WaterVerge

Is Milan, MO Tap Water Safe to Drink?

Graded A-, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 2 water systems PWSID: MO2010523
Overall Score
87.6 / 100
Violations
1 active
Last Updated
May 2026
Source
Purchased surface water
#159 of 509 in Missouri Top 25% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.6/100
waterverge.com
A- 87.6/100

Milan, MO — Water Quality Report

Milan's drinking water received a grade of A- (87.6 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,844 residents using purchased surface water.

Lead levels were measured at 1.1 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 1 health-based violation. 1 remains unresolved.

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

What to know about Milan's water

Milan ranks #159 out of 509 cities in Missouri for water quality, placing it mid-range 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, Milan 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 →
87.6 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
38.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.1 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: Purchased surface water.
Water Safety

Is Milan, MO water safe to drink?

Use Caution

Milan's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (87.6/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 1,844 residents using surface water (rivers, lakes, or reservoirs).

1
Active Violations
1.1 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Milan

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Milan's water quality assessment. Grade: A- (87.6/100).

Violation
3 drinking water violations recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3232). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-995). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Milan's water system has 7 total violations on record, including 1 health-based violation. 1 remain unresolved. 6 violations were issued in the last 5 years.

MRRPTMONMCL
Most recent violations:
Sep 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Sep 2025 Surface Water Treatment Rule Resolved
Sep 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Aug 2023 Revised Total Coliform Rule Resolved

Flood & environmental risk

Sullivan 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 East Locust Creek Near Boynton.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3232
SEVERE STORMS & FLOODING
Flood FEMA DR-995

Where does Milan's water come from?

Milan's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 1,844 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include East Locust Creek Near Boynton (river).

What Milan residents can do

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
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

7
Total violations
1
Health-based
1
Active / unresolved
Sep 2025
Most recent violation
Compliance Record

Violations & advisories

7 Total
1 Active
1 Health-based
6 Resolved
Violations by category
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
2
Surface Water Treatment Rule
1
Lead and Copper Rule Revisions
1
Revised Total Coliform Rule
1
Stage 2 Disinfectants and Disinfection Byproducts Rule
1
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Sep 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Sep 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Sep 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Aug 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2023
Apr 2022 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2022
Sep 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Industrial pollution

Top industrial polluters within 10 miles of Milan

Industrial polluters nearby

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

Total reported releases to surface water: 341,370 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
SMITHFIELD FRESH MEATS CORP - MILAN MO
Food · UNITED GLOBAL FOODS US HOLDINGS INC
MILAN, MO63556
Nitrate compounds (water dissociable; reportable only when in aqueous solution)341,3705.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Sullivan 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 #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.1 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 increased by 1.1 ppb from 1993 (0.0 ppb) to 2024 (1.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,844
Water Systems
2
Source breakdown
Purchased Surface Water
1
Surface Water
1
Water Source

Where Milan's water comes from

Purchased Surface Water

Milan'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 1,844 people through 2 water systems.

Local Hydrology

Water bodies near Milan

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

East Locust Creek Near Boynton
river
Infrastructure

Water systems serving Milan

System Name PWSID Population Source
MILAN PWS MO2010523 1,819 SWP
NORTH CENTRAL MO REGIONAL WATER COM MO2021537 25 SW
Regional Comparison

How Milan compares

Full Missouri rankings →

Milan's score of 87.6/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.

Milan (this city)
87.6
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Milan, MO

Wikipedia →

Milan is a city in Sullivan County, Missouri, United States. The population was 1,819 at the 2020 census. It is the county seat of Sullivan County.

Economic Profile
$51,842
Median Income
$82,106
Median Home Value
$726/mo
Median Rent
4.4%
Unemployment
Community
41.3
Median Age
433
People / sq mi
10.7%
College Educated
57.8%
Homeownership
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Frequently asked questions

Is Milan, MO tap water safe to drink?

Milan's water quality earned a grade of A- (87.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #159 out of 509 cities tested in Missouri.

What contaminants are in Milan's water?

Lead was measured at 1.1 ppb (90th percentile). 7 violations are on record.

How is Milan'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 Milan?

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

Where does Milan's water come from?

Milan's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 1,844 residents.

What health violations has Milan's water system had?

Milan has 1 health-based violation on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Milan's water compare to other cities?

Milan ranks #159 out of 509 cities in Missouri (better than 69% of state cities) and #3952 out of 15744 cities nationally (75th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.