WaterVerge

Is Glendale, OH Tap Water Safe to Drink?

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 1 water system PWSID: OH3100712
Overall Score
85.5 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#125 of 511 in Ohio Top 34% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.5/100
waterverge.com
A- 85.5/100

Glendale, OH — Water Quality Report

Glendale's drinking water received a grade of A- (85.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,500 residents using groundwater.

Lead levels were measured at 0.7 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 10 violations on record, including 0 health-based violations. 4 remain unresolved.

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

What to know about Glendale's water

Glendale ranks #125 out of 511 cities in Ohio for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
85.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.7 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 Glendale, OH water safe to drink?

Concerns Identified

Glendale's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,500 residents using groundwater (wells).

4
Active Violations
0.7 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Glendale

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Glendale's water quality assessment. Grade: A- (85.5/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Nitrate.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS, LANDSLIDES, AND MUDSLIDES

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

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 Glendale's water supply.

Lead Within Limits
Detected: 0.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 46.70 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

Glendale's water system has 10 total violations on record, including 0 health-based violations. 4 remain unresolved. 2 violations were issued in the last 5 years.

OtherMR
Most recent violations:
Nov 2023 Public Notice Open
Jul 2022 Nitrate Resolved
Dec 2018 Consumer Confidence Rule Open
Jul 2013 Coliform (TCR) Resolved
Feb 2009 Coliform (TCR) Resolved

Flood & environmental risk

Hamilton County has experienced 5 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 Mill Creek At Kemper Road At Sharonville, Mill Creek At East Sharon Rd At Sharonville, Sharon Creek At Sharonville, Mill Creek At Evendale, Mill Creek At Reading.

SEVERE STORMS, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4360
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3250
FLOODING
Flood FEMA DR-1122

Where does Glendale's water come from?

Glendale's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,500 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Mill Creek At Kemper Road At Sharonville (river), Mill Creek At East Sharon Rd At Sharonville (river), Sharon Creek At Sharonville (river), Mill Creek At Evendale (river), Mill Creek At Reading (river).

What Glendale residents can do

Install a water filter

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

Glendale'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
0.7 ppb
EPA Action Level: 15 ppb · 5% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
46.70 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

10
Total violations
0
Health-based
4
Active / unresolved
Nov 2023
Most recent violation
Compliance Record

Violations & advisories

10 Total
4 Active
0 Health-based
6 Resolved
Violations by category
Nitrate Rule
4
Total Coliform Rule
2
Lead and Copper Rule
2
Public Notice Rule and Revised PN Rule
1
Consumer Confidence Rule
1
Nov 2023 Active
Public Notice
Other Violation 0
Dec 2018 Active
Consumer Confidence Rule
Other Violation 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2022
Jul 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2013
Feb 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2009
Jan 2002 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2002
Jan 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1993
Jan 1993 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1993
Industrial pollution

Top industrial polluters within 10 miles of Glendale

Industrial polluters nearby

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

Total reported releases to surface water: 497 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
GE AEROSPACE EVENDALE PLANT
Transportation Equipment · GENERAL ELECTRIC CO (GE CO)
CINCINNATI, OH45215
Nickel3231.9 mi
SHEPHERD CHEMICAL CO
Chemicals · THE SHEPHERD MATERIAL SCIENCE CO
CINCINNATI, OH45212
Nitrate compounds (water dissociable; reportable only when in aqueous solution)957.4 mi
EMD MILLIPORE CORP
Chemical Wholesalers · EMD HOLDING CORP
CINCINNATI, OH45212
Methanol587.3 mi
THE SHEPHERD COLOR CO
Chemicals · THE SHEPHERD MATERIAL SCIENCE CO
CINCINNATI, OH45246
Zinc compounds112.9 mi
BAERLOCHER PRODUCTION USA LLC
Chemicals · BAERLOCHER CHEMICALS OF NORTH AMERICA INC
CINCINNATI, OH45232
Barium And Barium Compounds105.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Glendale

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

5
Declared disasters
Apr 2018
Most recent
Flood
Most common type

Hamilton County has experienced 5 federally declared disasters since 1968. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2018
SEVERE STORMS, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4360
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3250
Jun 1996
FLOODING
Flood FEMA #1122
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1097
Jun 1968
HEAVY RAINS & FLOODING
Flood FEMA #243

Recommended water filters

Based on contaminants detected in Glendale'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) 0.7 15 ppb Inorganic Safe
Copper (90th percentile) 46.70 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 6.2 ppb from 1993 (6.9 ppb) to 2023 (0.7 ppb).

Copper level (90th percentile)

Latest reading: 46.700 mg/L (2005)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,500
Water Systems
1
Water Source

Where Glendale's water comes from

Groundwater

Glendale'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 2,500 people through 1 water system.

Local Hydrology

Water bodies near Glendale

Glendale is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Mill Creek At Kemper Road At Sharonville
river
Mill Creek At East Sharon Rd At Sharonville
river
Sharon Creek At Sharonville
river
Mill Creek At Evendale
river
Mill Creek At Reading
river
Infrastructure

Water systems serving Glendale

System Name PWSID Population Source
GLENDALE VILLAGE PWS OH3100712 2,500 GW
Regional Comparison

How Glendale compares

Full Ohio rankings →

Glendale's score of 85.5/100 is above the average of 58/100 among major Ohio cities. It outscores 9 of 10 nearby cities.

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

About Glendale, OH

Economic Profile
$100,313
Median Income
$377,381
Median Home Value
$1,302/mo
Median Rent
4%
Unemployment
Community
49.3
Median Age
507
People / sq mi
65.5%
College Educated
78.6%
Homeownership
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Frequently asked questions

Is Glendale, OH tap water safe to drink?

Glendale's water quality earned a grade of A- (85.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #125 out of 511 cities tested in Ohio.

What contaminants are in Glendale's water?

Lead was measured at 0.7 ppb (90th percentile). 10 violations are on record.

How is Glendale'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 Glendale?

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

Where does Glendale's water come from?

Glendale's water is sourced from Groundwater. The city has 1 water system serving approximately 2,500 residents.

Is Glendale's groundwater at risk of contamination?

Glendale 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 10 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 Glendale's water compare to other cities?

Glendale ranks #125 out of 511 cities in Ohio (better than 76% of state cities) and #5292 out of 15744 cities nationally (66th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Glendale's small water system affect quality?

Glendale's system serves approximately 2,500 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 10 violations on record.