Arlington Heights
PWSID: IL0314030
System Details
| Population Served | 73,320 |
| Service Connections | 20,539 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Arlington Heights |
| Zip Code | 60005 |
Areas Served
- Arlington Heights, Cook County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0088 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0067 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0031 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0023 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0016 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
Violation History (45 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |