WaterVerge

Is Sheridan, AR 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 ↓

15K residents served 4 water systems PWSID: AR0000215
Overall Score
91.7 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#66 of 345 in Arkansas Top 10% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.7/100
waterverge.com
A 91.7/100

Sheridan, AR — Water Quality Report

Sheridan's drinking water received a grade of A (91.7 out of 100), indicating excellent water quality. The city's 4 water systems serve approximately 14,911 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 11 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 Sheridan's water

Sheridan ranks #66 out of 345 cities in Arkansas for water quality, placing it above average in the state.

Sheridan 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 →
91.7 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.4/45
A
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 Sheridan, AR water safe to drink?

Concerns Identified

Sheridan's drinking water has significant quality concerns based on EPA testing data. With a grade of A (91.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 14,911 residents using groundwater (wells).

3
Active Violations
1.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
4 events
Disaster History

Recent water quality updates for Sheridan

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 Sheridan's water quality assessment. Grade: A (91.7/100).

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.

Disaster
SEVERE STORMS AND FLOODING ASSOCIATED WITH HURRICANE GUSTAV

Federal disaster declaration (FEMA DR-1793). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Sheridan'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 27.3000 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

Sheridan's water system has 11 total violations on record, including 0 health-based violations. 3 remain unresolved. 1 violation was issued in the last 5 years.

MONOtherMR
Most recent violations:
Oct 2021 Revised Total Coliform Rule Resolved
Jul 2019 Consumer Confidence Rule Open
Jul 2002 Coliform (TCR) Resolved
Dec 1993 Coliform (TCR) Resolved
Dec 1993 Coliform (TCR) Resolved

Flood & environmental risk

Grant County has experienced 4 federally declared disasters since 1997. 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 Hurricane Creek Below Sheridan.

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 Sheridan's water come from?

Sheridan's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 14,911 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Hurricane Creek Below Sheridan (river).

What Sheridan residents can do

Install a water filter

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

Sheridan'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
27.3000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
27.3 µg/L
State screening level: 60 µg/L · 46% 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

11
Total violations
0
Health-based
3
Active / unresolved
Oct 2021
Most recent violation
Compliance Record

Violations & advisories

11 Total
3 Active
0 Health-based
8 Resolved
Violations by category
Total Coliform Rule
7
Revised Total Coliform Rule
1
Consumer Confidence Rule
1
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Oct 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2021
Jul 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2002
Dec 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Dec 1993 Resolved
Coliform (TCR)
Other Violation Resolved Dec 1993
Nov 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1992
Jun 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1991
Jun 1991 Resolved
Coliform (TCR)
Other Violation Resolved Jun 1991
Jan 1990 Resolved
Coliform (Pre-TCR)
Other Violation Resolved Jan 1990
Industrial pollution

Top industrial polluters within 10 miles of Sheridan

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CENTRIA SHERIDAN
Fabricated Metals · NUCOR CORP
SHERIDAN, AR72150
2.7 mi
ANTHONY HARDWOOD COMPOSITES
Wood Products · NA
SHERIDAN, AR72150
3.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Grant 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)
10.4%
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

Grant County has experienced 4 federally declared disasters since 1997. 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

Recommended water filters

Based on contaminants detected in Sheridan'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 27.300 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 increased by 6.0 ppb from 1993 (1.0 ppb) to 2025 (7.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
14,911
Water Systems
4
Water Source

Where Sheridan's water comes from

Groundwater

Sheridan'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 14,911 people through 4 water systems.

Local Hydrology

Water bodies near Sheridan

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

Hurricane Creek Below Sheridan
river
Infrastructure

Water systems serving Sheridan

System Name PWSID Population Source
SHERIDAN WATERWORKS AR0000215 4,605 GW
SOUTH SHERIDAN WATER ASSOC AR0000219 3,887 GW
CENTER GROVE WATER ASSOCIATION AR0000213 3,858 GW
LITTLE CREEK WATER ASSOCIATION AR0000214 2,561 GW
Regional Comparison

How Sheridan compares

Full Arkansas rankings →

Sheridan's score of 91.7/100 is above the average of 75/100 among major Arkansas cities. It outscores 9 of 10 nearby cities.

Sheridan (this city)
91.7
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Sheridan, AR

Economic Profile
$55,520
Median Income
$176,720
Median Home Value
$735/mo
Median Rent
3.9%
Unemployment
Community
38.4
Median Age
158
People / sq mi
22.9%
College Educated
61.9%
Homeownership
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Frequently asked questions

Is Sheridan, AR tap water safe to drink?

Sheridan's water quality earned a grade of A (91.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #66 out of 345 cities tested in Arkansas.

What contaminants are in Sheridan's water?

Lead was measured at 1.0 ppb (90th percentile). 1 PFAS compound was detected. 11 violations are on record.

How is Sheridan'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 Sheridan?

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

Where does Sheridan's water come from?

Sheridan's water is sourced from Groundwater. The city has 4 water systems serving approximately 14,911 residents.

Is Sheridan's groundwater at risk of contamination?

Sheridan 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 11 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 Sheridan's water compare to other cities?

Sheridan ranks #66 out of 345 cities in Arkansas (better than 81% of state cities) and #1518 out of 15744 cities nationally (90th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.