Public water system · OH6800512

Active

Eldorado, Village of

At a glance

Village of Eldorado (PWSID OH6800512) is an active community water system in Preble County, Ohio. It reports serving 539 people through 260 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in November 2021.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

539

Service connections

260

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDOH6800512

System typeCommunity water system

Activity statusActive

Population served539

Service connections260

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyOH state drinking water program

City served—

StateOhio

ZIP—

CountyPreble County

How does Village of Eldorado compare with other water systems in Preble County?

By EPA's size categories, Village of Eldorado is a small system (501 to 3,300 people). Preble County has 28 active public water systems. Its population served is about 45% below the county average of 975 people per system, and accounts for 2% of the 27,293 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active community water system reports serving 6,703 people, so Village of Eldorado is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Ohio has 1,028 active community water systems, 27% 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 Village of Eldorado?

EPA lists Village of Eldorado as owned by a local government. 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. 12 of the 28 active systems in Preble County (43%) are also owned by a local government.

Does Village of Eldorado have drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in November 2021. The violations listed here began between October 1984 and November 2021. By type: 9 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Consumer Confidence Rule, Total coliform bacteria (TCR), Chromium and Fluoride. EPA lists 8 as archived, 1 as unaddressed and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2021-11-16	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Unaddressed
2010-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Chromiumcode 1020	No	Archived
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Fluoridecode 1025	No	Archived
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Archived
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Mercurycode 1035	No	Archived
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Seleniumcode 1045	No	Archived
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Arseniccode 1005	No	Archived
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Bariumcode 1010	No	Archived
1984-10-01	Monitoring and reportingMonitoring, Regular · code 03	Cadmiumcode 1015	No	Archived

All 10 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.

Village of Eldorado: frequently asked questions

Who runs Village of Eldorado?

Village of Eldorado (PWSID OH6800512) is a community water system owned by a local government. It is regulated by the OH state drinking water program.

How many people does Village of Eldorado serve?

Village of Eldorado reports serving 539 people through 260 service connections in Preble County, Ohio.

Where does Village of Eldorado 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 Village of Eldorado have any drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in November 2021. 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 Village of Eldorado'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 10 violations for this system; none is health-based, and the most recent began in November 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.

Where can I find Village of Eldorado's water quality report?

As a community water system, Village of Eldorado must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Preble County

Water system	County	Population served	Type	Source
Eaton Public Water System	Preble	8,400	Community	Groundwater
Lakengren Water Authority	Preble	2,950	Community	Groundwater
Camden, Village of	Preble	2,050	Community	Groundwater
Lewisburg Village Pws	Preble	1,800	Community	Groundwater
Aqua Ohio - Preble County	Preble	1,748	Non-transient non-community	Purchased surface water
New Paris Village Pws	Preble	1,681	Community	Groundwater

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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, “Eldorado, Village of, PWSID OH6800512, Ohio”, https://aquacensus.com/water-systems/ohio/eldorado-village-of-oh6800512 (data as of October 1, 2026).