TapSafetyReport
C49/100

NORWALK CITY PWS — Water Quality Report 2026

Serving 17,068 people · Ohio

Water Source
Surface Water
County
—
System ID
OH3901111
Violations
12

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
21.00 mg/L1.30 mg/LOver Limit
chlorate
237.00 µg/L—Above Goal

EPA Violation History

4

Violations (last 5yr)

0

Unresolved

0

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: October 1, 2021 – December 31, 2021Rule: 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: October 1, 2021 – December 31, 2021Rule: 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, 2021 – September 30, 2021Rule: 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, 2021 – September 30, 2021Rule: 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 NORWALK CITY PWS

Is NORWALK CITY PWS water safe to drink?

NORWALK CITY PWS water receives a grade of C (49/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 12 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has NORWALK CITY PWS detected?

70 contaminants were tested in NORWALK CITY PWS's water. Notable contaminants include Copper (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does NORWALK CITY PWS have any EPA violations?

Yes, NORWALK CITY PWS has 12 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL, Other. 7 are health-based violations.

How many people does NORWALK CITY PWS serve?

NORWALK CITY PWS serves approximately 17,068 people, Ohio.

What type of water does NORWALK CITY PWS provide?

NORWALK CITY PWS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OH3901111.

How does NORWALK CITY PWS compare to other utilities in Ohio?

NORWALK CITY PWS scores 49/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Ohio state page for a full comparison of water systems.