Armstrong Water Supply
PWSID: IA3203066
System Details
| Population Served | 875 |
| Service Connections | 489 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Armstrong |
| Zip Code | 50514 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 1.4000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
Violation History (9 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-01 | Major | Acknowledged |
| | 2025-08-01 | Major | Acknowledged |
| | 2022-06-01 | | Returned to Compliance |
| | 2020-10-01 | Major | Returned to Compliance |
| | 2020-08-01 | Major | Returned to Compliance |
| | 2020-08-01 | Major | Returned to Compliance |
| | 2019-02-01 | Major | Returned to Compliance |
| | 2018-01-01 | Major | Returned to Compliance |
| | 1998-07-01 | Yes | Returned to Compliance |