Lands of Promise Mwc
Published drinking-water records and contacts for Lands of Promise Mwc. System CA1500424. Review sources and dates; not a real-time water assessment.
- System ID
- CA1500424
- State or territory
- CA
- Published population served
- 174
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 17 — 1995-01-01 – 2025-12-31
- California DDW laboratory results: 35 — 2026-02-08 – 2026-06-23
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 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.003 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.0021 mg/L | 2014-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0.00065 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2008-01-01 – 2010-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2005-01-01 – 2007-12-31 | 2026Q3 |
| Lead (PB90) | 0.0025 mg/L | 2004-01-01 – 2006-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | 19 UG/L | 2026-06-23 | WELL 04 / California DDW laboratory results |
| ARSENIC | 4 UG/L | 2026-06-23 | WELL 05 / California DDW laboratory results |
| ARSENIC | 19 UG/L | 2026-06-23 | WELL 03 / California DDW laboratory results |
| ARSENIC | 22 UG/L | 2026-06-23 | WELL 06 / California DDW laboratory results |
| PERCHLORATE | 2.8 UG/L | 2026-03-29 | WELL 03 / California DDW laboratory results |
| ARSENIC | 15 UG/L | 2026-03-27 | WELL 04 / California DDW laboratory results |
| ARSENIC | 17 UG/L | 2026-03-27 | WELL 06 / California DDW laboratory results |
| ARSENIC | 3 UG/L | 2026-03-27 | WELL 05 / California DDW laboratory results |
| ARSENIC | 15 UG/L | 2026-03-27 | WELL 03 / California DDW laboratory results |
| PERFLUOROOCTANE SULFONIC ACID 6:2 FTS | < 5.000000000 NG/L | 2026-02-08 | WELL 05 / California DDW laboratory results |
| ADSORBABLE ORGANIC FLUORINE | < 800.000000000 NG/L | 2026-02-08 | WELL 05 / California DDW laboratory results |
| PERFLUOROHEXANE SULFONIC ACID (PFHxS) | < 2.000000000 NG/L | 2026-02-08 | WELL 05 / 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
76 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 |
|---|---|---|---|---|
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2025-10-01 – 2025-12-31 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2025-07-01 – 2025-09-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2025-04-01 – 2025-06-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2025-01-01 – 2025-03-31 | Archived | Yes | 2026Q3 |
| Lead and Copper Rule Revisions / LSL Reporting | 2024-10-17 – — | Unaddressed | No | 2026Q3 |
| Lead and Copper Rule Revisions / LSL Inventory | 2024-10-17 – — | Unaddressed | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2024-10-01 – 2024-12-31 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2024-07-01 – 2024-09-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2024-04-01 – 2024-06-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2024-01-01 – 2024-03-31 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2023-10-01 – 2023-12-31 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2023-07-01 – 2023-09-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2023-04-01 – 2023-06-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2022-10-01 – 2022-12-31 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2022-07-01 – 2022-09-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2022-04-01 – 2022-06-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2022-01-01 – 2022-03-31 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2021-10-01 – 2021-12-31 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2021-07-01 – 2021-09-30 | Archived | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2021-04-01 – 2021-06-30 | Archived | Yes | 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)
Sykes, James: 661-269-3407
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.