WaterVerge

Is Clarksburg, OH Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

500 residents served 1 water system PWSID: OH7100212
Overall Score
92.4 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#16 of 511 in Ohio Top 8% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.4/100
waterverge.com
A 92.4/100

Clarksburg, OH — Water Quality Report

Clarksburg's drinking water received a grade of A (92.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 500 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 30 violations on record, including 6 health-based violations. 3 remain unresolved.

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

What to know about Clarksburg's water

Clarksburg ranks #16 out of 511 cities in Ohio for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
92.4 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.4/45
A
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Clarksburg, OH water safe to drink?

Concerns Identified

Clarksburg's drinking water has significant quality concerns based on EPA testing data. With a grade of A (92.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 500 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Clarksburg

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Clarksburg's water quality assessment. Grade: A (92.4/100).

Disaster
SEVERE STORMS, FLOODING, AND LANDSLIDES

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Clarksburg's water system has 30 total violations on record, including 6 health-based violations. 3 remain unresolved.

OtherMCLMR
Most recent violations:
Jan 2019 Consumer Confidence Rule Open
Jul 2001 Consumer Confidence Rule Open
Sep 2000 Coliform (TCR) Resolved
Sep 2000 Coliform (TCR) Resolved
Mar 1997 Coliform (TCR) Resolved

Flood & environmental risk

Ross County has experienced 3 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. Local water sources include Deer Creek Near Pancoastburg, Deer Creek At Williamsport.

SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA DR-4424
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3250
HEAVY RAINS & FLOODING
Flood FEMA DR-243

Where does Clarksburg's water come from?

Clarksburg's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 500 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Deer Creek Near Pancoastburg (river), Deer Creek At Williamsport (river).

What Clarksburg residents can do

Install a water filter

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

Clarksburg'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

30
Total violations
6
Health-based
3
Active / unresolved
Jan 2019
Most recent violation
Compliance Record

Violations & advisories

30 Total
3 Active
6 Health-based
27 Resolved
Violations by category
Inorganic Chemicals
9
Total Coliform Rule
8
Synthetic Organic Chemicals
6
Consumer Confidence Rule
2
Nitrate Rule
2
Jan 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Sep 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2000
Sep 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2000
Mar 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 1997
Mar 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 1997
Jul 1994 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1992 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Jan 1992 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Jan 1992 Resolved
2,4,5-TP
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Jan 1992 Resolved
2,4-D
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Jan 1992 Resolved
Methoxychlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Jan 1992 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1992
Oct 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1991
Oct 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1991
Sep 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1991
Sep 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1991
Jan 1988 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1989
Dec 1986 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1989
Showing 20 of 30 violations
Environmental Risk

Flood & disaster history

3
Declared disasters
Apr 2019
Most recent
Flood
Most common type

Ross County has experienced 3 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
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3250
Jun 1968
HEAVY RAINS & FLOODING
Flood FEMA #243

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 3.1 ppb from 1993 (3.1 ppb) to 2024 (0.0 ppb).
Contaminant Rankings

See how Clarksburg compares by contaminant

Explore where Clarksburg ranks among all Ohio cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
500
Water Systems
1
Water Source

Where Clarksburg's water comes from

Groundwater

Clarksburg'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 500 people through 1 water system.

Local Hydrology

Water bodies near Clarksburg

Clarksburg is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Deer Creek Near Pancoastburg
river
Deer Creek At Williamsport
river
Infrastructure

Water systems serving Clarksburg

System Name PWSID Population Source
CLARKSBURG VILLAGE PWS OH7100212 500 GW
Regional Comparison

How Clarksburg compares

Full Ohio rankings →

Clarksburg's score of 92.4/100 is above the average of 58/100 among major Ohio cities. It outscores 10 of 10 nearby cities.

Clarksburg (this city)
92.4
Columbus
35.5
Cleveland
85.5
Cincinnati
36.8
Toledo
78
Kent
38.2
Ohio avg
58
City Profile

About Clarksburg, OH

Wikipedia →

Clarksburg is a village in Ross County, Ohio, United States. The population was 409 at the 2020 census.

Economic Profile
$36,250
Median Income
$94,209
Median Home Value
$1,075/mo
Median Rent
27.9%
Unemployment
Community
27.4
Median Age
630
People / sq mi
3%
College Educated
48.7%
Homeownership
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Frequently asked questions

Is Clarksburg, OH tap water safe to drink?

Clarksburg's water quality earned a grade of A (92.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #16 out of 511 cities tested in Ohio.

What contaminants are in Clarksburg's water?

Lead was measured at 0.0 ppb (90th percentile). 30 violations are on record.

How is Clarksburg'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 Clarksburg?

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

Where does Clarksburg's water come from?

Clarksburg's water is sourced from Groundwater. The city has 1 water system serving approximately 500 residents.

What health violations has Clarksburg's water system had?

Clarksburg has 6 health-based violations on record. The most recent violation was recorded in January 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Clarksburg's groundwater at risk of contamination?

Clarksburg 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 30 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 Clarksburg's water compare to other cities?

Clarksburg ranks #16 out of 511 cities in Ohio (better than 97% of state cities) and #1267 out of 15744 cities nationally (92th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Clarksburg's small water system affect quality?

Clarksburg's system serves approximately 500 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 30 violations on record.