Madrona Manor
Published drinking-water records and contacts for Madrona Manor. System CA4901330. Review sources and dates; not a real-time water assessment.
- System ID
- CA4901330
- State or territory
- CA
- Published population served
- 34
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 22 — 2004-01-01 – 2023-12-31
- California DDW laboratory results: 26 — 2026-02-10 – 2026-06-29
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) | 0.0009 mg/L | 2021-01-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2018-01-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2015-01-01 – 2017-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2014-01-01 – 2014-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2013-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2012-01-01 – 2012-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2011-07-01 – 2011-12-31 | 2026Q3 |
| Copper (CU90) | 2.1 mg/L | 2011-01-01 – 2011-06-30 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| 2,3,7,8-TCDD | < 0.005000000 NG/L | 2026-06-29 | WELL 01 / California DDW laboratory results |
| PERFLUOROBUTANE SULFONIC ACID (PFBS) | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROHEXANE SULFONIC ACID (PFHxS) | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUORO PFMBA | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUORODECANOIC ACID (PFDA) | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROHEXANE SULFONIC ACID 4:2 FTS | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUORODODECANOIC ACID (PFDOA) | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROPENTANOIC ACID (PFPEA) | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| HFPO-DA | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| NONAFLUORO NFDHA | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUORO PFEESA | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / California DDW laboratory results |
| PERFLUORO PFMPA | < 2.000000000 NG/L | 2026-02-10 | WELL 01 / 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
3 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 |
|---|---|---|---|---|
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2026-03-01 – 2026-03-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2020-11-01 – 2023-10-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2020-11-01 – 2023-10-31 | Resolved | 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: 2026-10-17
Administrative contact (EPA filing)
Jeffers, Kyle: 415-385-9777
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.