Public water system · OH3431612
ActiveMwcd-Clendening Marina
At a glance
Mwcd-Clendening Marina (PWSID OH3431612) is an active transient non-community water system in Harrison County, Ohio. It reports serving 251 people through 13 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
251
Service connections
13
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mwcd-Clendening Marina compare with other water systems in Harrison County?
By EPA's size categories, Mwcd-Clendening Marina is a very small system (500 people or fewer). Harrison County has 28 active public water systems. Its population served is about half of the county average of 499 people per system, and accounts for 1.8% of the 13,979 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 Mwcd-Clendening Marina is about 74% 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 Mwcd-Clendening Marina?
EPA lists Mwcd-Clendening Marina 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. 16 of the 28 active systems in Harrison County (57%) are also privately owned.
Does Mwcd-Clendening Marina have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2022. By type: 1 reporting. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 as unaddressed. 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 |
|---|---|---|---|---|
| 2022-03-01 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Unaddressed |
The one violation in EPA's records.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.
Mwcd-Clendening Marina: frequently asked questions
Who runs Mwcd-Clendening Marina?
Mwcd-Clendening Marina (PWSID OH3431612) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Mwcd-Clendening Marina serve?
Mwcd-Clendening Marina reports serving 251 people through 13 service connections in Harrison County, Ohio.
Where does Mwcd-Clendening Marina 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 Mwcd-Clendening Marina have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2022. 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 Mwcd-Clendening Marina'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 one violation for this system; it is not health-based, and the most recent began in March 2022. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Mwcd-Clendening Marina's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mwcd-Clendening Marina 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 Harrison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cadiz Village Pws | Harrison | 3,353 | Community | Surface water |
| Tri-County Water Authority | Harrison | 2,370 | Community | Purchased groundwater |
| Mwcd-Tappan Lake Park | Harrison | 2,012 | Transient non-community | Groundwater |
| Hopedale Village Pws | Harrison | 984 | Community | Purchased surface water |
| Scio Pws | Harrison | 690 | Community | Groundwater |
| Jewett Village | Harrison | 650 | 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, “Mwcd-Clendening Marina, PWSID OH3431612, Ohio”, https://aquacensus.com/water-systems/ohio/mwcd-clendening-marina-oh3431612 (data as of October 1, 2026).