WaterVerge

Is Corning, OH Tap Water Safe to Drink?

Graded B, with 18 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 6 water systems PWSID: OH6401603
Overall Score
78.8 / 100
Violations
18 active
Last Updated
May 2026
Source
Purchased ground water
#295 of 511 in Ohio Top 54% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.8/100
waterverge.com
B 78.8/100

Corning, OH — Water Quality Report

Corning's drinking water received a grade of B (78.8 out of 100), indicating good water quality. The city's 6 water systems serve approximately 5,200 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 47 violations on record, including 13 health-based violations. 18 remain unresolved.

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

What to know about Corning's water

Corning ranks #295 out of 511 cities in Ohio for water quality, placing it below average in the state.

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

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 →
78.8 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
28.8/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Corning, OH water safe to drink?

Concerns Identified

Corning's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 6 water systems serve approximately 5,200 residents using groundwater (wells).

18
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
4 events
Disaster History

Recent water quality updates for Corning

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Corning's water quality assessment. Grade: B (78.8/100).

Violation
2 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

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 Corning's water supply.

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

Well within EPA limits.

Violation history

Corning's water system has 47 total violations on record, including 13 health-based violations. 18 remain unresolved. 6 violations were issued in the last 5 years.

OtherRPTMONMRMCL
Most recent violations:
Nov 2025 Consumer Confidence Rule Open
Nov 2025 Consumer Confidence Rule Open
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Nov 2023 Public Notice Open
Oct 2022 Revised Total Coliform Rule Resolved

Flood & environmental risk

Perry 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. Local water sources include Sunday Creek Near Burr Oak, Sunday Creek At Glouster.

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 Corning's water come from?

Corning's drinking water comes from groundwater (wells), supplied by 6 water systems serving approximately 5,200 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sunday Creek Near Burr Oak (river), Sunday Creek At Glouster (river).

What Corning residents can do

Install a water filter

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

Corning'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
PFAS Testing

Forever chemicals overview

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

Violation summary

47
Total violations
13
Health-based
18
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

47 Total
18 Active
13 Health-based
29 Resolved
5 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
13
Total Coliform Rule
11
Consumer Confidence Rule
8
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Public Notice Rule and Revised PN Rule
3
Nov 2025 Active
Consumer Confidence Rule
Other Violation 0
Nov 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Nov 2023 Active
Public Notice
Other Violation 0
Jan 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2020 Active
Consumer Confidence Rule
Other Violation 0
Dec 2018 Active
Consumer Confidence Rule
Other Violation 0
Feb 2018 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Apr 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Oct 2022 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2022
Jan 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2022
Showing 20 of 47 violations
Environmental Risk

Flood & disaster history

4
Declared disasters
Apr 2019
Most recent
Flood
Most common type

Perry 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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
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 2.7 ppb from 1993 (4.0 ppb) to 2025 (1.3 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
5,200
Water Systems
6
Water Source

Where Corning's water comes from

Purchased Groundwater

Corning 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 Corning'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 5,200 people through 6 water systems.

Local Hydrology

Water bodies near Corning

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

Sunday Creek Near Burr Oak
river
Sunday Creek At Glouster
river
Infrastructure

Water systems serving Corning

System Name PWSID Population Source
SOUTHERN PERRY CO-CONGO OH6401603 4,029 GWP
CORNING, VILLAGE OF OH6400003 563 GWP
SOUTHERN PERRY CO-HEMLOCK OH6401803 305 GWP
SOUTHERN PERRY CO-MILLERTOWN OH6401903 146 GWP
SOUTHERN PERRY CO-IRISH RIDGE OH6434912 98 GWP
SOUTHERN PERRY CO-BUCKINGHAM OH6401503 59 GWP
Regional Comparison

How Corning compares

Full Ohio rankings →

Corning's score of 78.8/100 is above the average of 58/100 among major Ohio cities. It outscores 9 of 10 nearby cities.

Corning (this city)
78.8
Columbus
35.5
Cleveland
85.5
Cincinnati
36.8
Toledo
78
Kent
38.2
Ohio avg
58
City Profile

About Corning, OH

Wikipedia →

Corning is a village in Perry County, Ohio, United States. The population was 488 at the 2020 census.

Economic Profile
$37,500
Median Income
$57,662
Median Home Value
$650/mo
Median Rent
8.6%
Unemployment
Community
38
Median Age
426
People / sq mi
2.7%
College Educated
76.1%
Homeownership
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Frequently asked questions

Is Corning, OH tap water safe to drink?

Corning's water quality earned a grade of B (78.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #295 out of 511 cities tested in Ohio.

What contaminants are in Corning's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 47 violations are on record.

How is Corning'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 Corning?

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

Where does Corning's water come from?

Corning's water is sourced from Purchased ground water. The city has 6 water systems serving approximately 5,200 residents.

What health violations has Corning's water system had?

Corning has 13 health-based violations on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 18 violations remain unresolved.

Is Corning's groundwater at risk of contamination?

Corning 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 47 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 Corning's water compare to other cities?

Corning ranks #295 out of 511 cities in Ohio (better than 42% of state cities) and #8509 out of 15744 cities nationally (46th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.