Public water system · OH4202112
ActiveGrandview MHP B
At a glance
Grandview MHP B (PWSID OH4202112) is an active community water system in Knox County, Ohio. It reports serving 47 people through 33 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
47
Service connections
33
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Grandview MHP B compare with other water systems in Knox County?
By EPA's size categories, Grandview MHP B is a very small system (500 people or fewer). Knox County has 40 active public water systems. Its population served is well below the county average of 877 people per system, and accounts for 0.1% of the 35,064 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 Grandview MHP B 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 Grandview MHP B?
EPA lists Grandview MHP B 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. 36 of the 40 active systems in Knox County (90%) are also privately owned.
Does Grandview MHP B have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2026. The violations listed here began between July 2006 and January 2026. By type: 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 1 as unaddressed and 1 as resolved. 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 |
|---|---|---|---|---|
| 2026-01-14 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 2 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.
Grandview MHP B: frequently asked questions
Who runs Grandview MHP B?
Grandview MHP B (PWSID OH4202112) is a community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Grandview MHP B serve?
Grandview MHP B reports serving 47 people through 33 service connections in Knox County, Ohio.
Where does Grandview MHP B 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 Grandview MHP B have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2026. 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 Grandview MHP B'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 2 violations for this system; none is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Grandview MHP B's water quality report?
As a community water system, Grandview MHP B 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 Knox County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mount Vernon City Pws | Knox | 16,990 | Community | Groundwater |
| Knox County Water and Wastewater Pws | Knox | 7,710 | Community | Groundwater |
| Fredericktown Village | Knox | 2,648 | Community | Groundwater |
| Gambier Village Pws | Knox | 2,300 | Community | Purchased groundwater |
| Danville Village Pws | Knox | 994 | Community | Groundwater |
| Rustic Knolls Campground | Knox | 600 | 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, “Grandview MHP B, PWSID OH4202112, Ohio”, https://aquacensus.com/water-systems/ohio/grandview-mhp-b-oh4202112 (data as of October 1, 2026).