WaterVerge

Is Arapahoe, NE Tap Water Safe to Drink?

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

1K residents served 1 water system PWSID: NE3106506
Overall Score
85.7 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#129 of 200 in Nebraska Top 33% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.7/100
waterverge.com
A- 85.7/100

Arapahoe, NE — Water Quality Report

Arapahoe's drinking water received a grade of A- (85.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,026 residents using groundwater.

Lead levels were measured at 4.2 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 19 violations on record, including 19 health-based violations. 1 remains unresolved.

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

What to know about Arapahoe's water

Arapahoe ranks #129 out of 200 cities in Nebraska for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
85.7 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
14/20
C
Lead at 4.2 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Arapahoe, NE water safe to drink?

Use Caution

Arapahoe's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (85.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,026 residents using groundwater (wells).

1
Active Violations
4.2 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Arapahoe

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Arapahoe's water quality assessment. Grade: A- (85.7/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Revised Total Coliform Rule.

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).

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 Arapahoe's water supply.

Lead Within Limits
Detected: 4.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.42 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Arapahoe's water system has 19 total violations on record, including 19 health-based violations. 1 remain unresolved.

MCLTT
Most recent violations:
Dec 2020 Revised Total Coliform Rule Resolved
Oct 2015 Coliform (TCR) Resolved
Nov 2014 Coliform (TCR) Resolved
Oct 2014 Coliform (TCR) Resolved
Aug 2010 Coliform (TCR) Resolved

Flood & environmental risk

Furnas County has experienced 4 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 AND FLOODING
Flood FEMA DR-998

Where does Arapahoe's water come from?

Arapahoe's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,026 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Arapahoe 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Arapahoe'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
4.2 ppb
EPA Action Level: 15 ppb · 28% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.42 mg/L
EPA Action Level: 1.3 mg/L · +9% over limit
Exceeds Limit
Compliance Record

Violation summary

19
Total violations
19
Health-based
1
Active / unresolved
Dec 2020
Most recent violation
Compliance Record

Violations & advisories

19 Total
1 Active
19 Health-based
18 Resolved
Violations by category
Total Coliform Rule
11
Radionuclides and Revised Rad Rule
2
Nitrate Rule
2
Inorganic Chemicals
2
Revised Total Coliform Rule
1
Jan 1998 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Dec 2020 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Dec 2020
Oct 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2015
Nov 2014 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2014
Oct 2014 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2014
Aug 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2010
Jul 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2010
Sep 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2008
Jul 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2005
Jun 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Jan 2005 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Jan 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 2005
Oct 2004 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Dec 2004
Apr 2004 Resolved
Nitrate-Nitrite
Max Contaminant Level
Health-Based Health Resolved Jun 2004
Apr 2000 Resolved
Nitrate-Nitrite
Max Contaminant Level
Health-Based Health Resolved Jun 2000
Aug 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1999
Feb 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 1999
Oct 1980 Resolved
Selenium
Max Contaminant Level
Health-Based Health Resolved Sep 1981
Jun 1978 Resolved
Selenium
Max Contaminant Level
Health-Based Health Resolved Jul 1978
Environmental Risk

Drought conditions

D3 — extreme drought

Furnas 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.

9
Weeks at D2+ (current streak)
17.8%
Months in D2+ (last 30y)
9
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

Furnas County has experienced 4 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 1993
SEVERE STORMS AND FLOODING
Flood FEMA #998
Jul 1967
SEVERE STORMS & FLOODING
Flood FEMA #228

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.2 15 ppb Inorganic Safe
Copper (90th percentile) 1.42 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 3.2 ppb from 2004 (1.0 ppb) to 2025 (4.2 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 1.120 mg/L from 1993 (2.540 mg/L) to 2004 (1.420 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,026
Water Systems
1
Water Source

Where Arapahoe's water comes from

Groundwater

Arapahoe'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 1,026 people through 1 water system.

Infrastructure

Water systems serving Arapahoe

System Name PWSID Population Source
ARAPAHOE, CITY OF NE3106506 1,026 GW
Regional Comparison

How Arapahoe compares

Full Nebraska rankings →

Arapahoe's score of 85.7/100 is above the average of 66/100 among major Nebraska cities. It outscores 10 of 10 nearby cities.

Arapahoe (this city)
85.7
Omaha
56.5
Lincoln
56.5
Kearney
70
Nebraska avg
66
City Profile

About Arapahoe, NE

Wikipedia →

Arapahoe is a city in Furnas County, in the southern part of the state of Nebraska in the Midwestern United States. As of the 2020 census, Arapahoe had a population of 1,002.

Economic Profile
$71,250
Median Income
$92,303
Median Home Value
$1,520/mo
Median Rent
0%
Unemployment
Community
53
Median Age
388
People / sq mi
19.7%
College Educated
75.2%
Homeownership
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Frequently asked questions

Is Arapahoe, NE tap water safe to drink?

Arapahoe's water quality earned a grade of A- (85.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #129 out of 200 cities tested in Nebraska.

What contaminants are in Arapahoe's water?

Lead was measured at 4.2 ppb (90th percentile). 19 violations are on record.

How is Arapahoe'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 Arapahoe?

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

Where does Arapahoe's water come from?

Arapahoe's water is sourced from Groundwater. The city has 1 water system serving approximately 1,026 residents.

What health violations has Arapahoe's water system had?

Arapahoe has 19 health-based violations on record. The most recent violation was recorded in December 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Arapahoe's groundwater at risk of contamination?

Arapahoe 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 19 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 Arapahoe's water compare to other cities?

Arapahoe ranks #129 out of 200 cities in Nebraska (better than 36% of state cities) and #5183 out of 15744 cities nationally (67th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Arapahoe's small water system affect quality?

Arapahoe's system serves approximately 1,026 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 19 violations on record.