San Lucas County Water District
Published drinking-water records and contacts for San Lucas County Water District. System CA2701676. Review sources and dates; not a real-time water assessment.
- System ID
- CA2701676
- State or territory
- CA
- Published population served
- 315
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 7 — 2009-01-01 – 2025-12-31
- California DDW laboratory results: 73 — 2026-01-08 – 2026-07-09
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0.0014 mg/L | 2025-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.0016 mg/L | 2024-01-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2023-07-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2023-01-01 – 2023-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2017-01-01 – 2017-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2016-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2009-01-01 – 2011-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| NITRATE | 5.8 MG/L | 2026-07-09 | WELL 03 / California DDW laboratory results |
| NITRATE | 2.4 MG/L | 2026-07-02 | WELL 03 / California DDW laboratory results |
| NITRATE | 1.0 MG/L | 2026-06-25 | WELL 03 / California DDW laboratory results |
| IRON | 492 UG/L | 2026-06-18 | TREATMENT PLANT / California DDW laboratory results |
| ODOR | < 1.000000000 TON | 2026-06-18 | WELL 03 / California DDW laboratory results |
| TDS | 924 MG/L | 2026-06-18 | WELL 03 / California DDW laboratory results |
| MANGANESE | < 10.000000000 UG/L | 2026-06-18 | TREATMENT PLANT / California DDW laboratory results |
| NITRATE | 2.2 MG/L | 2026-06-18 | WELL 03 / California DDW laboratory results |
| NITRATE | 2.3 MG/L | 2026-06-11 | WELL 03 / California DDW laboratory results |
| NITRATE | 5.2 MG/L | 2026-06-04 | WELL 03 / California DDW laboratory results |
| NITRATE | 1.4 MG/L | 2026-05-28 | WELL 03 / California DDW laboratory results |
| NITRATE | 1.9 MG/L | 2026-05-21 | WELL 03 / California DDW laboratory results |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
10 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2024-07-01 – 2024-09-30 | Archived | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Failure Submit IDSE/Subpart V Plan Rpt | 2023-07-04 – — | Resolved | No | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Single Sample | 2021-10-01 – 2021-12-31 | Archived | Yes | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Single Sample | 2020-10-01 – 2020-12-31 | Archived | Yes | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Single Sample | 2020-04-01 – 2020-06-30 | Archived | Yes | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Single Sample | 2019-07-01 – 2019-09-30 | Archived | Yes | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Single Sample | 2018-04-01 – 2018-06-30 | Archived | Yes | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Single Sample | 2016-07-01 – 2016-09-30 | Archived | Yes | 2026Q3 |
| Radionuclides and Revised Rad Rule / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Radionuclides and Revised Rad Rule / Monitoring, Regular | 1980-10-30 – 1981-10-29 | Archived | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- California DDW laboratory results — last successful check: 2026-10-18
Administrative contact (EPA filing)
Ramirez, Antonio: 831-382-4410
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.