Public water system · OH4838212
ActiveHidden Lake Campground
At a glance
Hidden Lake Campground (PWSID OH4838212) is an active transient non-community water system in Lucas County, Ohio. It reports serving 165 people through 150 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
165
Service connections
150
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hidden Lake Campground compare with other water systems in Lucas County?
By EPA's size categories, Hidden Lake Campground is a very small system (500 people or fewer). Lucas County has 44 active public water systems. Its population served is well below the county average of 9,828 people per system, and accounts for less than 0.1% of the 432,425 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 Hidden Lake Campground is about 15% above 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 Hidden Lake Campground?
EPA lists Hidden Lake Campground 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. 37 of the 44 active systems in Lucas County (84%) are also privately owned.
Does Hidden Lake Campground have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2021. The violations listed here began between October 2005 and May 2021. By type: 5 monitoring, 4 monitoring and reporting, 2 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-05-27 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2021-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-04-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-04-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2017-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The 12 most recent 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.
Hidden Lake Campground: frequently asked questions
Who runs Hidden Lake Campground?
Hidden Lake Campground (PWSID OH4838212) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Hidden Lake Campground serve?
Hidden Lake Campground reports serving 165 people through 150 service connections in Lucas County, Ohio.
Where does Hidden Lake Campground 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 Hidden Lake Campground have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 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 Hidden Lake Campground'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2021. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Hidden Lake Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hidden Lake Campground 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 Lucas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Toledo City of | Lucas | 360,000 | Community | Surface water |
| Sylvania City | Lucas | 21,618 | Community | Purchased surface water |
| Oregon City | Lucas | 19,950 | Community | Surface water |
| Maumee City | Lucas | 14,286 | Community | Purchased surface water |
| Waterville City | Lucas | 6,500 | Community | Purchased surface water |
| Whitehouse Village | Lucas | 5,200 | Community | Purchased surface 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, “Hidden Lake Campground, PWSID OH4838212, Ohio”, https://aquacensus.com/water-systems/ohio/hidden-lake-campground-oh4838212 (data as of October 1, 2026).