Cs Winchester Water Company
PWSID: AZ0402110
System Details
| Population Served | 402 |
| Service Connections | 157 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Des Peres |
| Zip Code | 63131 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0070 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 |
Violation History (34 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-08-10 | Major | Returned to Compliance |
| | 2023-08-10 | Major | Returned to Compliance |
| | 2023-08-10 | Major | Returned to Compliance |
| | 2023-08-10 | Major | Returned to Compliance |
| | 2023-04-01 | | Returned to Compliance |
| | 2023-04-01 | | Returned to Compliance |
| | 2023-04-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2022-10-03 | Yes | Returned to Compliance |
| | 2022-10-03 | Yes | Returned to Compliance |
| | 2022-10-03 | Yes | Returned to Compliance |
| | 2022-10-02 | | Returned to Compliance |
| | 2022-10-02 | | Returned to Compliance |
| | 2022-10-02 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2021-10-02 | | Returned to Compliance |
| | 2021-10-02 | | Returned to Compliance |
| | 2021-01-01 | Major | Returned to Compliance |
| | 2021-01-01 | Major | Returned to Compliance |
| | 2019-11-14 | | Returned to Compliance |
| | 2019-11-14 | | Returned to Compliance |
| | 2019-10-02 | | Returned to Compliance |
| | 2019-10-02 | | Returned to Compliance |
| | 2019-10-01 | | Returned to Compliance |
| | 2019-10-01 | | Returned to Compliance |
| | 2017-09-01 | | Returned to Compliance |
| | 2017-09-01 | | Returned to Compliance |
| | 2016-10-01 | | Returned to Compliance |
| | 2016-10-01 | | Returned to Compliance |
| | 2016-07-01 | | Returned to Compliance |
| | 2016-07-01 | | Returned to Compliance |