Public water system · MO4292853
ActiveRoys Number One
Transient non-community water system in Washington County, Missouri, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-12-01 | 3A | 8000 | No | Archived |
| 2025-03-13 | 75 | 7500 | No | Resolved |
| 2023-01-01 | 03 | 1038 | No | Resolved |
| 2021-07-01 | 3A | 8000 | No | Resolved |
| 2010-01-01 | 03 | 1038 | No | Resolved |
| 2009-12-01 | 22 | 3100 | Yes | Resolved |
| 2009-09-01 | 22 | 3100 | Yes | Resolved |
| 2009-04-01 | 25 | 3100 | No | Resolved |
| 2009-01-01 | 03 | 1038 | No | Resolved |
| 2008-11-02 | 75 | 7500 | No | Resolved |
| 2008-10-01 | 22 | 3100 | Yes | Resolved |
| 2008-09-01 | 24 | 3100 | No | Resolved |
Roys Number One: frequently asked questions
Is Roys Number One's water safe to drink?
Roys Number One is an active transient non-community water system regulated under the Safe Drinking Water Act, overseen by the MO state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Roys Number One?
Roys Number One (PWSID MO4292853) is a private-owned transient non-community water system, regulated by the MO state drinking water program.
How many people does Roys Number One serve?
Roys Number One reports serving 100 people through 2 service connections in Washington County, Missouri.
Where does Roys Number One get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tualatin Valley Water District | Washington | 224,600 | Community | Purchased surface water |
| Fayetteville Waterworks | Washington | 116,398 | Community | Purchased surface water |
| St George City Water System | Washington | 105,240 | Community | Purchased surface water |
| Johnson City Water Dept | Washington | 105,057 | Community | Surface water |
| Springdale Water Utilities | Washington | 98,948 | Community | Purchased surface water |
| Hillsboro, City of | Washington | 92,632 | Community | Purchased surface water |