WaterVerge

Is Norton, 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 ↓

3K residents served 1 water system PWSID: KS2013702
Overall Score
72.5 / 100
Violations
8 active
Last Updated
May 2026
Source
Surface water
#228 of 323 in Kansas Top 66% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
72.5/100
waterverge.com
B- 72.5/100

Norton, KS — Water Quality Report

Norton's drinking water received a grade of B- (72.5 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,758 residents using surface water.

Lead levels were measured at 1.2 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 84 violations on record, including 43 health-based violations. 8 remain unresolved.

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

What to know about Norton's water

Norton ranks #228 out of 323 cities in Kansas for water quality, placing it below average 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.

As a small community water system, Norton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
72.5 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
27.5/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.2 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Norton, KS water safe to drink?

Concerns Identified

Norton's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (72.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,758 residents using surface water (rivers, lakes, or reservoirs).

8
Active Violations
1.2 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Norton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Norton's water quality assessment. Grade: B- (72.5/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
HURRICANE KATRINA EVACUATION

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

Key contaminant findings

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

Lead Within Limits
Detected: 1.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.10 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

Norton's water system has 84 total violations on record, including 43 health-based violations. 8 remain unresolved. 7 violations were issued in the last 5 years.

MCLMRTTOther
Most recent violations:
Oct 2023 TTHM Resolved
Jan 2023 TTHM Resolved
Oct 2022 TTHM Resolved
Oct 2022 Total Haloacetic Acids (HAA5) Resolved
Apr 2021 Chlorite Resolved

Flood & environmental risk

Norton County has experienced 1 federally declared disaster since 2005. 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

Where does Norton's water come from?

Norton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,758 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Norton residents can do

Install a water filter

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

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
1.2 ppb
EPA Action Level: 15 ppb · 8% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.10 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

84
Total violations
43
Health-based
8
Active / unresolved
Oct 2023
Most recent violation
Compliance Record

Violations & advisories

84 Total
8 Active
43 Health-based
76 Resolved
4 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
29
Volatile Organic Chemicals
23
Stage 2 Disinfectants and Disinfection Byproducts Rule
9
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
6
Radionuclides and Revised Rad Rule
6
Aug 2017 Active
Public Notice
Other Violation 0
Aug 2017 Active
Public Notice
Other Violation 0
Aug 2017 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2008 Active
Public Notice
Other Violation 0
Jul 1995 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
Oct 2023 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2023
Jan 2023 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2023
Oct 2022 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Oct 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Apr 2021 Resolved
Chlorite
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2021
Jan 2021 Resolved
Chlorite
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2021
Jan 2021 Resolved
Chlorine dioxide
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jan 2021
Oct 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2018
Jun 2018 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 2018
Oct 2017 Resolved
Chlorite
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2017
Jun 2016 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2016
Apr 2016 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2016
Showing 20 of 84 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Norton 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)
22.0%
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

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Norton County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3236

Recommended water filters

Based on contaminants detected in Norton'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) 1.2 15 ppb Inorganic Safe
Copper (90th percentile) 2.10 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 70.8 ppb from 1993 (72.0 ppb) to 2025 (1.2 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.998 mg/L from 1993 (3.098 mg/L) to 2023 (2.100 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
2,758
Water Systems
1
Water Source

Where Norton's water comes from

Surface Water

Norton'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 2,758 people through 1 water system.

Infrastructure

Water systems serving Norton

System Name PWSID Population Source
NORTON, CITY OF KS2013702 2,758 SW
Regional Comparison

How Norton compares

Full Kansas rankings →

Norton's score of 72.5/100 is above the average of 62/100 among major Kansas cities. It outscores 5 of 10 nearby cities.

Norton (this city)
72.5
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Norton, KS

Economic Profile
$52,822
Median Income
$100,862
Median Home Value
$760/mo
Median Rent
0%
Unemployment
Community
34.3
Median Age
552
People / sq mi
25.5%
College Educated
72.3%
Homeownership
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Frequently asked questions

Is Norton, KS tap water safe to drink?

Norton's water quality earned a grade of B- (72.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #228 out of 323 cities tested in Kansas.

What contaminants are in Norton's water?

Lead was measured at 1.2 ppb (90th percentile). 84 violations are on record.

How is Norton'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 Norton?

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

Where does Norton's water come from?

Norton's water is sourced from Surface water. The city has 1 water system serving approximately 2,758 residents.

What health violations has Norton's water system had?

Norton has 43 health-based violations on record. The most recent violation was recorded in October 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

How does Norton's water compare to other cities?

Norton ranks #228 out of 323 cities in Kansas (better than 29% of state cities) and #10302 out of 15744 cities nationally (35th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Norton's small water system affect quality?

Norton's system serves approximately 2,758 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 84 violations on record.