Public water system · OH3247412
ActiveArrowhead Lake Campground
At a glance
Arrowhead Lake Campground (PWSID OH3247412) is an active transient non-community water system in Hancock County, Ohio. It reports serving 100 people through 111 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in January 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
111
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Arrowhead Lake Campground compare with other water systems in Hancock County?
By EPA's size categories, Arrowhead Lake Campground is a very small system (500 people or fewer). Hancock County has 37 active public water systems. Its population served is well below the county average of 1,810 people per system, and accounts for 0.1% of the 66,986 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 Arrowhead Lake Campground is about 31% below 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 Arrowhead Lake Campground?
EPA lists Arrowhead 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. 28 of the 37 active systems in Hancock County (76%) are also privately owned.
Does Arrowhead Lake Campground have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in January 2010. The violations listed here began between April 2000 and January 2010. By type: 4 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 7 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Arrowhead Lake Campground: frequently asked questions
Who runs Arrowhead Lake Campground?
Arrowhead Lake Campground (PWSID OH3247412) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Arrowhead Lake Campground serve?
Arrowhead Lake Campground reports serving 100 people through 111 service connections in Hancock County, Ohio.
Where does Arrowhead 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 Arrowhead Lake Campground have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in January 2010. 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 Arrowhead 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. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in January 2010. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Arrowhead Lake Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Arrowhead 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 Hancock County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Findlay City Pws | Hancock | 54,040 | Community | Surface water |
| Odot Rest Area 1-25 Nb | Hancock | 2,000 | Transient non-community | Groundwater |
| Northwestern W and Sd - Mccomb | Hancock | 1,527 | Community | Purchased surface water |
| Odot Rest Area 1-26 Sb | Hancock | 1,500 | Transient non-community | Groundwater |
| Arlington Village Pws | Hancock | 1,474 | Community | Groundwater |
| Riverdale Local Schools | Hancock | 1,106 | Non-transient non-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, “Arrowhead Lake Campground, PWSID OH3247412, Ohio”, https://aquacensus.com/water-systems/ohio/arrowhead-lake-campground-oh3247412 (data as of October 1, 2026).