount Pleasant ranks #112 out of 345 cities in Arkansas for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
89 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
17/20
B
Lead at 4.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

Is Mount Pleasant, AR water safe to drink?

Use Caution

Mount Pleasant's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,338 residents using groundwater (wells).

1
Active Violations
4.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Mount Pleasant

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Mount Pleasant's water quality assessment. Grade: A- (89/100).

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

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

Disaster
HURRICANE LAURA

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

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Mount Pleasant's water system has 19 total violations on record, including 3 health-based violations. 1 remain unresolved.

MRTTOther
Most recent violations:
Aug 2002 Surface Water Treatment Rule Resolved
May 1999 Surface Water Treatment Rule Resolved
Apr 1999 Surface Water Treatment Rule Resolved
Feb 1999 Surface Water Treatment Rule Resolved
Feb 1999 Surface Water Treatment Rule Resolved

Flood & environmental risk

Izard County has experienced 10 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 Mount Pleasant's water come from?

Mount Pleasant's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,338 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Mount Pleasant 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.

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

Mount Pleasant'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

19
Total violations
3
Health-based
1
Active / unresolved
Aug 2002
Most recent violation
Compliance Record

Violations & advisories

19 Total
1 Active
3 Health-based
18 Resolved
Violations by category
Surface Water Treatment Rule
16
Total Coliform Rule
2
Active
Compliance Violation
Monitoring 0
Aug 2002 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2002
May 1999 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 1999
Apr 1999 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 1999
Feb 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 1999
Feb 1999 Resolved
Surface Water Treatment Rule
Other Violation Resolved Feb 1999
Feb 1999 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1999
Nov 1997 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Nov 1997
Nov 1997 Resolved
Surface Water Treatment Rule
Other Violation Resolved Nov 1997
Aug 1997 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Aug 1997
Aug 1997 Resolved
Surface Water Treatment Rule
Other Violation Resolved Aug 1997
Aug 1995 Resolved
Surface Water Treatment Rule
Other Violation Resolved Aug 1995
Aug 1995 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1995
Jul 1995 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1995
Jul 1995 Resolved
Surface Water Treatment Rule
Other Violation Resolved Jul 1995
May 1995 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 1995
May 1995 Resolved
Surface Water Treatment Rule
Other Violation Resolved May 1995
Apr 1990 Resolved
Coliform (Pre-TCR)
Other Violation Resolved Apr 1990
Feb 1990 Resolved
Coliform (Pre-TCR)
Other Violation Resolved Feb 1990
Environmental Risk

Drought conditions

D4 — exceptional drought

Izard County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 100.0% 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)
6.5%
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

10
Declared disasters
May 2025
Most recent
Flood
Most common type

Izard County has experienced 10 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
May 1990
SEVERE STORMS & FLOODING
Flood FEMA #865

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 3.0 ppb from 1993 (1.0 ppb) to 2002 (4.0 ppb).
Contaminant Rankings

See how Mount Pleasant compares by contaminant

Explore where Mount Pleasant ranks among all Arkansas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Local Government
Population Served
1,338
Water Systems
1
Water Source

Where Mount Pleasant's water comes from

Ground Water Under Influence

Mount Pleasant'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 1,338 people through 1 water system.

Infrastructure

Water systems serving Mount Pleasant

System Name PWSID Population Source
MT PLEASANT WATERWORKS AR0000258 1,338 GU
Regional Comparison

How Mount Pleasant compares

Full Arkansas rankings →

Mount Pleasant's score of 89/100 is above the average of 75/100 among major Arkansas cities. It outscores 8 of 10 nearby cities.

Mount Pleasant (this city)
89
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Mount Pleasant, AR

Economic Profile
$33,173
Median Income
$350/mo
Median Rent
2.9%
Unemployment
Community
54.3
Median Age
31
People / sq mi
8%
College Educated
68.6%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Mount Pleasant, AR tap water safe to drink?

Mount Pleasant's water quality earned a grade of A- (89/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #112 out of 345 cities tested in Arkansas.

What contaminants are in Mount Pleasant's water?

Lead was measured at 4.0 ppb (90th percentile). 19 violations are on record.

How is Mount Pleasant'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 Mount Pleasant?

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

Where does Mount Pleasant's water come from?

Mount Pleasant's water is sourced from Ground water under influence. The city has 1 water system serving approximately 1,338 residents.

What health violations has Mount Pleasant's water system had?

Mount Pleasant has 3 health-based violations on record. The most recent violation was recorded in August 2002. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Mount Pleasant's groundwater at risk of contamination?

Mount Pleasant 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 Mount Pleasant's water compare to other cities?

Mount Pleasant ranks #112 out of 345 cities in Arkansas (better than 68% of state cities) and #3121 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 Mount Pleasant's small water system affect quality?

Mount Pleasant's system serves approximately 1,338 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.