Is WESTERVILLE CITY PWS required to publish a Consumer Confidence Report?

Yes. WESTERVILLE CITY PWS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is WESTERVILLE CITY PWS’s next Consumer Confidence Report due?

WESTERVILLE CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

PATASKALA, OH · Franklin County

WESTERVILLE CITY PWS Water System

Consumer Confidence Report status

WESTERVILLE CITY PWS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for WESTERVILLE CITY PWS.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.

System facts

System ID (PWSID): OH2503411
System type: Community Water System
Population served: 39,000
Service connections: 13,624
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

WESTERVILLE CITY PWS is one of 180 community water systems in Ohio in the 10,001 to 100,000 people size category, serving 39,000 people from surface water.

As of August 1, 2026, its federal record holds 12 entries between 1982 and 2016, all of which EPA lists as closed. Nothing has been added since 2016.

Of the 12, 9 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and synthetic organic chemicals.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2015 – September 30, 2015
Resolved
Monitoring, Regular
—
LASSO
May 1, 2004 – May 31, 2004
Resolved
Monitoring, Regular
—
Atrazine
May 1, 2004 – May 31, 2004
Resolved
Monitoring, Regular
—
Fluoride
October 1, 1982 – September 30, 1983
Archived
Monitoring, Regular
—
Nitrate
October 1, 1982 – September 30, 1983
Archived
Monitoring, Regular
—
Selenium
October 1, 1982 – September 30, 1983
Archived
Monitoring, Regular
—
Arsenic
October 1, 1982 – September 30, 1983
Archived
Monitoring, Regular
—
Barium
October 1, 1982 – September 30, 1983
Archived
Monitoring, Regular
—
Cadmium
October 1, 1982 – September 30, 1983
Archived
Monitoring, Regular
—
Chromium
October 1, 1982 – September 30, 1983
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
May 1, 2004 – May 31, 2004	Monitoring, Regular	LASSO	—	Resolved
May 1, 2004 – May 31, 2004	Monitoring, Regular	Atrazine	—	Resolved
October 1, 1982 – September 30, 1983	Monitoring, Regular	Fluoride	—	Archived
October 1, 1982 – September 30, 1983	Monitoring, Regular	Nitrate	—	Archived
October 1, 1982 – September 30, 1983	Monitoring, Regular	Selenium	—	Archived
October 1, 1982 – September 30, 1983	Monitoring, Regular	Arsenic	—	Archived
October 1, 1982 – September 30, 1983	Monitoring, Regular	Barium	—	Archived
October 1, 1982 – September 30, 1983	Monitoring, Regular	Cadmium	—	Archived
October 1, 1982 – September 30, 1983	Monitoring, Regular	Chromium	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

June 14, 2004State Compliance achieved32 linked violations
September 30, 1983State Violation/Reminder Notice8 linked violations

Common questions

Is WESTERVILLE CITY PWS required to publish a Consumer Confidence Report?: Yes. WESTERVILLE CITY PWS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WESTERVILLE CITY PWS’s next Consumer Confidence Report due?: WESTERVILLE CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WESTERVILLE CITY PWS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for WESTERVILLE CITY PWS.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

MCDOWELL, ADAM J

419-782-1886

PATASKALA, OH 43062