Public water system · OH2949712
ActiveKnollwood Garden Center
Transient non-community water system in Greene County, Ohio, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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.
Knollwood Garden Center: frequently asked questions
Is Knollwood Garden Center's water safe to drink?
Knollwood Garden Center is an active transient non-community water system regulated under the Safe Drinking Water Act, overseen by the OH state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Knollwood Garden Center?
Knollwood Garden Center (PWSID OH2949712) is a private-owned transient non-community water system, regulated by the OH state drinking water program.
How many people does Knollwood Garden Center serve?
Knollwood Garden Center reports serving 120 people through 1 service connections in Greene County, Ohio.
Where does Knollwood Garden Center get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Greene County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fairborn Public Water System | Greene | 34,620 | Community | Groundwater |
| Xenia City Pws | Greene | 29,000 | Community | Groundwater |
| Bellbrook Water Works | Greene | 9,475 | Community | Groundwater |
| Wright State University | Greene | 8,948 | Community | Groundwater |
| Cedarville University | Greene | 4,000 | Community | Groundwater |
| Yellow Springs Village Pws | Greene | 3,761 | Community | Groundwater |
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.