C54/100
PIQUA CITY PWS — Water Quality Report 2026
Serving 20,354 people · Ohio
Water Source
Surface Water
County
—
System ID
OH5501211
Violations
14
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: August 17, 2022 – June 9, 2023Rule: Ground Water RuleEnforcement: 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 PIQUA CITY PWS
Is PIQUA CITY PWS water safe to drink?
PIQUA CITY PWS water receives a grade of C (54/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PIQUA CITY PWS detected?
69 contaminants were tested in PIQUA CITY PWS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does PIQUA CITY PWS have any EPA violations?
Yes, PIQUA CITY PWS has 14 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, MCL. 8 are health-based violations.
How many people does PIQUA CITY PWS serve?
PIQUA CITY PWS serves approximately 20,354 people, Ohio.
What type of water does PIQUA CITY PWS provide?
PIQUA 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 OH5501211.
How does PIQUA CITY PWS compare to other utilities in Ohio?
PIQUA CITY PWS scores 54/100 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.