WaterVerge

Is Seville, 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 ↓

2K residents served 2 water systems PWSID: OH5201412
Overall Score
77.7 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#321 of 511 in Ohio Top 57% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.7/100
waterverge.com
B 77.7/100

Seville, OH — Water Quality Report

Seville's drinking water received a grade of B (77.7 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,474 residents using groundwater.

Lead levels were measured at 3.2 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 97 violations on record, including 3 health-based violations. 6 remain unresolved.

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

What to know about Seville's water

Seville ranks #321 out of 511 cities in Ohio for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
77.7 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
33.7/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
14/20
C
Lead at 3.2 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 Seville, OH water safe to drink?

Concerns Identified

Seville's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,474 residents using groundwater (wells).

6
Active Violations
3.2 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Seville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Seville's water quality assessment. Grade: B (77.7/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

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 Seville's water supply.

Lead Within Limits
Detected: 3.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 88.60 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

Seville's water system has 97 total violations on record, including 3 health-based violations. 6 remain unresolved. 2 violations were issued in the last 5 years.

RPTTTOtherMRMCL
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jan 2019 Consumer Confidence Rule Open
Sep 2011 Coliform (TCR) Resolved
Dec 2010 Lead and Copper Rule Open

Flood & environmental risk

Medina County has experienced 1 federally declared disaster since 2005. 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 Chippewa Creek At Miller Rd At Sterling, Unnamed Tributary To Styx River At Rittman, Chippewa Creek Above Easton, Little Killbuck Creek Near Lodi.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3250

Where does Seville's water come from?

Seville's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,474 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Chippewa Creek At Miller Rd At Sterling (river), Unnamed Tributary To Styx River At Rittman (river), Chippewa Creek Above Easton (river), Little Killbuck Creek Near Lodi (river).

What Seville residents can do

Install a water filter

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

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
3.2 ppb
EPA Action Level: 15 ppb · 21% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
88.60 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

97
Total violations
3
Health-based
6
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

97 Total
6 Active
3 Health-based
91 Resolved
Violations by category
Volatile Organic Chemicals
42
Inorganic Chemicals
22
Total Coliform Rule
9
Synthetic Organic Chemicals
6
Nitrate Rule
5
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Jan 2019 Active
Consumer Confidence Rule
Other Violation 0
Dec 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Sep 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Jan 2006 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2006
Oct 2005 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2006
Oct 2005 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2006
Oct 2005 Resolved
LASSO
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2006
Jul 2004 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
Carbon tetrachloride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
Toluene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
Styrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
1,1,1-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
1,2-Dichloropropane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jul 2004 Resolved
1,2,4-Trichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Showing 20 of 97 violations
Industrial pollution

Top industrial polluters within 10 miles of Seville

Industrial polluters nearby

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

Total reported releases to surface water: 6 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
ADVANCE BRONZE SEVILLE LLC
Primary Metals · NA
SEVILLE, OH44273
Copper50.9 mi
HUBBELL POWER SYSTEMS INC.
Computers and Electronic Products · HUBBELL INC
WADSWORTH, OH44281
Zinc compounds15.5 mi
ADVANCE BRONZE INC.
Primary Metals · NA
LODI, OH44254
8.3 mi
FBC CHEMICAL MEDINA
Chemical Wholesalers · FBC CHEMICAL CORP
MEDINA, OH44256
8.1 mi
CARLISLE BRAKE & FRICTION
Fabricated Metals · CENTROMOTION
MEDINA, OH44256
7.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Medina County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3250

Recommended water filters

Based on contaminants detected in Seville'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) 3.2 15 ppb Inorganic Safe
Copper (90th percentile) 88.60 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 6.8 ppb from 1993 (10.0 ppb) to 2025 (3.2 ppb).

Copper level (90th percentile)

Latest reading: 109.000 mg/L (2004)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,474
Water Systems
2
Water Source

Where Seville's water comes from

Groundwater

Seville'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 2,474 people through 2 water systems.

Local Hydrology

Water bodies near Seville

Seville is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Chippewa Creek At Miller Rd At Sterling
river
Unnamed Tributary To Styx River At Rittman
river
Chippewa Creek Above Easton
river
Little Killbuck Creek Near Lodi
river
Infrastructure

Water systems serving Seville

System Name PWSID Population Source
SEVILLE VILLAGE PWS OH5201412 2,296 GW
PINE MILL RIDGE 2 PWS OH7707212 178 GW
Regional Comparison

How Seville compares

Full Ohio rankings →

Seville's score of 77.7/100 is above the average of 58/100 among major Ohio cities. It outscores 8 of 10 nearby cities.

Seville (this city)
77.7
Columbus
35.5
Cleveland
85.5
Cincinnati
36.8
Toledo
78
Kent
38.2
Ohio avg
58
City Profile

About Seville, OH

Economic Profile
$65,729
Median Income
$184,436
Median Home Value
$925/mo
Median Rent
3.3%
Unemployment
Community
46.3
Median Age
319
People / sq mi
25.7%
College Educated
77.8%
Homeownership
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Frequently asked questions

Is Seville, OH tap water safe to drink?

Seville's water quality earned a grade of B (77.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #321 out of 511 cities tested in Ohio.

What contaminants are in Seville's water?

Lead was measured at 3.2 ppb (90th percentile). 97 violations are on record.

How is Seville'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 Seville?

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

Where does Seville's water come from?

Seville's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,474 residents.

What health violations has Seville's water system had?

Seville has 3 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Seville's groundwater at risk of contamination?

Seville 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 97 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 Seville's water compare to other cities?

Seville ranks #321 out of 511 cities in Ohio (better than 37% of state cities) and #8917 out of 15744 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.