15th Avenue
Published drinking-water records and contacts for 15th Avenue. System CA1600293. Review sources and dates; not a real-time water assessment.
- System ID
- CA1600293
- State or territory
- CA
- Published population served
- 50
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 5 — 2009-01-01 – 2025-12-31
- California DDW laboratory results: 76 — 2026-01-19 – 2026-07-06
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) | 0.0275 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.0046 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.005 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.0008 mg/L | 2014-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0.007 mg/L | 2009-01-01 – 2011-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | 72.2 UG/L | 2026-07-06 | WELL #2 / California DDW laboratory results |
| COMBINED URANIUM | < 0.700000000 PCI/L | 2026-07-06 | POU - 2 RBH / California DDW laboratory results |
| ARSENIC | 1.1 UG/L | 2026-07-06 | POU-1 (MAIN RES) / California DDW laboratory results |
| ARSENIC | 14.9 UG/L | 2026-07-06 | POU - 2 RBH / California DDW laboratory results |
| COMBINED URANIUM | 3.9 PCI/L | 2026-07-06 | WELL #2 / California DDW laboratory results |
| COMBINED URANIUM | < 0.700000000 PCI/L | 2026-07-06 | POU-1 (MAIN RES) / California DDW laboratory results |
| ARSENIC | 82.5 UG/L | 2026-06-03 | WELL #2 / California DDW laboratory results |
| COMBINED URANIUM | < 0.700000000 PCI/L | 2026-06-03 | POU-1 (MAIN RES) / California DDW laboratory results |
| GROSS ALPHA PARTICLE ACTIVITY | 5.42 PCI/L | 2026-06-03 | POU - 2 RBH / California DDW laboratory results |
| ARSENIC | 12.1 UG/L | 2026-06-03 | POU-1 (MAIN RES) / California DDW laboratory results |
| COMBINED URANIUM | < 0.700000000 PCI/L | 2026-06-03 | POU - 2 RBH / California DDW laboratory results |
| ARSENIC | 34.4 UG/L | 2026-06-03 | POU - 2 RBH / 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
0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
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)
Castrence, Adelaide: 209-609-2543
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.