Public water system · IL0374850
ActiveSandwich
Community water system in DeKalb County, Illinois, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
7,156
Service connections
2,777
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | 4H | 5200 | No | Resolved |
| 1999-07-01 | 03 | 1038 | No | Resolved |
| 1997-10-01 | 24 | 3100 | No | Archived |
| 1994-10-01 | 52 | 5000 | No | Resolved |
| 1993-01-01 | 24 | 3100 | No | Archived |
| 1992-01-01 | 03 | 2969 | No | Archived |
| 1992-01-01 | 03 | 2977 | No | Archived |
| 1990-04-01 | 02 | 2984 | Yes | Archived |
| 1989-04-01 | 03 | 2984 | No | Resolved |
| 1989-04-01 | 03 | 2980 | No | Resolved |
| 1989-04-01 | 03 | 2981 | No | Resolved |
| 1989-04-01 | 03 | 2982 | No | Resolved |
Sandwich: frequently asked questions
Is Sandwich's water safe to drink?
Sandwich is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL 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 Sandwich?
Sandwich (PWSID IL0374850) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Sandwich serve?
Sandwich reports serving 7,156 people through 2,777 service connections in DeKalb County, Illinois.
Where does Sandwich get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in DeKalb County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Atlanta | DeKalb | 1,089,893 | Community | Surface water |
| Dekalb County | DeKalb | 743,000 | Community | Surface water |
| Northeast Alabama Water Sewer and Fpd | DeKalb | 47,070 | Community | Surface water |
| Dekalb | DeKalb | 45,000 | Community | Groundwater |
| Fort Payne, the Ww Bd of the City of | DeKalb | 25,107 | Community | Surface water |
| Sycamore | DeKalb | 18,500 | Community | Groundwater |