WaterVerge

Is West Milton, OH 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 ↓

5K residents served 1 water system PWSID: OH5501711
Overall Score
80 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased ground water
#272 of 511 in Ohio Top 51% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
80/100
waterverge.com
B+ 80/100

West Milton, OH — Water Quality Report

West Milton's drinking water received a grade of B+ (80 out of 100), indicating good water quality. The city's 1 water system serves approximately 4,890 residents using purchased ground water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 86 violations on record, including 54 health-based violations. 4 remain unresolved.

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

What to know about West Milton's water

West Milton ranks #272 out of 511 cities in Ohio for water quality, placing it below average in the state.

West Milton purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

Quality Breakdown

Water quality score

See methodology →
80 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
15/20
B
No PFAS compounds detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is West Milton, OH water safe to drink?

Concerns Identified

West Milton's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 4,890 residents using groundwater (wells).

4
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
1 event
Disaster History

Recent water quality updates for West Milton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into West Milton's water quality assessment. Grade: B+ (80/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3250). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 50.00 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

West Milton's water system has 86 total violations on record, including 54 health-based violations. 4 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMCLTT
Most recent violations:
Dec 2021 Consumer Confidence Rule Open
Jan 2020 Consumer Confidence Rule Open
Feb 2014 Coliform (TCR) Resolved
Mar 2004 Coliform (TCR) Resolved
Mar 2004 Coliform (TCR) Resolved

Flood & environmental risk

Miami 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. Local water sources include Great Miami River At Troy, Greenville Creek Near Bradford, Stillwater River At Pleasant Hill, Stillwater River At Englewood.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3250

Where does West Milton's water come from?

West Milton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 4,890 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Great Miami River At Troy (river), Greenville Creek Near Bradford (river), Stillwater River At Pleasant Hill (river), Stillwater River At Englewood (river).

What West Milton residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in West Milton'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
50.00 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

86
Total violations
54
Health-based
4
Active / unresolved
Dec 2021
Most recent violation
Compliance Record

Violations & advisories

86 Total
4 Active
54 Health-based
82 Resolved
Violations by category
Surface Water Treatment Rule
52
Total Coliform Rule
9
Inorganic Chemicals
9
Nitrate Rule
7
Synthetic Organic Chemicals
3
Dec 2021 Active
Consumer Confidence Rule
Other Violation 0
Jan 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Feb 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2014
Mar 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2004
Mar 2004 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2004
Jun 2003 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Jun 2003
May 2003 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved May 2003
Apr 2003 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Apr 2003
Mar 2003 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Aug 2003
Jan 2003 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Jan 2003
Jul 2002 Resolved
Nickel
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2002
Jul 2002 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2002
Jul 2002 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2002
May 2001 Resolved
LASSO
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2001
May 2001 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2001
May 2001 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2001
Jul 2000 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2000
Apr 2000 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Apr 2000
Showing 20 of 86 violations
Industrial pollution

Top industrial polluters within 10 miles of West Milton

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
HERAEUS EPURIO LLC
Chemicals · HERAEUS INC
VANDALIA, OH45377
9.3 mi
GREEN TOKAI CO LTD.
Transportation Equipment · GREEN TOKAI CO LTD
BROOKVILLE, OH45309
9.5 mi
MCGREGOR ASSOCIATES INC
Computers and Electronic Products · MCGREGOR ASSOCIATES
BROOKVILLE, OH45309
9.4 mi
DAP GLOBAL INC
Chemicals · RPM INTERNATIONAL INC
TIPP CITY, OH45371
8.2 mi
GOODRICH AIRCRAFT WHEELS & BRAKES
Transportation Equipment · RTX CORP
TROY, OH45373
7.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of West Milton

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Miami 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 #3250

Recommended water filters

Based on contaminants detected in West Milton'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) 50.00 1.3 mg/L Inorganic Over Limit
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.8 ppb from 1992 (5.8 ppb) to 2025 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 50.000 mg/L (2004)

EPA action level: 1.3 mg/L

Contaminant Rankings

See how West Milton compares by contaminant

Explore where West Milton ranks among all Ohio cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
4,890
Water Systems
1
Water Source

Where West Milton's water comes from

Purchased Groundwater

West Milton purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of West Milton's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 4,890 people through 1 water system.

Local Hydrology

Water bodies near West Milton

West Milton is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Great Miami River At Troy
river
Greenville Creek Near Bradford
river
Stillwater River At Pleasant Hill
river
Stillwater River At Englewood
river
Infrastructure

Water systems serving West Milton

System Name PWSID Population Source
WEST MILTON VILLAGE PWS OH5501711 4,890 GWP
Regional Comparison

How West Milton compares

Full Ohio rankings →

West Milton's score of 80/100 is above the average of 58/100 among major Ohio cities. It outscores 9 of 10 nearby cities.

West Milton (this city)
80
Columbus
35.5
Cleveland
85.5
Cincinnati
36.8
Toledo
78
Kent
38.2
Ohio avg
58
City Profile

About West Milton, OH

Wikipedia →

West Milton is a village in Miami County, Ohio, United States. The population was 4,697 at the 2020 census. It is part of the Dayton Metropolitan Statistical Area.

Economic Profile
$56,643
Median Income
$115,052
Median Home Value
$808/mo
Median Rent
2.9%
Unemployment
Community
40
Median Age
537
People / sq mi
14.5%
College Educated
73%
Homeownership
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Frequently asked questions

Is West Milton, OH tap water safe to drink?

West Milton's water quality earned a grade of B+ (80/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #272 out of 511 cities tested in Ohio.

What contaminants are in West Milton's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 86 violations are on record.

How is West Milton'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 West Milton?

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

Where does West Milton's water come from?

West Milton's water is sourced from Purchased ground water. The city has 1 water system serving approximately 4,890 residents.

What health violations has West Milton's water system had?

West Milton has 54 health-based violations on record. The most recent violation was recorded in December 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is West Milton's groundwater at risk of contamination?

West Milton 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 86 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 West Milton's water compare to other cities?

West Milton ranks #272 out of 511 cities in Ohio (better than 47% of state cities) and #8051 out of 15744 cities nationally (49th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.