WaterVerge

Is Doniphan, 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 ↓

829 residents served 1 water system PWSID: NE3107905
Overall Score
87.8 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#103 of 200 in Nebraska Top 25% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.8/100
waterverge.com
A- 87.8/100

Doniphan, NE — Water Quality Report

Doniphan's drinking water received a grade of A- (87.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 829 residents using groundwater.

Lead levels were measured at 1.5 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 7 violations on record, including 5 health-based violations. 1 remains unresolved.

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

What to know about Doniphan's water

Doniphan ranks #103 out of 200 cities in Nebraska for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
87.8 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.5 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 Doniphan, NE water safe to drink?

Use Caution

Doniphan's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (87.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 829 residents using groundwater (wells).

1
Active Violations
1.5 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Doniphan

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Doniphan's water quality assessment. Grade: A- (87.8/100).

Violation
1 drinking water violation recorded

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

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

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 Doniphan's water supply.

Lead Within Limits
Detected: 1.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.70 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

Doniphan's water system has 7 total violations on record, including 5 health-based violations. 1 remain unresolved. 2 violations were issued in the last 5 years.

MCLMR
Most recent violations:
Dec 2022 Revised Total Coliform Rule Resolved
May 2021 Revised Total Coliform Rule Resolved
Sep 2015 Coliform (TCR) Resolved
Jul 2005 Nitrate-Nitrite Resolved
Feb 2003 Coliform (TCR) Resolved

Flood & environmental risk

Hall County has experienced 5 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. Local water sources include Platte River Near Grand Island, Nebr., Wood River At Grand Island, 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 Doniphan's water come from?

Doniphan's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 829 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 River Near Grand Island, Nebr. (river), Wood River At Grand Island, Nebr. (river).

What Doniphan 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

Doniphan'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
1.5 ppb
EPA Action Level: 15 ppb · 10% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.70 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

7
Total violations
5
Health-based
1
Active / unresolved
Dec 2022
Most recent violation
Compliance Record

Violations & advisories

7 Total
1 Active
5 Health-based
6 Resolved
Violations by category
Total Coliform Rule
3
Revised Total Coliform Rule
2
Nitrate Rule
1
Active
Compliance Violation
Monitoring 0
Dec 2022 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Dec 2022
May 2021 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved May 2021
Sep 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2015
Jul 2005 Resolved
Nitrate-Nitrite
Max Contaminant Level
Health-Based Health Resolved Sep 2005
Feb 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 2003
Jan 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 2003
Industrial pollution

Top industrial polluters within 10 miles of Doniphan

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CHIEF INDUSTRIES - FABRICATION DIV
Fabricated Metals · CHIEF INDUSTRIES INC
GRAND ISLAND, NE68801
9.5 mi
PLATTE GENERATING STATION
Electric Utilities · CITY OF GRAND ISLAND
GRAND ISLAND, NE68801
6.0 mi
CNH INDUSTRIAL AMERICA LLC
Machinery · CASE NEW HOLLAND INDUSTRIAL INC
GRAND ISLAND, NE68803
8.9 mi
GERHOLD CONCRETE CO GRAND ISLAND PLANT
Nonmetallic Mineral Product · CRH AMERICAS INC
GRAND ISLAND, NE68803
9.1 mi
HORNADY MANUFACTURING CO
Fabricated Metals · NA
GRAND ISLAND, NE68803
9.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Doniphan

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

D2 — severe drought

Hall County is currently in D2 (severe 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.

10
Weeks at D2+ (current streak)
15.4%
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

5
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Hall County has experienced 5 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
Apr 1993
ICE JAMS & FLOODING
Flood FEMA #983
Jul 1967
SEVERE STORMS & FLOODING
Flood FEMA #228

Recommended water filters

Based on contaminants detected in Doniphan'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) 1.5 15 ppb Inorganic Safe
Copper (90th percentile) 1.70 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 decreased by 0.5 ppb from 2001 (2.0 ppb) to 2025 (1.5 ppb).

Copper level (90th percentile)

Latest reading: 1.700 mg/L (2001)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
829
Water Systems
1
Water Source

Where Doniphan's water comes from

Groundwater

Doniphan'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 829 people through 1 water system.

Local Hydrology

Water bodies near Doniphan

Doniphan is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Platte River Near Grand Island, Nebr.
river
Wood River At Grand Island, Nebr.
river
Infrastructure

Water systems serving Doniphan

System Name PWSID Population Source
DONIPHAN, VILLAGE OF NE3107905 829 GW
Regional Comparison

How Doniphan compares

Full Nebraska rankings →

Doniphan's score of 87.8/100 is above the average of 66/100 among major Nebraska cities. It outscores 10 of 10 nearby cities.

Doniphan (this city)
87.8
Omaha
56.5
Lincoln
56.5
Kearney
70
Nebraska avg
66
City Profile

About Doniphan, NE

Economic Profile
$75,357
Median Income
$192,701
Median Home Value
$1,005/mo
Median Rent
1%
Unemployment
Community
41
Median Age
715
People / sq mi
15.3%
College Educated
77.7%
Homeownership
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Frequently asked questions

Is Doniphan, NE tap water safe to drink?

Doniphan's water quality earned a grade of A- (87.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #103 out of 200 cities tested in Nebraska.

What contaminants are in Doniphan's water?

Lead was measured at 1.5 ppb (90th percentile). 7 violations are on record.

How is Doniphan'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 Doniphan?

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

Where does Doniphan's water come from?

Doniphan's water is sourced from Groundwater. The city has 1 water system serving approximately 829 residents.

What health violations has Doniphan's water system had?

Doniphan has 5 health-based violations on record. The most recent violation was recorded in December 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Doniphan's groundwater at risk of contamination?

Doniphan 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 7 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 Doniphan's water compare to other cities?

Doniphan ranks #103 out of 200 cities in Nebraska (better than 49% of state cities) and #3843 out of 15744 cities nationally (76th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Doniphan's small water system affect quality?

Doniphan's system serves approximately 829 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 7 violations on record.