Water Quality Report · Updated May 12, 2026

City of Toledo Water Department

Serving 271,000 residents in Toledo, Ohio .

National rank 6th percentile
Ohio rank 3th percentile
Data confidence High
Quick answer

City of Toledo Water Department delivers tap water graded F (48/100) by TapWaterSafety.org. The utility serves approximately 271,000 residents in Toledo, Ohio using surface water from the Lake Erie. The most significant water quality concerns are: PFAS contamination; Lead detected in source water; Chromium-6 detected. For questions, the utility can be reached at (216) 758-7106.

Data sources for this grade: utilities.csv ⓘ How did we get this rating?
Sample data notice: Some or all data on this page is illustrative sample data, not live measurements from this utility. See our disclaimer. For authoritative info, refer to the utility's published Consumer Confidence Report.
271,000
People served
1
City served
18
Contaminants detected
18
Above health guidelines
0
EPA violations (5 yr)
2024
Most recent test

Is Toledo tap water safe to drink?

City of Toledo Water Department delivers tap water that earns a grade of F (48/100) from TapWaterSafety.org — a poor rating, with significant contamination concerns and/or recent violations.

The utility serves 271,000 residents in Toledo, drawing from surface water (Lake Erie) and disinfecting with free chlorine. Despite being legal under US EPA standards, this water would fail the European Union's Drinking Water Directive, primarily due to pfas contamination.

Public testing data identifies 18 contaminants in this water above EWG's health-based guidelines, including: PFOA, PFOA, PFOA, Haloacetic Acids (HAA5), Haloacetic Acids (HAA5), Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Total Trihalomethanes (TTHMs), Total Trihalomethanes (TTHMs), Chromium-6 (Hexavalent), Chromium-6 (Hexavalent), Chromium-6 (Hexavalent), Nitrate, Nitrate, Nitrate, Lead, Lead, Lead. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for City of Toledo Water Department.

PFAS contamination

Severe concern

PFOA, PFOA detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.

Lead detected in source water

Severe concern

Lead detected at 5.2 ppb. EWG considers no level of lead safe; EPA's action level is 15 ppb.

Chromium-6 detected

Moderate concern

Chromium-6 detected at 0.26 ppb.

Contact City of Toledo Water Department

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Water Quality Contact

For questions about contaminants, test results, or your Consumer Confidence Report.

OfficeToledo Water Quality Division
DepartmentWater Quality Compliance
Direct line(216) 527-1736

Treatment Plant

Location7902 Treatment Plant Road, Toledo, OH
Operator certificationClass A (State certified)
Treatment capacity54 million gallons/day

Recommended water filters for Toledo

Filters matched to the specific contaminants in this water supply.

Reverse Osmosis or NSF P473 certified carbon

$80-$750

Activated carbon and RO are the only technologies proven to remove PFAS at certified levels.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 58, 372
View on retailer →
Waterdrop N1 Countertop RO
$249-$329 NSF 58, 372
View on retailer →
Clearly Filtered Pitcher Filter
$80-$95 NSF 42, 53, 401, P473
Editorial pick · affiliate link coming soon

NSF/ANSI 53 certified for lead removal

$80-$750

NSF 53 is the gold standard certification for lead removal. Required when lead is a documented concern.

Clearly Filtered Pitcher Filter
$80-$95 NSF 42, 53, 401, P473
Editorial pick · affiliate link coming soon
Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 58, 372
View on retailer →

Reverse Osmosis

$249-$750

Chromium-6 requires reverse osmosis for reliable removal. Standard carbon filters do not address it.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 58, 372
View on retailer →
Waterdrop N1 Countertop RO
$249-$329 NSF 58, 372
View on retailer →

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 48/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
12 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
0 / 20
Compliance History
10 / 10
Source Water Vulnerability
6 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Sample test dates: Water samples were collected between 2022 and 2024. Test dates per contaminant are shown in the table below.

🇪🇺
This water would fail European Union drinking water standards. One or more detected contaminants exceed EU Drinking Water Directive 2020/2184 limits, even though they may be fully legal under US EPA rules. View the standards we compare against →
Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
PFOA
Organic
11.12 ppt 0.004 4 100 100 0.007 2022 EPA violation
PFOA
Organic
9.59 ppt 0.004 4 100 100 0.007 2023 EPA violation
PFOA
Organic
9.1 ppt 0.004 4 100 100 0.007 2024 EPA violation
Haloacetic Acids (HAA5)
Disinfection byproduct
38.9 ppb 0.1 60 60 2022 389× over
Haloacetic Acids (HAA5)
Disinfection byproduct
35.8 ppb 0.1 60 60 2023 358× over
Haloacetic Acids (HAA5)
Disinfection byproduct
32.6 ppb 0.1 60 60 2024 326× over
Total Trihalomethanes (TTHMs)
Disinfection byproduct
45.3 ppb 0.6 80 100 2023 76× over
Total Trihalomethanes (TTHMs)
Disinfection byproduct
38.2 ppb 0.6 80 100 2024 64× over
Total Trihalomethanes (TTHMs)
Disinfection byproduct
35.6 ppb 0.6 80 100 2022 59× over
Chromium-6 (Hexavalent)
Heavy metal
0.26 ppb 0.02 0.02 2024 13× over
Chromium-6 (Hexavalent)
Heavy metal
0.26 ppb 0.02 0.02 2022 13× over
Chromium-6 (Hexavalent)
Heavy metal
0.188 ppb 0.02 0.02 2023 9.4× over
Nitrate
Inorganic
1.102 mg/L 0.14 10 11.3 11.3 10 2023 7.9× over
Nitrate
Inorganic
0.9 mg/L 0.14 10 11.3 11.3 10 2024 6.4× over
Nitrate
Inorganic
0.868 mg/L 0.14 10 11.3 11.3 10 2022 6.2× over
Lead
Heavy metal
5.2 ppb 0 15 5 10 0.2 2024 Fails EU
Lead
Heavy metal
6.7 ppb 0 15 5 10 0.2 2023 Fails EU
Lead
Heavy metal
5.19 ppb 0 15 5 10 0.2 2022 Fails EU
Contaminant Detected (2024) EWG EPA EU DWD WHO CA PHG Status
Total Trihalomethanes (TTHMs)
Disinfection byproduct
38.2 ppb 0.6 80 100 64× over
Haloacetic Acids (HAA5)
Disinfection byproduct
32.6 ppb 0.1 60 60 326× over
Lead
Heavy metal
5.2 ppb 0 15 5 10 0.2 Fails EU
Chromium-6 (Hexavalent)
Heavy metal
0.26 ppb 0.02 0.02 13× over
PFOA
Organic
9.1 ppt 0.004 4 100 100 0.007 EPA violation
Nitrate
Inorganic
0.9 mg/L 0.14 10 11.3 11.3 10 6.4× over
Contaminant Detected (2023) EWG EPA EU DWD WHO CA PHG Status
Total Trihalomethanes (TTHMs)
Disinfection byproduct
45.3 ppb 0.6 80 100 76× over
Haloacetic Acids (HAA5)
Disinfection byproduct
35.8 ppb 0.1 60 60 358× over
Lead
Heavy metal
6.7 ppb 0 15 5 10 0.2 Fails EU
Chromium-6 (Hexavalent)
Heavy metal
0.188 ppb 0.02 0.02 9.4× over
PFOA
Organic
9.59 ppt 0.004 4 100 100 0.007 EPA violation
Nitrate
Inorganic
1.102 mg/L 0.14 10 11.3 11.3 10 7.9× over
Contaminant Detected (2022) EWG EPA EU DWD WHO CA PHG Status
Total Trihalomethanes (TTHMs)
Disinfection byproduct
35.6 ppb 0.6 80 100 59× over
Haloacetic Acids (HAA5)
Disinfection byproduct
38.9 ppb 0.1 60 60 389× over
Lead
Heavy metal
5.19 ppb 0 15 5 10 0.2 Fails EU
Chromium-6 (Hexavalent)
Heavy metal
0.26 ppb 0.02 0.02 13× over
PFOA
Organic
11.12 ppt 0.004 4 100 100 0.007 EPA violation
Nitrate
Inorganic
0.868 mg/L 0.14 10 11.3 11.3 10 6.2× over

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database, and City of Toledo Water Department's Consumer Confidence Report.

City of Toledo Water Department service area

This water system serves 1 community in Lucas County, Ohio. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
OH9223139
Owner type
Local government
Source water
Surface water (Lake Erie)
Disinfection method
Free chlorine
Service connections
86,720
Service area
Toledo, Lucas County, Ohio