Public water system · IL0312580
ActiveRiverdale
Community water system in Cook County, Illinois, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,266
Service connections
3,311
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 72 | 7000 | No | Unaddressed |
| 2011-07-01 | 71 | 7000 | No | Resolved |
| 2007-07-01 | 53 | 5000 | No | Resolved |
| 2004-07-01 | 72 | 7000 | No | Resolved |
| 2000-01-01 | 59 | 5000 | Yes | Resolved |
| 1998-01-01 | 53 | 5000 | No | Resolved |
| 1997-01-01 | 53 | 5000 | No | Resolved |
| 1996-06-01 | 22 | 3100 | Yes | Archived |
| 1994-11-01 | 23 | 3100 | No | Archived |
| 1994-01-01 | 65 | 5000 | Yes | Resolved |
| 1993-01-01 | 65 | 5000 | Yes | Resolved |
| 1992-12-07 | 57 | 5000 | Yes | Resolved |
Riverdale: frequently asked questions
Is Riverdale's water safe to drink?
Riverdale 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 Riverdale?
Riverdale (PWSID IL0312580) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Riverdale serve?
Riverdale reports serving 10,266 people through 3,311 service connections in Cook County, Illinois.
Where does Riverdale get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.
Other water systems in Cook County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chicago | Cook | 2,746,388 | Community | Surface water |
| Cicero | Cook | 83,000 | Community | Purchased surface water |
| Schaumburg | Cook | 75,750 | Community | Purchased surface water |
| Evanston | Cook | 74,486 | Community | Surface water |
| Arlington Heights | Cook | 73,320 | Community | Purchased surface water |
| Palatine | Cook | 70,875 | Community | Purchased surface water |