Colwell, City of
PWSID: IA3409066
System Details
| Population Served | 55 |
| Service Connections | 38 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Alta Vista |
| Zip Code | 50603 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0035 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0032 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
Violation History (2 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 1999-10-19 | | Returned to Compliance |
| | 1988-07-01 | | Returned to Compliance |