Cathay City of
PWSID: ND5200169
System Details
| Population Served | 43 |
| Service Connections | 28 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Cathay |
| Zip Code | 58422 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 3.4400 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 3.4000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 3.4000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 2.5200 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 2.2710 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 2.0650 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 1.7880 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 1.7500 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0600 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0156 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0139 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0102 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0071 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0060 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) | 0.0046 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0044 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0042 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0035 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0028 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0027 mg/L | 0.015 mg/L | Below Action Level |
6 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-09-23 | | Open |
| | 2015-04-01 | | Open |
| | 2010-10-01 | | Open |
| | 2008-07-17 | | Open |
| | 2004-09-18 | | Open |
| | 2004-08-17 | | Open |
Violation History (57 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-03-12 | Yes | Returned to Compliance |
| | 2024-11-17 | | Returned to Compliance |
| | 2024-11-13 | | Returned to Compliance |
| | 2024-10-17 | Yes | Returned to Compliance |
| | 2024-10-17 | | Returned to Compliance |
| | 2024-10-02 | | Returned to Compliance |
| | 2024-10-01 | | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2023-10-25 | | Returned to Compliance |
| | 2023-10-25 | | Returned to Compliance |
| | 2023-10-02 | | Returned to Compliance |
| | 2023-10-02 | | Returned to Compliance |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2023-08-01 | Major | Acknowledged |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-05-01 | Major | Returned to Compliance |
| | 2023-05-01 | Major | Acknowledged |
| | 2023-05-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Acknowledged |
| | 2023-04-01 | Major | Acknowledged |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-08-01 | Major | Returned to Compliance |
| | 2022-08-01 | Major | Acknowledged |
| | 2022-08-01 | Major | Returned to Compliance |
| | 2022-07-01 | Major | Returned to Compliance |
| | 2022-07-01 | Major | Returned to Compliance |
| | 2022-07-01 | Major | Acknowledged |
| | 2021-04-01 | Major | Returned to Compliance |
| | 2019-10-01 | | Returned to Compliance |
| | 2018-08-01 | Yes | Returned to Compliance |
| | 2018-05-01 | Yes | Returned to Compliance |
| | 2017-07-01 | Major | Returned to Compliance |
| | 2016-01-01 | | Returned to Compliance |
| | 2016-01-01 | Major | Returned to Compliance |
| | 2015-08-01 | Yes | Returned to Compliance |
Showing 50 of 51 historical violations.