WaterVerge

Is Chesterhill, 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 ↓

823 residents served 1 water system PWSID: OH5800112
Overall Score
82.3 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#211 of 511 in Ohio Top 45% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.3/100
waterverge.com
B+ 82.3/100

Chesterhill, OH — Water Quality Report

Chesterhill's drinking water received a grade of B+ (82.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 823 residents using groundwater.

Lead levels were measured at 3.3 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 20 violations on record, including 0 health-based violations. 7 remain unresolved.

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

What to know about Chesterhill's water

Chesterhill ranks #211 out of 511 cities in Ohio for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
82.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
14/20
C
Lead at 3.3 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 Chesterhill, OH water safe to drink?

Concerns Identified

Chesterhill's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 823 residents using groundwater (wells).

7
Active Violations
3.3 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Chesterhill

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Chesterhill's water quality assessment. Grade: B+ (82.3/100).

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: 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 Chesterhill's water supply.

Lead Within Limits
Detected: 3.3 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 125.50 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

Chesterhill's water system has 20 total violations on record, including 0 health-based violations. 7 remain unresolved. 2 violations were issued in the last 5 years.

OtherMR
Most recent violations:
Sep 2022 Consumer Confidence Rule Open
Oct 2021 Consumer Confidence Rule Open
Oct 2020 Consumer Confidence Rule Open
Feb 2020 Consumer Confidence Rule Open
Jan 2019 Consumer Confidence Rule Open

Flood & environmental risk

Morgan 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 Chesterhill's water come from?

Chesterhill's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 823 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Chesterhill residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Chesterhill'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
3.3 ppb
EPA Action Level: 15 ppb · 22% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
125.50 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

20
Total violations
0
Health-based
7
Active / unresolved
Sep 2022
Most recent violation
Compliance Record

Violations & advisories

20 Total
7 Active
0 Health-based
13 Resolved
Violations by category
Synthetic Organic Chemicals
12
Consumer Confidence Rule
6
Total Coliform Rule
1
Sep 2022 Active
Consumer Confidence Rule
Other Violation 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2020 Active
Consumer Confidence Rule
Other Violation 0
Feb 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1994
Jan 1991 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
Methoxychlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
2,4-D
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
2,4,5-TP
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
2,4-D
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
2,4,5-TP
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jan 1991 Resolved
Methoxychlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Environmental Risk

Flood & disaster history

4
Declared disasters
Apr 2019
Most recent
Flood
Most common type

Morgan 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 Chesterhill'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) 3.3 15 ppb Inorganic Safe
Copper (90th percentile) 125.50 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 5.4 ppb from 1993 (8.7 ppb) to 2025 (3.3 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 124.100 mg/L from 1994 (1.400 mg/L) to 2005 (125.500 mg/L).
Contaminant Rankings

See how Chesterhill compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
823
Water Systems
1
Water Source

Where Chesterhill's water comes from

Groundwater

Chesterhill'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 823 people through 1 water system.

Infrastructure

Water systems serving Chesterhill

System Name PWSID Population Source
CHESTERHILL VILLAGE PWS OH5800112 823 GW
Regional Comparison

How Chesterhill compares

Full Ohio rankings →

Chesterhill's score of 82.3/100 is above the average of 58/100 among major Ohio cities. It outscores 9 of 10 nearby cities.

Chesterhill (this city)
82.3
Columbus
35.5
Cleveland
85.5
Cincinnati
36.8
Toledo
78
Kent
38.2
Ohio avg
58
City Profile

About Chesterhill, OH

Wikipedia →

Chesterhill is a village in Morgan County, Ohio, United States. The population was 276 at the 2020 census.

Economic Profile
$51,667
Median Income
$112,754
Median Home Value
$775/mo
Median Rent
5.1%
Unemployment
Community
32.8
Median Age
229
People / sq mi
14%
College Educated
79.6%
Homeownership
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Frequently asked questions

Is Chesterhill, OH tap water safe to drink?

Chesterhill's water quality earned a grade of B+ (82.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #211 out of 511 cities tested in Ohio.

What contaminants are in Chesterhill's water?

Lead was measured at 3.3 ppb (90th percentile). 20 violations are on record.

How is Chesterhill'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 Chesterhill?

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

Where does Chesterhill's water come from?

Chesterhill's water is sourced from Groundwater. The city has 1 water system serving approximately 823 residents.

Is Chesterhill's groundwater at risk of contamination?

Chesterhill 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 20 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 Chesterhill's water compare to other cities?

Chesterhill ranks #211 out of 511 cities in Ohio (better than 59% of state cities) and #7061 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Chesterhill's small water system affect quality?

Chesterhill's system serves approximately 823 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 20 violations on record.