WaterVerge

Is Ainsworth, NE 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 ↓

2K residents served 1 water system PWSID: NE3101702
Overall Score
94.1 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#24 of 200 in Nebraska Top 4% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
94.1/100
waterverge.com
A 94.1/100

Ainsworth, NE — Water Quality Report

Ainsworth's drinking water received a grade of A (94.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,728 residents using groundwater.

Lead levels were measured at 0.6 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 20 violations on record, including 17 health-based violations. 1 remains unresolved.

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

What to know about Ainsworth's water

Ainsworth ranks #24 out of 200 cities in Nebraska for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
94.1 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.1/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.6 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 Ainsworth, NE water safe to drink?

Use Caution

Ainsworth's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (94.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,728 residents using groundwater (wells).

1
Active Violations
0.6 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Ainsworth

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ainsworth's water quality assessment. Grade: A (94.1/100).

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

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

Violation
1 drinking water violation recorded

1 health-based. 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 Ainsworth's water supply.

Lead Within Limits
Detected: 0.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ainsworth's water system has 20 total violations on record, including 17 health-based violations. 1 remain unresolved.

MCLMR
Most recent violations:
Jun 2015 Coliform (TCR) Resolved
Jun 2012 Coliform (TCR) Resolved
Nov 2011 Coliform (TCR) Resolved
Sep 2011 Coliform (TCR) Resolved
Nov 2010 Coliform (TCR) Resolved

Flood & environmental risk

Brown County has experienced 3 federally declared disasters since 1967. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4420
HURRICANE KATRINA EVACUEES
Hurricane FEMA DR-3245
SEVERE STORMS & FLOODING
Flood FEMA DR-228

Where does Ainsworth's water come from?

Ainsworth's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,728 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Ainsworth 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

Ainsworth'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
0.6 ppb
EPA Action Level: 15 ppb · 4% of limit
Safe Level
Compliance Record

Violation summary

20
Total violations
17
Health-based
1
Active / unresolved
Jun 2015
Most recent violation
Compliance Record

Violations & advisories

20 Total
1 Active
17 Health-based
19 Resolved
Active
Compliance Violation
Monitoring 0
Jun 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2015
Jun 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2012
Nov 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2011
Sep 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2011
Nov 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2010
Jul 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2010
Jun 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2010
Feb 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2005
Oct 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2004
Sep 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Nov 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2003
Mar 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2003
Nov 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2002
Oct 2001 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2001
Dec 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2000
Nov 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2000
Oct 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2000
Jul 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2000
Nov 1994 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 1994
Environmental Risk

Drought conditions

D3 — extreme drought

Brown 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.

7
Weeks at D2+ (current streak)
14.2%
Months in D2+ (last 30y)
7
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

3
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Brown County has experienced 3 federally declared disasters since 1967. 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 1967
SEVERE STORMS & FLOODING
Flood FEMA #228

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.6 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 2.9 ppb from 2004 (3.5 ppb) to 2025 (0.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,728
Water Systems
1
Water Source

Where Ainsworth's water comes from

Groundwater

Ainsworth'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 1,728 people through 1 water system.

Infrastructure

Water systems serving Ainsworth

System Name PWSID Population Source
AINSWORTH, CITY OF NE3101702 1,728 GW
Regional Comparison

How Ainsworth compares

Full Nebraska rankings →

Ainsworth's score of 94.1/100 is above the average of 66/100 among major Nebraska cities. It outscores 10 of 10 nearby cities.

Ainsworth (this city)
94.1
Omaha
56.5
Lincoln
56.5
Kearney
70
Nebraska avg
66
City Profile

About Ainsworth, NE

Economic Profile
$47,576
Median Income
$94,752
Median Home Value
$900/mo
Median Rent
0.7%
Unemployment
Community
51
Median Age
601
People / sq mi
22.1%
College Educated
75.7%
Homeownership
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Frequently asked questions

Is Ainsworth, NE tap water safe to drink?

Ainsworth's water quality earned a grade of A (94.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #24 out of 200 cities tested in Nebraska.

What contaminants are in Ainsworth's water?

Lead was measured at 0.6 ppb (90th percentile). 20 violations are on record.

How is Ainsworth'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 Ainsworth?

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

Where does Ainsworth's water come from?

Ainsworth's water is sourced from Groundwater. The city has 1 water system serving approximately 1,728 residents.

What health violations has Ainsworth's water system had?

Ainsworth has 17 health-based violations on record. The most recent violation was recorded in June 2015. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Ainsworth's groundwater at risk of contamination?

Ainsworth 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 20 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 Ainsworth's water compare to other cities?

Ainsworth ranks #24 out of 200 cities in Nebraska (better than 88% of state cities) and #617 out of 15744 cities nationally (96th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ainsworth's small water system affect quality?

Ainsworth's system serves approximately 1,728 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 20 violations on record.