Is AQUA OHIO - SENECA required to publish a Consumer Confidence Report?

Yes. AQUA OHIO - SENECA 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 AQUA OHIO - SENECA’s next Consumer Confidence Report due?

AQUA OHIO - SENECA’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.

MENTOR, OH · Williams County

AQUA OHIO - SENECA Water System

Consumer Confidence Report status

AQUA OHIO - SENECA 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 AQUA OHIO - SENECA.

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): OH8601512
System type: Community Water System
Population served: 750
Service connections: 307
Ownership: privately owned
Water source: groundwater (wells)

AQUA OHIO - SENECA is one of 558 community water systems in Ohio in the 501 to 3,300 people size category, serving 750 people from groundwater.

As of August 1, 2026, its federal record holds 7 entries between 1984 and 1986, all of which EPA lists as closed. Nothing has been added since 1986.

All 7 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 and the Radionuclides and Revised Rad Rule.

Violation history

Monitoring, Regular
—
Fluoride
September 16, 1986 – September 15, 1989
Resolved
Monitoring, Regular
—
Cadmium
September 16, 1986 – September 15, 1989
Resolved
Monitoring, Regular
—
Chromium
September 16, 1986 – September 15, 1989
Resolved
Monitoring, Regular
—
Selenium
September 16, 1986 – September 15, 1989
Resolved
Monitoring, Regular
—
Mercury
September 16, 1986 – September 15, 1989
Resolved
Monitoring, Regular
—
Nitrate
September 16, 1986 – September 15, 1989
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1984 – September 30, 1988
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
September 16, 1986 – September 15, 1989	Monitoring, Regular	Fluoride	—	Resolved
September 16, 1986 – September 15, 1989	Monitoring, Regular	Cadmium	—	Resolved
September 16, 1986 – September 15, 1989	Monitoring, Regular	Chromium	—	Resolved
September 16, 1986 – September 15, 1989	Monitoring, Regular	Selenium	—	Resolved
September 16, 1986 – September 15, 1989	Monitoring, Regular	Mercury	—	Resolved
September 16, 1986 – September 15, 1989	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1984 – September 30, 1988	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

November 5, 2007State Public Notification received3 linked violations
November 5, 1990State Public Notification received8 linked violations
September 17, 1990State Formal Notice of Violation issued8 linked violations
September 17, 1990State Compliance achieved8 linked violations
July 14, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 13, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
March 18, 1985State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
November 26, 1980State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Common questions

Is AQUA OHIO - SENECA required to publish a Consumer Confidence Report?: Yes. AQUA OHIO - SENECA 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 AQUA OHIO - SENECA’s next Consumer Confidence Report due?: AQUA OHIO - SENECA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does AQUA OHIO - SENECA have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for AQUA OHIO - SENECA.
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

BOWERS, WILLIAM M

440-255-3984

MENTOR, OH 44060