WaterVerge

Is Overton, NE Tap Water Safe to Drink?

Graded A+ with no contaminants above EPA limits. Here's everything we tested and how Overton ranks. What to do next ↓

600 residents served 1 water system PWSID: NE3104710
Overall Score
95.3 / 100
Violations
None active
Last Updated
May 2026
Source
Groundwater
#14 of 200 in Nebraska Top 2% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A+GRADE
Water Quality Grade
95.3/100
waterverge.com
A+ 95.3/100

Overton, NE — Water Quality Report

Overton's drinking water received a grade of A+ (95.3 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 600 residents using groundwater.

Lead levels were measured at 2.1 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 15 violations on record, including 9 health-based violations. All violations have been resolved.

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

What to know about Overton's water

Overton ranks #14 out of 200 cities in Nebraska for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
95.3 out of 100 Grade A+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Overton, NE water safe to drink?

Generally Safe

Based on EPA testing data, Overton's tap water is generally safe to drink. The water system earned a grade of A+ (95.3/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 600 residents using groundwater (wells).

None
Violations
2.1 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Overton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Overton's water quality assessment. Grade: A+ (95.3/100).

Disaster
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4420). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA EVACUEES

Federal disaster declaration (FEMA DR-3245). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Overton's water system has 15 total violations on record, including 9 health-based violations. All violations have been resolved.

MONMRMCL
Most recent violations:
Sep 2018 Revised Total Coliform Rule Resolved
May 2015 Coliform (TCR) Resolved
Sep 2014 Coliform (TCR) Resolved
Sep 2010 Coliform (TCR) Resolved
Apr 2010 Coliform (TCR) Resolved

Flood & environmental risk

Dawson County has experienced 4 federally declared disasters since 1978. 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 Platte R, J2 Outflow And S Ch, Near Overton, Nebr., Platte River Near Overton, Nebr., Spring Creek Near Overton, Nebr., Platte R,So-Ch,Cottonwood Ranch Nr Overton, Nebr., Platte R Mid-Ch, Cottonwood Ranch Nr Elm Cr, Nebr..

SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4420
HURRICANE KATRINA EVACUEES
Hurricane FEMA DR-3245
SEVERE STORMS AND FLOODING
Flood FEMA DR-998

Where does Overton's water come from?

Overton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 600 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Platte R, J2 Outflow And S Ch, Near Overton, Nebr. (river), Platte River Near Overton, Nebr. (river), Spring Creek Near Overton, Nebr. (river), Platte R,So-Ch,Cottonwood Ranch Nr Overton, Nebr. (river), Platte R Mid-Ch, Cottonwood Ranch Nr Elm Cr, Nebr. (river).

What Overton 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.

Monitor alerts during storms

Overton'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
2.1 ppb
EPA Action Level: 15 ppb · 14% of limit
Safe Level
Compliance Record

Violation summary

15
Total violations
9
Health-based
0
Active / unresolved
Sep 2018
Most recent violation
Compliance Record

Violations & advisories

15 Total
0 Active
9 Health-based
15 Resolved
Violations by category
Total Coliform Rule
7
Inorganic Chemicals
4
Nitrate Rule
2
Revised Total Coliform Rule
1
Radionuclides and Revised Rad Rule
1
Sep 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2018
May 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2015
Sep 2014 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2014
Sep 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2010
Apr 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2010
Jun 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2007
Aug 2001 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2001
Sep 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2000
Oct 1983 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Sep 1987
Oct 1982 Resolved
Selenium
Max Contaminant Level
Health-Based Health Resolved Sep 1983
Oct 1982 Resolved
Selenium
Max Contaminant Level
Health-Based Health Resolved Sep 1985
Sep 1982 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Sep 1983
Sep 1982 Resolved
Selenium
Max Contaminant Level
Health-Based Health Resolved Sep 1984
Sep 1982 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Sep 1984
Sep 1982 Resolved
Selenium
Max Contaminant Level
Health-Based Health Resolved Sep 1983
Industrial pollution

Top industrial polluters within 10 miles of Overton

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CHIEF ETHANOL FUELS INC.
Chemicals · CHIEF INDUSTRIES INC
LEXINGTON, NE68850
9.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D4 — exceptional drought

Dawson County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 18.4% 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.

10
Weeks at D2+ (current streak)
21.7%
Months in D2+ (last 30y)
10
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
Mar 2019
Most recent
Flood
Most common type

Dawson County has experienced 4 federally declared disasters since 1978. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2019
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4420
Sep 2005
HURRICANE KATRINA EVACUEES
Hurricane FEMA #3245
Jul 1993
SEVERE STORMS AND FLOODING
Flood FEMA #998
Mar 1978
STORMS, ICE JAMS, SNOWMELT & FLOODING
Flood FEMA #552

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.1 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 2.6 ppb from 2004 (4.8 ppb) to 2025 (2.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
600
Water Systems
1
Water Source

Where Overton's water comes from

Groundwater

Overton'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 600 people through 1 water system.

Local Hydrology

Water bodies near Overton

Overton is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Platte R, J2 Outflow And S Ch, Near Overton, Nebr.
river
Platte River Near Overton, Nebr.
river
Spring Creek Near Overton, Nebr.
river
Platte R,So-Ch,Cottonwood Ranch Nr Overton, Nebr.
river
Platte R Mid-Ch, Cottonwood Ranch Nr Elm Cr, Nebr.
river
Infrastructure

Water systems serving Overton

System Name PWSID Population Source
OVERTON, VILLAGE OF NE3104710 600 GW
Regional Comparison

How Overton compares

Full Nebraska rankings →

Overton's score of 95.3/100 is above the average of 66/100 among major Nebraska cities. It outscores 10 of 10 nearby cities.

Overton (this city)
95.3
Omaha
56.5
Lincoln
56.5
Kearney
70
Nebraska avg
66
City Profile

About Overton, NE

Economic Profile
$51,250
Median Income
$103,753
Median Home Value
$721/mo
Median Rent
4.1%
Unemployment
Community
32
Median Age
505
People / sq mi
10.6%
College Educated
73.5%
Homeownership
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Frequently asked questions

Is Overton, NE tap water safe to drink?

Overton's water quality earned a grade of A+ (95.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #14 out of 200 cities tested in Nebraska.

What contaminants are in Overton's water?

Lead was measured at 2.1 ppb (90th percentile). 15 violations are on record.

How is Overton'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 Overton?

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

Where does Overton's water come from?

Overton's water is sourced from Groundwater. The city has 1 water system serving approximately 600 residents.

What health violations has Overton's water system had?

Overton has 9 health-based violations on record. The most recent violation was recorded in September 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

Is Overton's groundwater at risk of contamination?

Overton 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 15 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 Overton's water compare to other cities?

Overton ranks #14 out of 200 cities in Nebraska (better than 93% of state cities) and #333 out of 15744 cities nationally (98th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Overton's small water system affect quality?

Overton's system serves approximately 600 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 15 violations on record.