WaterVerge

Is Versailles, MO Tap Water Safe to Drink?

Graded B-, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: MO3010819
Overall Score
74.3 / 100
Violations
14 active
Last Updated
May 2026
Source
Groundwater
#372 of 509 in Missouri Top 63% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
74.3/100
waterverge.com
B- 74.3/100

Versailles, MO — Water Quality Report

Versailles's drinking water received a grade of B- (74.3 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 2,589 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 64 violations on record, including 13 health-based violations. 14 remain unresolved.

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

What to know about Versailles's water

Versailles ranks #372 out of 509 cities in Missouri for water quality, placing it below average in the state.

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

The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
74.3 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
27.3/45
C
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
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Versailles, MO water safe to drink?

Concerns Identified

Versailles's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,589 residents using groundwater (wells).

14
Active Violations
0.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Versailles

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Versailles's water quality assessment. Grade: B- (74.3/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

Violation
1 drinking water violation recorded

Contaminants: Groundwater Rule.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING

Federal disaster declaration (FEMA DR-4317). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4250). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Versailles's water system has 64 total violations on record, including 13 health-based violations. 14 remain unresolved. 10 violations were issued in the last 5 years.

MONTTOtherMRMCL
Most recent violations:
Apr 2025 Revised Total Coliform Rule Resolved
Nov 2024 Groundwater Rule Open
Aug 2024 Groundwater Rule Open
Dec 2023 Lead and Copper Rule Open
Aug 2023 Public Notice Open

Flood & environmental risk

Morgan County has experienced 6 federally declared disasters since 1986. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA DR-4317
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4250
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-3374

Where does Versailles's water come from?

Versailles's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,589 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Versailles residents can do

Install a water filter

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

Versailles'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

64
Total violations
13
Health-based
14
Active / unresolved
Apr 2025
Most recent violation
Compliance Record

Violations & advisories

64 Total
14 Active
13 Health-based
50 Resolved
Violations by category
Total Coliform Rule
22
Volatile Organic Chemicals
21
Revised Total Coliform Rule
6
Consumer Confidence Rule
6
Ground Water Rule
2
Nov 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2024 Active
Groundwater Rule
Other Violation 0
Dec 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2023 Active
Public Notice
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
May 2021 Active
Public Notice
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2007 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Apr 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2025
Jun 2022 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2022
Jan 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2021
Mar 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Mar 2020
Oct 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2016
Aug 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2016
Showing 20 of 64 violations
Industrial pollution

Top industrial polluters within 10 miles of Versailles

Industrial polluters nearby

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

Total reported releases to surface water: 2 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
GATES CORP
Fabricated Metals · GATES CORP
VERSAILLES, MO65084
Zinc compounds21.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

6
Declared disasters
Jun 2017
Most recent
Flood
Most common type

Morgan County has experienced 6 federally declared disasters since 1986. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jun 2017
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA #4317
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4250
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #3374
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #779

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 0.0 ppb from 1993 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,589
Water Systems
2
Water Source

Where Versailles's water comes from

Groundwater

Versailles'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 2,589 people through 2 water systems.

Infrastructure

Water systems serving Versailles

System Name PWSID Population Source
VERSAILLES PWS MO3010819 2,539 GW
ZWANZIG MHP MO3041171 50 GW
Regional Comparison

How Versailles compares

Full Missouri rankings →

Versailles's score of 74.3/100 is above the average of 62/100 among major Missouri cities. It outscores 5 of 10 nearby cities.

Versailles (this city)
74.3
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Versailles, MO

Wikipedia →

Versailles is a city in and the county seat of Morgan County, Missouri, United States. The population was 2,539 at the 2020 census.

Economic Profile
$27,202
Median Income
$95,650
Median Home Value
$470/mo
Median Rent
5.6%
Unemployment
Community
45.1
Median Age
423
People / sq mi
11.7%
College Educated
54.5%
Homeownership
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Frequently asked questions

Is Versailles, MO tap water safe to drink?

Versailles's water quality earned a grade of B- (74.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #372 out of 509 cities tested in Missouri.

What contaminants are in Versailles's water?

Lead was measured at 0.0 ppb (90th percentile). 64 violations are on record.

How is Versailles'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 Versailles?

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

Where does Versailles's water come from?

Versailles's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,589 residents.

What health violations has Versailles's water system had?

Versailles has 13 health-based violations on record. The most recent violation was recorded in April 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.

Is Versailles's groundwater at risk of contamination?

Versailles 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 64 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 Versailles's water compare to other cities?

Versailles ranks #372 out of 509 cities in Missouri (better than 27% of state cities) and #9887 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.