WaterVerge

Is Ellsworth, KS Tap Water Safe to Drink?

Graded D+, with 24 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

6K residents served 2 water systems PWSID: KS2005309
Overall Score
54.2 / 100
Violations
24 active
Last Updated
May 2026
Source
Surface water
#287 of 323 in Kansas Top 80% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
54.2/100
waterverge.com
D+ 54.2/100

Ellsworth, KS — Water Quality Report

Ellsworth's drinking water received a grade of D+ (54.2 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 6,120 residents using surface water.

Lead levels were measured at 0.2 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 110 violations on record, including 57 health-based violations. 24 remain unresolved.

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

What to know about Ellsworth's water

Ellsworth ranks #287 out of 323 cities in Kansas for water quality, placing it among the lowest-rated in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

The system has seen 15 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
54.2 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
8.2/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.2 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Ellsworth, KS water safe to drink?

Concerns Identified

Ellsworth's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (54.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 6,120 residents using surface water (rivers, lakes, or reservoirs).

24
Active Violations
0.2 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Ellsworth

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ellsworth's water quality assessment. Grade: D+ (54.2/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

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 Ellsworth's water supply.

Lead Within Limits
Detected: 0.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ellsworth's water system has 110 total violations on record, including 57 health-based violations. 24 remain unresolved. 15 violations were issued in the last 5 years.

MROtherTTMCLMRDL
Most recent violations:
Nov 2023 Lead and Copper Rule Open
Oct 2023 Lead and Copper Rule Open
Aug 2023 Surface Water Treatment Rule Resolved
Jul 2023 Consumer Confidence Rule Open
Jul 2023 Surface Water Treatment Rule Resolved

Flood & environmental risk

Ellsworth County has experienced 3 federally declared disasters since 1973. 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 Smoky Hill R.

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

Where does Ellsworth's water come from?

Ellsworth's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 6,120 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Smoky Hill R (river).

What Ellsworth residents can do

Install a water filter

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

Ellsworth'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
0.2 ppb
EPA Action Level: 15 ppb · 1% of limit
Safe Level
Compliance Record

Violation summary

110
Total violations
57
Health-based
24
Active / unresolved
Nov 2023
Most recent violation
Compliance Record

Violations & advisories

110 Total
24 Active
57 Health-based
86 Resolved
7 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
50
Surface Water Treatment Rule
21
Stage 2 Disinfectants and Disinfection Byproducts Rule
9
Consumer Confidence Rule
7
Public Notice Rule and Revised PN Rule
7
Nov 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2020 Active
Public Notice
Other Violation 0
Oct 2019 Active
Public Notice
Other Violation 0
Oct 2019 Active
Public Notice
Other Violation 0
Aug 2019 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
May 2019 Active
Public Notice
Other Violation 0
May 2019 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Other Violation 0
Mar 2019 Active
Public Notice
Other Violation 0
Jan 2019 Active
Public Notice
Other Violation 0
Dec 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2017 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Feb 2008 Active
Public Notice
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 110 violations
Industrial pollution

Top industrial polluters within 10 miles of Ellsworth

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CVCO LLC DBA CASHCO & VALVE CONCEPTS
Fabricated Metals · MRC HAMLIN EQUITY LP
ELLSWORTH, KS67439
0.6 mi
GREAT PLAINS MANUFACTURING INC ELLSWORTH
Machinery · KUBOTA NORTH AMERICA CORP
ELLSWORTH, KS67439
0.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Ellsworth 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.

3
Weeks at D2+ (current streak)
9.5%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Ellsworth County has experienced 3 federally declared disasters since 1973. 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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.2 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 5.2 ppb from 2004 (5.4 ppb) to 2024 (0.2 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
6,120
Water Systems
2
Source breakdown
Surface Water
1
Purchased Surface Water
1
Water Source

Where Ellsworth's water comes from

Surface Water

Ellsworth's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 6,120 people through 2 water systems.

Local Hydrology

Water bodies near Ellsworth

Ellsworth is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Smoky Hill R
river
Infrastructure

Water systems serving Ellsworth

System Name PWSID Population Source
ELLSWORTH CO RWD 1 KS2005309 3,128 SW
ELLSWORTH, CITY OF KS2005306 2,992 SWP
Regional Comparison

How Ellsworth compares

Full Kansas rankings →

Ellsworth's score of 54.2/100 is below the average of 62/100 among major Kansas cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Ellsworth (this city)
54.2
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Ellsworth, KS

Wikipedia →

Ellsworth is a city in and the county seat of Ellsworth County, Kansas, United States. As of the 2020 census, the population of the city was 3,066. Known as a cow town in the 1870s, when the Kansas Pacific Railroad operated a stockyard here for shipping cattle to eastern markets. In the 21st century, Ellsworth is the trading center of the rural county.

Economic Profile
$61,524
Median Income
$141,860
Median Home Value
$665/mo
Median Rent
2%
Unemployment
Community
40.4
Median Age
497
People / sq mi
16.3%
College Educated
75.3%
Homeownership
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Frequently asked questions

Is Ellsworth, KS tap water safe to drink?

Ellsworth's water quality earned a grade of D+ (54.2/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #287 out of 323 cities tested in Kansas.

What contaminants are in Ellsworth's water?

Lead was measured at 0.2 ppb (90th percentile). 110 violations are on record.

How is Ellsworth'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 Ellsworth?

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

Where does Ellsworth's water come from?

Ellsworth's water is sourced from Surface water. The city has 2 water systems serving approximately 6,120 residents.

What health violations has Ellsworth's water system had?

Ellsworth has 57 health-based violations on record. The most recent violation was recorded in November 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 24 violations remain unresolved.

How does Ellsworth's water compare to other cities?

Ellsworth ranks #287 out of 323 cities in Kansas (better than 11% of state cities) and #12624 out of 15744 cities nationally (20th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.