B75/100
NORTHWESTERN W AND SD - TOLEDO SVC — Water Quality Report 2026
Serving 19,758 people · Ohio
Water Source
Purchased Surface Water
County
—
System ID
OH8752812
Violations
9
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About NORTHWESTERN W AND SD - TOLEDO SVC
Is NORTHWESTERN W AND SD - TOLEDO SVC water safe to drink?
NORTHWESTERN W AND SD - TOLEDO SVC water receives a grade of B (75/100), which is considered good. Out of 54 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has NORTHWESTERN W AND SD - TOLEDO SVC detected?
54 contaminants were tested in NORTHWESTERN W AND SD - TOLEDO SVC's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does NORTHWESTERN W AND SD - TOLEDO SVC have any EPA violations?
Yes, NORTHWESTERN W AND SD - TOLEDO SVC has 9 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL, Other. 4 are health-based violations.
How many people does NORTHWESTERN W AND SD - TOLEDO SVC serve?
NORTHWESTERN W AND SD - TOLEDO SVC serves approximately 19,758 people, Ohio.
What type of water does NORTHWESTERN W AND SD - TOLEDO SVC provide?
NORTHWESTERN W AND SD - TOLEDO SVC sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OH8752812.
How does NORTHWESTERN W AND SD - TOLEDO SVC compare to other utilities in Ohio?
NORTHWESTERN W AND SD - TOLEDO SVC scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Ohio state page for a full comparison of water systems.