WaterVerge

Is Aurora, KS Tap Water Safe to Drink?

Graded B, with 21 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

526 residents served 2 water systems PWSID: KS2002901
Overall Score
76.2 / 100
Violations
21 active
Last Updated
May 2026
Source
Groundwater
#207 of 323 in Kansas Top 60% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
76.2/100
waterverge.com
B 76.2/100

Aurora, KS — Water Quality Report

Aurora's drinking water received a grade of B (76.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 526 residents using groundwater.

Lead levels were measured at 4.2 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 55 violations on record, including 19 health-based violations. 21 remain unresolved.

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

What to know about Aurora's water

Aurora ranks #207 out of 323 cities in Kansas for water quality, placing it below average in the state.

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

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
76.2 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
31.2/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.2 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Aurora, KS water safe to drink?

Concerns Identified

Aurora's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 526 residents using groundwater (wells).

21
Active Violations
4.2 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Aurora

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Aurora's water quality assessment. Grade: B (76.2/100).

Violation
2 drinking water violations recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper 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 Aurora's water supply.

Lead Within Limits
Detected: 4.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Aurora's water system has 55 total violations on record, including 19 health-based violations. 21 remain unresolved. 6 violations were issued in the last 5 years.

RPTMRMONMCLOther
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Nov 2023 Lead and Copper Rule Open
Apr 2023 Revised Total Coliform Rule Resolved

Flood & environmental risk

Cloud County has experienced 2 federally declared disasters since 1993. 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 Republican R.

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

Where does Aurora's water come from?

Aurora's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 526 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Republican R (river).

What Aurora residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
4.2 ppb
EPA Action Level: 15 ppb · 28% of limit
Safe Level
Compliance Record

Violation summary

55
Total violations
19
Health-based
21
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

55 Total
21 Active
19 Health-based
34 Resolved
Violations by category
Total Coliform Rule
16
Radionuclides and Revised Rad Rule
12
Public Notice Rule and Revised PN Rule
8
Consumer Confidence Rule
4
Lead and Copper Rule Revisions
3
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Nov 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2012 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2007 Active
Public Notice
Other Violation 0
Jul 2007 Active
Public Notice
Other Violation 0
Apr 2007 Active
Public Notice
Other Violation 0
Apr 2007 Active
Public Notice
Other Violation 0
Mar 2007 Active
Public Notice
Other Violation 0
Apr 2006 Active
Public Notice
Other Violation 0
Feb 2006 Active
Public Notice
Other Violation 0
Feb 2006 Active
Public Notice
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 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
Showing 20 of 55 violations
Industrial pollution

Top industrial polluters within 10 miles of Aurora

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CLOUD CERAMICS
Nonmetallic Mineral Product · GENERAL FINANCE INC
CONCORDIA, KS66901
8.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Cloud County has experienced 2 federally declared disasters since 1993. 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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.2 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 3.2 ppb from 2004 (3.2 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
526
Water Systems
2
Water Source

Where Aurora's water comes from

Groundwater

Aurora'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 526 people through 2 water systems.

Local Hydrology

Water bodies near Aurora

Aurora is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Republican R
river
Infrastructure

Water systems serving Aurora

System Name PWSID Population Source
CLOUD CO RWD 1 KS2002901 473 GW
AURORA, CITY OF KS2002906 53 GW
Regional Comparison

How Aurora compares

Full Kansas rankings →

Aurora's score of 76.2/100 is above the average of 62/100 among major Kansas cities. It outscores 7 of 10 nearby cities.

Aurora (this city)
76.2
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Aurora, KS

Wikipedia →

Concordia is a city in and the county seat of Cloud County, Kansas, United States. It is located along the Republican River in the Smoky Hills region of the Great Plains in North Central Kansas. As of the 2020 census, the population of the city was 5,111. Concordia is home of the Cloud County Community College and the Nazareth Convent and Academy.

Economic Profile
$53,750
Median Income
$46,923
Median Home Value
0%
Unemployment
Community
30.5
Median Age
86
People / sq mi
6.4%
College Educated
81.3%
Homeownership
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Frequently asked questions

Is Aurora, KS tap water safe to drink?

Aurora's water quality earned a grade of B (76.2/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #207 out of 323 cities tested in Kansas.

What contaminants are in Aurora's water?

Lead was measured at 4.2 ppb (90th percentile). 55 violations are on record.

How is Aurora'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 Aurora?

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

Where does Aurora's water come from?

Aurora's water is sourced from Groundwater. The city has 2 water systems serving approximately 526 residents.

What health violations has Aurora's water system had?

Aurora has 19 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 21 violations remain unresolved.

Is Aurora's groundwater at risk of contamination?

Aurora 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 55 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 Aurora's water compare to other cities?

Aurora ranks #207 out of 323 cities in Kansas (better than 36% of state cities) and #9378 out of 15744 cities nationally (40th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.