WaterVerge

Is Omaha, AR Tap Water Safe to Drink?

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: AR0000064
Overall Score
87.6 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#143 of 345 in Arkansas Top 25% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.6/100
waterverge.com
A- 87.6/100

Omaha, AR — Water Quality Report

Omaha's drinking water received a grade of A- (87.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,188 residents using purchased surface water.

Lead levels were measured at 1.0 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 44 violations on record, including 6 health-based violations. 4 remain unresolved.

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

What to know about Omaha's water

Omaha ranks #143 out of 345 cities in Arkansas for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Omaha may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
87.6 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
19/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Omaha, AR water safe to drink?

Concerns Identified

Omaha's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,188 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
1.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Omaha

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Omaha's water quality assessment. Grade: A- (87.6/100).

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: Groundwater Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Omaha's water system has 44 total violations on record, including 6 health-based violations. 4 remain unresolved. 1 violation was issued in the last 5 years.

RPTOtherMONMCLMR
Most recent violations:
Oct 2025 Revised Total Coliform Rule Open
Mar 2018 Groundwater Rule Open
Oct 2016 Revised Total Coliform Rule Resolved
Nov 2011 Coliform (TCR) Resolved
Jan 2010 Coliform (TCR) Resolved

Flood & environmental risk

Boone County has experienced 6 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 Long Creek At Denver, White River Bl Table Rock Dam Near Branson, Turkey Creek Near Hollister, Bear Creek Near Omaha.

HURRICANE LAURA
Hurricane FEMA DR-3541
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3215
SEVERE STORMS & FLOODING
Flood FEMA DR-865

Where does Omaha's water come from?

Omaha's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,188 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Long Creek At Denver (river), White River Bl Table Rock Dam Near Branson (river), Turkey Creek Near Hollister (river), Bear Creek Near Omaha (river).

What Omaha residents can do

Install a water filter

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

Omaha'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
Compliance Record

Violation summary

44
Total violations
6
Health-based
4
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

44 Total
4 Active
6 Health-based
40 Resolved
Violations by category
Total Coliform Rule
34
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Revised Total Coliform Rule
2
Consumer Confidence Rule
2
Ground Water Rule
1
Oct 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Mar 2018 Active
Groundwater Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2016
Nov 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2011
Jan 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2010
Nov 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2008
Oct 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2005
Jan 2005 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2005
Jul 2004 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2004
Jan 2004 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2004
Jan 2004 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2004
Oct 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2003
Jul 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2003
Oct 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2002
Jul 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2002
Jun 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2002
Aug 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2000
Mar 2000 Resolved
Coliform (TCR)
Other Violation Resolved Mar 2000
Showing 20 of 44 violations
Site context

Superfund sites within 10 miles of Omaha

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D3 — extreme drought

Boone 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)
8.9%
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
Flood
Most common type

Boone County has experienced 6 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
May 1990
SEVERE STORMS & FLOODING
Flood FEMA #865
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #375
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) 1.0 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 1.0 ppb from 1992 (2.0 ppb) to 2002 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,188
Water Systems
1
Water Source

Where Omaha's water comes from

Purchased Surface Water

Omaha's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 1,188 people through 1 water system.

Local Hydrology

Water bodies near Omaha

Omaha is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Long Creek At Denver
river
White River Bl Table Rock Dam Near Branson
river
Turkey Creek Near Hollister
river
Bear Creek Near Omaha
river
Infrastructure

Water systems serving Omaha

System Name PWSID Population Source
OMAHA WATERWORKS AR0000064 1,188 SWP
Regional Comparison

How Omaha compares

Full Arkansas rankings →

Omaha's score of 87.6/100 is above the average of 75/100 among major Arkansas cities. It outscores 7 of 10 nearby cities.

Omaha (this city)
87.6
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Omaha, AR

Wikipedia →

Omaha is a town in Boone County, Arkansas, United States. As of the 2020 census the population stood at 128. It is a rural community located approximately 10 miles from Branson, Missouri and 15 miles from Harrison. The town is part of the Harrison Micropolitan Statistical Area.

Economic Profile
$30,938
Median Income
$611/mo
Median Rent
4.3%
Unemployment
Community
32.6
Median Age
126
People / sq mi
9.1%
College Educated
61.2%
Homeownership
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Frequently asked questions

Is Omaha, AR tap water safe to drink?

Omaha's water quality earned a grade of A- (87.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #143 out of 345 cities tested in Arkansas.

What contaminants are in Omaha's water?

Lead was measured at 1.0 ppb (90th percentile). 44 violations are on record.

How is Omaha'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 Omaha?

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

Where does Omaha's water come from?

Omaha's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,188 residents.

What health violations has Omaha's water system had?

Omaha has 6 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Omaha's water compare to other cities?

Omaha ranks #143 out of 345 cities in Arkansas (better than 59% of state cities) and #3961 out of 15744 cities nationally (75th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Omaha's small water system affect quality?

Omaha's system serves approximately 1,188 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 44 violations on record.