WaterVerge

Is Ravenna, NE Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: NE3101911
Overall Score
92.2 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#43 of 200 in Nebraska Top 9% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.2/100
waterverge.com
A 92.2/100

Ravenna, NE — Water Quality Report

Ravenna's drinking water received a grade of A (92.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,457 residents using groundwater.

Lead levels were measured at 2.5 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 13 violations on record, including 9 health-based violations. 2 remain unresolved.

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

What to know about Ravenna's water

Ravenna ranks #43 out of 200 cities in Nebraska for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
92.2 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.2/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.5 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 Ravenna, NE water safe to drink?

Use Caution

Ravenna's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,457 residents using groundwater (wells).

2
Active Violations
2.5 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Ravenna

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ravenna's water quality assessment. Grade: A (92.2/100).

Violation
1 drinking water violation recorded

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
2 drinking water violations recorded

2 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 Ravenna's water supply.

Lead Within Limits
Detected: 2.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ravenna's water system has 13 total violations on record, including 9 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

MONMCLOtherMR
Most recent violations:
Sep 2025 Revised Total Coliform Rule Resolved
Sep 2008 Coliform (TCR) Resolved
Jun 2008 Coliform (TCR) Resolved
Jun 2008 Coliform (TCR) Resolved
Aug 2007 Coliform (TCR) Resolved

Flood & environmental risk

Buffalo 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.

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 Ravenna's water come from?

Ravenna's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,457 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Ravenna 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

Ravenna'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
2.5 ppb
EPA Action Level: 15 ppb · 17% of limit
Safe Level
Compliance Record

Violation summary

13
Total violations
9
Health-based
2
Active / unresolved
Sep 2025
Most recent violation
Compliance Record

Violations & advisories

13 Total
2 Active
9 Health-based
11 Resolved
Violations by category
Total Coliform Rule
10
Revised Total Coliform Rule
1
Public Notice Rule and Revised PN Rule
1
Sep 2006 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Sep 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2025
Sep 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2008
Jun 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2008
Jun 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2008
Aug 2007 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2007
Nov 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2006
Aug 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2006
Apr 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Apr 2003
Dec 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Oct 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1993
Aug 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1993
Industrial pollution

Top industrial polluters within 10 miles of Ravenna

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
KAAPA ETHANOL RAVENNA LLC
Chemicals · KAAPA ETHANOL HOLDINGS LLC
RAVENNA, NE68869
1.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Buffalo 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.

10
Weeks at D2+ (current streak)
16.3%
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

Buffalo 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
Mar 1978
STORMS, ICE JAMS, SNOWMELT & FLOODING
Flood FEMA #552
Jul 1967
SEVERE STORMS & FLOODING
Flood FEMA #228

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.5 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 increased by 0.5 ppb from 2004 (2.0 ppb) to 2023 (2.5 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,457
Water Systems
1
Water Source

Where Ravenna's water comes from

Groundwater

Ravenna'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 1,457 people through 1 water system.

Infrastructure

Water systems serving Ravenna

System Name PWSID Population Source
RAVENNA, CITY OF NE3101911 1,457 GW
Regional Comparison

How Ravenna compares

Full Nebraska rankings →

Ravenna's score of 92.2/100 is above the average of 66/100 among major Nebraska cities. It outscores 10 of 10 nearby cities.

Ravenna (this city)
92.2
Omaha
56.5
Lincoln
56.5
Kearney
70
Nebraska avg
66
City Profile

About Ravenna, NE

Economic Profile
$61,066
Median Income
$110,576
Median Home Value
$878/mo
Median Rent
2.8%
Unemployment
Community
40.4
Median Age
327
People / sq mi
13.5%
College Educated
61.2%
Homeownership
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Frequently asked questions

Is Ravenna, NE tap water safe to drink?

Ravenna's water quality earned a grade of A (92.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #43 out of 200 cities tested in Nebraska.

What contaminants are in Ravenna's water?

Lead was measured at 2.5 ppb (90th percentile). 13 violations are on record.

How is Ravenna'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 Ravenna?

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

Where does Ravenna's water come from?

Ravenna's water is sourced from Groundwater. The city has 1 water system serving approximately 1,457 residents.

What health violations has Ravenna's water system had?

Ravenna has 9 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Ravenna's groundwater at risk of contamination?

Ravenna 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 13 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 Ravenna's water compare to other cities?

Ravenna ranks #43 out of 200 cities in Nebraska (better than 79% of state cities) and #1346 out of 15744 cities nationally (92th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ravenna's small water system affect quality?

Ravenna's system serves approximately 1,457 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 13 violations on record.