WaterVerge

Is Ness City, KS Tap Water Safe to Drink?

Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

1K residents served 1 water system PWSID: KS2013503
Overall Score
81.6 / 100
Violations
5 active
Last Updated
May 2026
Source
Groundwater
#142 of 323 in Kansas Top 47% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.6/100
waterverge.com
B+ 81.6/100

Ness City, KS — Water Quality Report

Ness City's drinking water received a grade of B+ (81.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,303 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 7 violations on record, including 3 health-based violations. 5 remain unresolved.

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

What to know about Ness City's water

Ness City ranks #142 out of 323 cities in Kansas for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
81.6 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
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 Ness City, KS water safe to drink?

Concerns Identified

Ness City's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,303 residents using groundwater (wells).

5
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Ness City

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ness City's water quality assessment. Grade: B+ (81.6/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

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

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

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 Ness City's water supply.

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.62 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

Ness City's water system has 7 total violations on record, including 3 health-based violations. 5 remain unresolved.

MRMCLTT
Most recent violations:
Dec 2018 Lead and Copper Rule Open
Aug 2009 Coliform (TCR) Resolved
Jul 1997 Coliform (TCR) Resolved
Jan 1996 Lead and Copper Rule Open
Jan 1994 Lead and Copper Rule Open

Flood & environmental risk

Ness 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.

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

Where does Ness City's water come from?

Ness City's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,303 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Ness City residents can do

Install a water filter

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

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

Violation summary

7
Total violations
3
Health-based
5
Active / unresolved
Dec 2018
Most recent violation
Compliance Record

Violations & advisories

7 Total
5 Active
3 Health-based
2 Resolved
Violations by category
Lead and Copper Rule
4
Total Coliform Rule
2
Dec 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1996 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Aug 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2009
Jul 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1997
Environmental Risk

Drought conditions

D2 — severe drought

Ness 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)
18.4%
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

Ness 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

Recommended water filters

Based on contaminants detected in Ness City'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) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.62 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 3.0 ppb from 1997 (3.0 ppb) to 2024 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.186 mg/L from 1995 (1.439 mg/L) to 1996 (1.625 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,303
Water Systems
1
Water Source

Where Ness City's water comes from

Groundwater

Ness City'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 1,303 people through 1 water system.

Infrastructure

Water systems serving Ness City

System Name PWSID Population Source
NESS CITY, CITY OF KS2013503 1,303 GW
Regional Comparison

How Ness City compares

Full Kansas rankings →

Ness City's score of 81.6/100 is above the average of 62/100 among major Kansas cities. It outscores 8 of 10 nearby cities.

Ness City (this city)
81.6
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Ness City, KS

Wikipedia →

Ness City is a city in and the county seat of Ness County, Kansas, United States. As of the 2020 census, the population of the city was 1,329. Ness City is famous for its four-story Old Ness County Bank Building located downtown and nicknamed Skyscraper of the Plains.

Economic Profile
$77,917
Median Income
$104,854
Median Home Value
$575/mo
Median Rent
0.4%
Unemployment
Community
46.9
Median Age
330
People / sq mi
26.1%
College Educated
83.7%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Ness City, KS tap water safe to drink?

Ness City's water quality earned a grade of B+ (81.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #142 out of 323 cities tested in Kansas.

What contaminants are in Ness City's water?

Lead was measured at 0.0 ppb (90th percentile). 7 violations are on record.

How is Ness City'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 Ness City?

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

Where does Ness City's water come from?

Ness City's water is sourced from Groundwater. The city has 1 water system serving approximately 1,303 residents.

What health violations has Ness City's water system had?

Ness City has 3 health-based violations on record. The most recent violation was recorded in December 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.

Is Ness City's groundwater at risk of contamination?

Ness City 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 Ness City's water compare to other cities?

Ness City ranks #142 out of 323 cities in Kansas (better than 56% of state cities) and #7402 out of 15744 cities nationally (53th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ness City's small water system affect quality?

Ness City's system serves approximately 1,303 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.