WaterVerge

Is De Witt, 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 ↓

598 residents served 1 water system PWSID: NE3115101
Overall Score
88.1 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#99 of 200 in Nebraska Top 23% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.1/100
waterverge.com
A- 88.1/100

De Witt, NE — Water Quality Report

De Witt's drinking water received a grade of A- (88.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 598 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 11 violations on record, including 8 health-based violations. 2 remain unresolved.

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

What to know about De Witt's water

De Witt ranks #99 out of 200 cities in Nebraska for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
88.1 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
16/20
B
Lead at 0.6 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 De Witt, NE water safe to drink?

Use Caution

De Witt's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (88.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 598 residents using groundwater (wells).

2
Active Violations
0.6 ppb
Lead (90th %ile)

Recent water quality updates for De Witt

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into De Witt's water quality assessment. Grade: A- (88.1/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Nitrate-Nitrite.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Nitrate-Nitrite.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.90 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

De Witt's water system has 11 total violations on record, including 8 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

RPTMCLMR
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Apr 2000 Nitrate-Nitrite Resolved
Jan 1997 Nitrate-Nitrite Resolved
Jun 1996 Coliform (TCR) Resolved
Oct 1995 Coliform (TCR) Resolved

Where does De Witt's water come from?

De Witt's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 598 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What De Witt 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.

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
Copper (90th percentile)
Inorganic
Over Limit
1.90 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

11
Total violations
8
Health-based
2
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

11 Total
2 Active
8 Health-based
9 Resolved
Violations by category
Total Coliform Rule
6
Nitrate Rule
3
Lead and Copper Rule Revisions
1
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2000 Resolved
Nitrate-Nitrite
Max Contaminant Level
Health-Based Health Resolved Jun 2000
Jan 1997 Resolved
Nitrate-Nitrite
Max Contaminant Level
Health-Based Health Resolved Mar 1997
Jun 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1996
Oct 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1995
Oct 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1995
Sep 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1995
Sep 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1995
Mar 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1995
Jan 1995 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Mar 1995
Industrial pollution

Top industrial polluters within 10 miles of De Witt

Industrial polluters nearby

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

Total reported releases to surface water: 6,030 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
KOCH FERTILIZER BEATRICE,LLC
Chemicals · KOCH INC
BEATRICE, NE68310
Ammonia6,0306.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Saline 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.

7
Weeks at D2+ (current streak)
15.1%
Months in D2+ (last 30y)
7
Weeks at D2+ (last 5y)

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

Recommended water filters

Based on contaminants detected in De Witt'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) 0.6 15 ppb Inorganic Safe
Copper (90th percentile) 1.90 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 0.6 ppb from 2004 (0.0 ppb) to 2025 (0.6 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.550 mg/L from 1993 (2.450 mg/L) to 2025 (1.900 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
598
Water Systems
1
Water Source

Where De Witt's water comes from

Groundwater

De Witt'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 598 people through 1 water system.

Infrastructure

Water systems serving De Witt

System Name PWSID Population Source
DEWITT, VILLAGE OF NE3115101 598 GW
Regional Comparison

How De Witt compares

Full Nebraska rankings →

De Witt's score of 88.1/100 is above the average of 66/100 among major Nebraska cities. It outscores 10 of 10 nearby cities.

De Witt (this city)
88.1
Omaha
56.5
Lincoln
56.5
Kearney
70
Nebraska avg
66
City Profile

About De Witt, NE

Economic Profile
$79,000
Median Income
$102,283
Median Home Value
$673/mo
Median Rent
1%
Unemployment
Community
41.9
Median Age
474
People / sq mi
20.9%
College Educated
75%
Homeownership
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Frequently asked questions

Is De Witt, NE tap water safe to drink?

De Witt's water quality earned a grade of A- (88.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #99 out of 200 cities tested in Nebraska.

What contaminants are in De Witt's water?

Lead was measured at 0.6 ppb (90th percentile). 11 violations are on record.

How is De Witt'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 De Witt?

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

Where does De Witt's water come from?

De Witt's water is sourced from Groundwater. The city has 1 water system serving approximately 598 residents.

What health violations has De Witt's water system had?

De Witt has 8 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is De Witt's groundwater at risk of contamination?

De Witt 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 11 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 De Witt's water compare to other cities?

De Witt ranks #99 out of 200 cities in Nebraska (better than 51% of state cities) and #3662 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does De Witt's small water system affect quality?

De Witt's system serves approximately 598 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 11 violations on record.