WaterVerge

Is Coalton, 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 ↓

663 residents served 1 water system PWSID: OH4000003
Overall Score
75.5 / 100
Violations
9 active
Last Updated
May 2026
Source
Purchased ground water
#359 of 511 in Ohio Top 61% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
75.5/100
waterverge.com
B 75.5/100

Coalton, OH — Water Quality Report

Coalton's drinking water received a grade of B (75.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 663 residents using purchased ground water.

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 21 violations on record, including 1 health-based violation. 9 remain unresolved.

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

What to know about Coalton's water

Coalton ranks #359 out of 511 cities in Ohio for water quality, placing it below average in the state.

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

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

Quality Breakdown

Water quality score

See methodology →
75.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Coalton, OH water safe to drink?

Concerns Identified

Coalton's drinking water has significant quality concerns based on EPA testing data. With a grade of B (75.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 663 residents using groundwater (wells).

9
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Coalton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Coalton's water quality assessment. Grade: B (75.5/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS, Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS, FLOODING, AND LANDSLIDES

Federal disaster declaration (FEMA DR-4424). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4360). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 10.00 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

Coalton's water system has 21 total violations on record, including 1 health-based violation. 9 remain unresolved. 4 violations were issued in the last 5 years.

OtherTTMR
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 Lead and Copper Rule Open
Jan 2023 Consumer Confidence Rule Open
Dec 2018 Consumer Confidence Rule Open

Flood & environmental risk

Jackson County has experienced 4 federally declared disasters since 1968. 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, FLOODING, AND LANDSLIDES
Flood FEMA DR-4424
SEVERE STORMS, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4360
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3250

Where does Coalton's water come from?

Coalton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 663 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Coalton residents can do

Install a water filter

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

Coalton'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
Copper (90th percentile)
Inorganic
Over Limit
10.00 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

21
Total violations
1
Health-based
9
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

21 Total
9 Active
1 Health-based
12 Resolved
Violations by category
Consumer Confidence Rule
5
Total Coliform Rule
5
Stage 2 Disinfectants and Disinfection Byproducts Rule
3
Former Total Trihalomethane Rule
3
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2023 Active
Consumer Confidence Rule
Other Violation 0
Dec 2018 Active
Consumer Confidence Rule
Other Violation 0
Jan 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2008 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2009
Oct 2008 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2009
Jan 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2007
Jul 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2006
Apr 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2006
Jun 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2005
Apr 2004 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2004
Apr 2004 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2004
Apr 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2003
Jan 2003 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2003
Apr 2002 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2002
Showing 20 of 21 violations
Industrial pollution

Top industrial polluters within 10 miles of Coalton

Industrial polluters nearby

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

Total reported releases to surface water: 1,404 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
GENERAL MILLS INC
Food · GENERAL MILLS INC
WELLSTON, OH45692
Ammonia1,4044.1 mi
OSCO INDUSTRIES INC JACKSON DIV
Primary Metals · OSCO INDUSTRIES INC
JACKSON, OH45640
Copper compounds04.1 mi
BELLISIO FOODS
Food · BELLISIO FOODS
JACKSON, OH45640
4.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

4
Declared disasters
Apr 2019
Most recent
Flood
Most common type

Jackson County has experienced 4 federally declared disasters since 1968. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2019
SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA #4424
Apr 2018
SEVERE STORMS, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4360
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3250
Jun 1968
HEAVY RAINS & FLOODING
Flood FEMA #243

Recommended water filters

Based on contaminants detected in Coalton'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) 10.00 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 0.0 ppb from 1993 (0.0 ppb) to 2025 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 10.000 mg/L (2005)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
663
Water Systems
1
Water Source

Where Coalton's water comes from

Purchased Groundwater

Coalton 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 Coalton'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 663 people through 1 water system.

Infrastructure

Water systems serving Coalton

System Name PWSID Population Source
COALTON OH4000003 663 GWP
Regional Comparison

How Coalton compares

Full Ohio rankings →

Coalton's score of 75.5/100 is above the average of 58/100 among major Ohio cities. It outscores 7 of 10 nearby cities.

Coalton (this city)
75.5
Columbus
35.5
Cleveland
85.5
Cincinnati
36.8
Toledo
78
Kent
38.2
Ohio avg
58
City Profile

About Coalton, OH

Economic Profile
$42,966
Median Income
36.4%
Unemployment
Community
53.5
Median Age
280
People / sq mi
4.9%
College Educated
59.3%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Coalton, OH tap water safe to drink?

Coalton's water quality earned a grade of B (75.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #359 out of 511 cities tested in Ohio.

What contaminants are in Coalton's water?

Lead was measured at 0.0 ppb (90th percentile). 21 violations are on record.

How is Coalton'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 Coalton?

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

Where does Coalton's water come from?

Coalton's water is sourced from Purchased ground water. The city has 1 water system serving approximately 663 residents.

What health violations has Coalton's water system had?

Coalton has 1 health-based violation 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. 9 violations remain unresolved.

Is Coalton's groundwater at risk of contamination?

Coalton 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 21 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 Coalton's water compare to other cities?

Coalton ranks #359 out of 511 cities in Ohio (better than 30% of state cities) and #9572 out of 15744 cities nationally (39th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Coalton's small water system affect quality?

Coalton's system serves approximately 663 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 21 violations on record.