WaterVerge

Is Rison, AR Tap Water Safe to Drink?

Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

11K residents served 3 water systems PWSID: AR0000107
Overall Score
87.8 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#139 of 345 in Arkansas Top 24% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.8/100
waterverge.com
A- 87.8/100

Rison, AR — Water Quality Report

Rison's drinking water received a grade of A- (87.8 out of 100), indicating good water quality. The city's 3 water systems serve approximately 10,774 residents using groundwater.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 29 violations on record, including 9 health-based violations. 6 remain unresolved.

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

What to know about Rison's water

Rison ranks #139 out of 345 cities in Arkansas for water quality, placing it mid-range in the state.

Rison 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
87.8 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Rison, AR water safe to drink?

Concerns Identified

Rison's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 10,774 residents using groundwater (wells).

6
Active Violations
1.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
6 events
Disaster History

Recent water quality updates for Rison

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Rison's water quality assessment. Grade: A- (87.8/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence 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: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 25.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Rison's water system has 29 total violations on record, including 9 health-based violations. 6 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jun 2020 Lead and Copper Rule Open
Jul 2018 Consumer Confidence Rule Open
Sep 2007 Coliform (TCR) Resolved
Aug 2003 Coliform (TCR) Resolved

Flood & environmental risk

Cleveland County has experienced 6 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE LAURA
Hurricane FEMA DR-3541
SEVERE STORMS AND FLOODING ASSOCIATED WITH HURRICANE GUSTAV
Hurricane FEMA DR-1793
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3215

Where does Rison's water come from?

Rison's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 10,774 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Rison residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Rison'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

Rison'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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
25.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Strontium
Inorganic
Detected
410.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 27% of limit
DetectedUCMR 3 Data
Lithium
Inorganic
Detected
25.0 µg/L
State screening level: 60 µg/L · 42% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

29
Total violations
9
Health-based
6
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

29 Total
6 Active
9 Health-based
23 Resolved
Violations by category
Total Coliform Rule
23
Consumer Confidence Rule
2
Lead and Copper Rule
1
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jun 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Sep 2007 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2007
Aug 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2003
Jul 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2003
Dec 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2002
Nov 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2002
Jul 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2002
Nov 2001 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2001
Feb 1999 Resolved
Coliform (TCR)
Other Violation Resolved Feb 1999
Feb 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 1999
May 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 1997
May 1997 Resolved
Coliform (TCR)
Other Violation Resolved May 1997
Sep 1994 Resolved
Coliform (TCR)
Other Violation Resolved Sep 1994
Sep 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1994
Aug 1994 Resolved
Coliform (TCR)
Other Violation Resolved Aug 1994
Showing 20 of 29 violations
Industrial pollution

Top industrial polluters within 10 miles of Rison

Industrial polluters nearby

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

Total reported releases to surface water: 55 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
STELLA-JONES CORP
Wood Products · STELLA-JONES US HOLDING CORP
RISON, AR71665
Pentachlorophenol551.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D4 — exceptional drought

Cleveland County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 16.9% 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)
11.6%
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

6
Declared disasters
Aug 2020
Most recent
Hurricane
Most common type

Cleveland County has experienced 6 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2020
HURRICANE LAURA
Hurricane FEMA #3541
Sep 2008
SEVERE STORMS AND FLOODING ASSOCIATED WITH HURRICANE GUSTAV
Hurricane FEMA #1793
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3215
Apr 1997
FLOODING, SEVERE STORMS
Flood FEMA #1176
May 1991
SEVERE STORMS & FLOODING
Flood FEMA #907
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #375

Recommended water filters

Based on contaminants detected in Rison's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 25.000 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
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 1992 (1.0 ppb) to 2025 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
10,774
Water Systems
3
Water Source

Where Rison's water comes from

Groundwater

Rison'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 10,774 people through 3 water systems.

Infrastructure

Water systems serving Rison

System Name PWSID Population Source
HWY 63 WATER ASSOCIATION AR0000107 7,187 GW
CLEVELAND CO RURAL WATER USERS ASSOC AR0000069 2,243 GW
RISON WATERWORKS AR0000106 1,344 GW
Regional Comparison

How Rison compares

Full Arkansas rankings →

Rison's score of 87.8/100 is above the average of 75/100 among major Arkansas cities. It outscores 7 of 10 nearby cities.

Rison (this city)
87.8
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Rison, AR

Economic Profile
$23,056
Median Income
$105,200
Median Home Value
$483/mo
Median Rent
1.4%
Unemployment
Community
51.2
Median Age
108
People / sq mi
15.5%
College Educated
55.8%
Homeownership
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Frequently asked questions

Is Rison, AR tap water safe to drink?

Rison's water quality earned a grade of A- (87.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #139 out of 345 cities tested in Arkansas.

What contaminants are in Rison's water?

Lead was measured at 1.0 ppb (90th percentile). 1 PFAS compound was detected. 29 violations are on record.

How is Rison'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 Rison?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Rison's water come from?

Rison's water is sourced from Groundwater. The city has 3 water systems serving approximately 10,774 residents.

What health violations has Rison's water system had?

Rison has 9 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Rison's groundwater at risk of contamination?

Rison 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 Rison's water compare to other cities?

Rison ranks #139 out of 345 cities in Arkansas (better than 60% of state cities) and #3807 out of 15744 cities nationally (76th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.