Twin Valley Lakes Improvement Assn
PWSID: IA5200861
System Details
| Population Served | 100 |
| Service Connections | 40 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Solon |
| Zip Code | 52333-9324 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0100 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below 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 |
Violation History (11 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | Major | Acknowledged |
| | 2025-07-01 | Major | Acknowledged |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2020-06-01 | | Returned to Compliance |
| | 2019-09-01 | Major | Returned to Compliance |
| | 2018-12-01 | | Returned to Compliance |
| | 1991-07-01 | | Returned to Compliance |