Public water system · SD4600146
ActiveGrenville
Community water system in Day County, South Dakota, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
48
Service connections
51
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-08-01 | 3A | 8000 | No | Resolved |
| 2020-10-01 | 52 | 5000 | No | Resolved |
| 2017-10-01 | 52 | 5000 | No | Resolved |
| 2015-08-01 | 27 | 2950 | No | Resolved |
| 2015-08-01 | 27 | 2456 | No | Resolved |
| 2014-10-01 | 52 | 5000 | No | Resolved |
| 2014-09-01 | 24 | 3100 | No | Resolved |
| 2014-07-01 | 27 | 0999 | No | Resolved |
| 2014-01-01 | 27 | 0999 | No | Resolved |
| 2003-07-01 | 71 | 7000 | No | Resolved |
| 2003-06-15 | 75 | 7500 | No | Resolved |
| 2003-06-01 | 23 | 3100 | No | Resolved |
Grenville: frequently asked questions
Is Grenville's water safe to drink?
Grenville is an active community water system regulated under the Safe Drinking Water Act, overseen by the SD 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 Grenville?
Grenville (PWSID SD4600146) is a local government-owned community water system, regulated by the SD state drinking water program.
How many people does Grenville serve?
Grenville reports serving 48 people through 51 service connections in Day County, South Dakota.
Where does Grenville get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.