JW MARRIOT HOTEL
PWS ID: IL3156836 · CHICAGO, Illinois 60604
Population Served
700
Total Violations
155
Health-Based Violations
5
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Cook
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 141
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 58 | 2025 |
| TTHM | MR | 58 | 2025 |
| Lead and Copper Rule | MR | 19 | 2023 |
| Public Notice | Other | 7 | 2025 |
| Revised Total Coliform Rule | MON | 4 | 2022 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 3 | 2022 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| Coliform (TCR) | MR | 2 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.