WaterVerge

Is Ellinwood, KS Tap Water Safe to Drink?

Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: KS2000906
Overall Score
86.4 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#51 of 323 in Kansas Top 30% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
86.4/100
waterverge.com
A- 86.4/100

Ellinwood, KS — Water Quality Report

Ellinwood's drinking water received a grade of A- (86.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,989 residents using groundwater.

Lead levels were measured at 0.0 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 4 violations on record, including 1 health-based violation. 3 remain unresolved.

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

What to know about Ellinwood's water

Ellinwood ranks #51 out of 323 cities in Kansas for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
86.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Ellinwood, KS water safe to drink?

Concerns Identified

Ellinwood's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,989 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Ellinwood

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ellinwood's water quality assessment. Grade: A- (86.4/100).

Violation
1 drinking water violation recorded

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

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3236). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-1000). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ellinwood's water system has 4 total violations on record, including 1 health-based violation. 3 remain unresolved.

MCLOther
Most recent violations:
Aug 2009 Coliform (TCR) Resolved
Jul 2005 Consumer Confidence Rule Open
Oct 1999 Consumer Confidence Rule Open

Flood & environmental risk

Barton County has experienced 4 federally declared disasters since 1965. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3236
SEVERE STORMS & FLOODING
Flood FEMA DR-1000
SEVERE STORMS & FLOODING
Flood FEMA DR-378

Where does Ellinwood's water come from?

Ellinwood's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,989 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Ellinwood residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Ellinwood's water.

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

Ellinwood'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

4
Total violations
1
Health-based
3
Active / unresolved
Aug 2009
Most recent violation
Compliance Record

Violations & advisories

4 Total
3 Active
1 Health-based
1 Resolved
Violations by category
Consumer Confidence Rule
2
Total Coliform Rule
1
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Aug 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2009
Environmental Risk

Drought conditions

D3 — extreme drought

Barton 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.

4
Weeks at D2+ (current streak)
14.2%
Months in D2+ (last 30y)
4
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
Sep 2005
Most recent
Flood
Most common type

Barton County has experienced 4 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3236
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #1000
May 1973
SEVERE STORMS & FLOODING
Flood FEMA #378
Jun 1965
FLOODING
Flood FEMA #201

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 9.2 ppb from 2007 (9.2 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,989
Water Systems
1
Water Source

Where Ellinwood's water comes from

Groundwater

Ellinwood'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 1,989 people through 1 water system.

Infrastructure

Water systems serving Ellinwood

System Name PWSID Population Source
ELLINWOOD, CITY OF KS2000906 1,989 GW
Regional Comparison

How Ellinwood compares

Full Kansas rankings →

Ellinwood's score of 86.4/100 is above the average of 62/100 among major Kansas cities. It outscores 10 of 10 nearby cities.

Ellinwood (this city)
86.4
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Ellinwood, KS

Wikipedia →

Ellinwood is a city in the southeastern corner of Barton County, Kansas, United States. As of the 2020 census, the population of the city was 2,011.

Economic Profile
$50,208
Median Income
$95,260
Median Home Value
$678/mo
Median Rent
3.4%
Unemployment
Community
45.6
Median Age
650
People / sq mi
17.9%
College Educated
69.7%
Homeownership
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Frequently asked questions

Is Ellinwood, KS tap water safe to drink?

Ellinwood's water quality earned a grade of A- (86.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #51 out of 323 cities tested in Kansas.

What contaminants are in Ellinwood's water?

Lead was measured at 0.0 ppb (90th percentile). 4 violations are on record.

How is Ellinwood'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 Ellinwood?

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

Where does Ellinwood's water come from?

Ellinwood's water is sourced from Groundwater. The city has 1 water system serving approximately 1,989 residents.

What health violations has Ellinwood's water system had?

Ellinwood has 1 health-based violation on record. The most recent violation was recorded in August 2009. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Ellinwood's groundwater at risk of contamination?

Ellinwood 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 4 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 Ellinwood's water compare to other cities?

Ellinwood ranks #51 out of 323 cities in Kansas (better than 84% of state cities) and #4714 out of 15744 cities nationally (70th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ellinwood's small water system affect quality?

Ellinwood's system serves approximately 1,989 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 4 violations on record.