Johnston Municipal Water Supply
PWSID: IA7740011
System Details
| Population Served | 24,064 |
| Service Connections | 7,657 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Johnston |
| Zip Code | 50131 |
Areas Served
- Johnston, Polk County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|---|---|---|
| Lead (90th percentile) | 0.0016 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0015 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 (0 total)
No violations on record for this water system.