Public water system · IL0315880
ActiveLeyden Twsp Water District
Community water system in Cook County, Illinois, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,000
Service connections
2,973
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 | 52 | 5000 | No | Unaddressed |
| 2021-07-01 | 71 | 7000 | No | Resolved |
| 2020-12-30 | 66 | 5000 | No | Resolved |
| 2020-07-01 | 72 | 7000 | No | Resolved |
| 2017-12-30 | 66 | 5000 | No | Resolved |
| 2016-07-01 | 72 | 7000 | No | Resolved |
| 2012-07-01 | 72 | 7000 | No | Resolved |
| 2010-07-01 | 71 | 7000 | No | Resolved |
| 2008-01-01 | 53 | 5000 | No | Resolved |
| 2007-07-19 | 76 | 7500 | No | Resolved |
| 2007-07-19 | 75 | 7500 | No | Resolved |
| 2007-05-01 | 22 | 3100 | Yes | Resolved |
Leyden Twsp Water District: frequently asked questions
Is Leyden Twsp Water District's water safe to drink?
Leyden Twsp Water District 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 Leyden Twsp Water District?
Leyden Twsp Water District (PWSID IL0315880) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Leyden Twsp Water District serve?
Leyden Twsp Water District reports serving 10,000 people through 2,973 service connections in Cook County, Illinois.
Where does Leyden Twsp Water District 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 |