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Public water system · OH6230912

Active

Ernestos Restaurant

At a glance

Ernestos Restaurant (PWSID OH6230912) is an active transient non-community water system in Ottawa County, Ohio. It reports serving 71 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in July 2015.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

71

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOH6230912
System typeTransient non-community water system
Activity statusActive
Population served71
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOH state drinking water program
City served—
StateOhio
ZIP—
CountyOttawa County

How does Ernestos Restaurant compare with other water systems in Ottawa County?

By EPA's size categories, Ernestos Restaurant is a very small system (500 people or fewer). Ottawa County has 36 active public water systems. Its population served is well below the county average of 1,317 people per system, and accounts for 0.1% of the 47,393 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Ernestos Restaurant is about half of that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Ohio has 2,282 active transient non-community water systems, 59% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.

Who owns and regulates Ernestos Restaurant?

EPA lists Ernestos Restaurant as privately owned. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 28 of the 36 active systems in Ottawa County (78%) are also privately owned.

Does Ernestos Restaurant have drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in July 2015. The violations listed here began between October 1995 and July 2015. By type: 5 contaminant level above the legal limit and 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 9 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2015-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2002-10-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1997-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
1997-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-04-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1995-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Ernestos Restaurant: frequently asked questions

Who runs Ernestos Restaurant?

Ernestos Restaurant (PWSID OH6230912) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.

How many people does Ernestos Restaurant serve?

Ernestos Restaurant reports serving 71 people through 1 service connection in Ottawa County, Ohio.

Where does Ernestos Restaurant get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Ernestos Restaurant have any drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in July 2015. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Ernestos Restaurant's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in July 2015. For current results, consult EPA ECHO, or the OH state drinking water program.

Where can I find Ernestos Restaurant's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ernestos Restaurant is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Ottawa County

Water systemCountyPopulation servedTypeSource
Ottawa County Regional Water DistrictOttawa20,428CommunitySurface water
Port Clinton CityOttawa6,500CommunityPurchased surface water
Put-in-Bay VillageOttawa5,000CommunitySurface water
Oak Harbor VillageOttawa4,400CommunityPurchased surface water
Genoa VillageOttawa3,110CommunityPurchased surface water
Carroll Water and SewerOttawa2,288CommunitySurface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Ernestos Restaurant, PWSID OH6230912, Ohio”, https://aquacensus.com/water-systems/ohio/ernestos-restaurant-oh6230912 (data as of October 1, 2026).