Fcwwd 41/Shaver Lake
Published drinking-water records and contacts for Fcwwd 41/Shaver Lake. System CA1010017. Review sources and dates; not a real-time water assessment.
- System ID
- CA1010017
- State or territory
- CA
- Published population served
- 2722
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 82 — 1995-01-01 – 2026-06-30
- California DDW laboratory results: 452 — 2026-01-13 – 2026-07-07
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Read the provider’s annual water quality report
Report link listed: 2026-10-05. This is not the report’s sampling date.
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 |
|---|---|---|---|
| Copper (CU90) | 6.8 mg/L | 2026-01-01 – 2026-06-30 | 2026Q3 |
| Lead (PB90) | 0.0062 mg/L | 2026-01-01 – 2026-06-30 | 2026Q3 |
| Lead (PB90) | 0.0095 mg/L | 2025-07-01 – 2025-12-31 | 2026Q3 |
| Copper (CU90) | 4.6 mg/L | 2025-07-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.008 mg/L | 2025-01-01 – 2025-06-30 | 2026Q3 |
| Copper (CU90) | 5.1 mg/L | 2025-01-01 – 2025-06-30 | 2026Q3 |
| Copper (CU90) | 3 mg/L | 2024-07-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0.0039 mg/L | 2024-07-01 – 2024-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ALKALINITY, TOTAL | 44 MG/L | 2026-07-07 | RIDGETOP ENTRY PT-FE&MN POST BLD,CCT,CL2 / California DDW laboratory results |
| ALKALINITY, CARBONATE | < 1.700000000 MG/L | 2026-07-07 | TIMBERWNE ENTRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| IRON | < 100.000000000 UG/L | 2026-07-07 | GRNTE RDGE ETRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| ALKALINITY, BICARBONATE | 37 MG/L | 2026-07-07 | TIMBERWNE ENTRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| PH | 6.2 PH | 2026-07-07 | GRNTE RDGE ETRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| ALKALINITY, CARBONATE | < 1.700000000 MG/L | 2026-07-07 | GRNTE RDGE ETRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| ALKALINITY, CARBONATE | < 1.700000000 MG/L | 2026-07-07 | RIDGETOP ENTRY PT-FE&MN POST BLD,CCT,CL2 / California DDW laboratory results |
| ALKALINITY, TOTAL | 37 MG/L | 2026-07-07 | TIMBERWNE ENTRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| MANGANESE | < 5.000000000 UG/L | 2026-07-07 | RIDGETOP ENTRY PT-FE&MN POST BLD,CCT,CL2 / California DDW laboratory results |
| MANGANESE | 5.2 UG/L | 2026-07-07 | TIMBERWNE ENTRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| MANGANESE | < 5.000000000 UG/L | 2026-07-07 | GRNTE RDGE ETRY PT-FE&MN POST BL,CCT,CL2 / California DDW laboratory results |
| PH | 6.1 PH | 2026-07-07 | TIMBERWNE ENTRY PT-FE&MN POST BL,CCT,CL2 / 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) | 2019-12-01 – 2019-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Maximum Contaminant Level Violation, Average | 2018-04-01 – 2018-06-30 | Resolved | Yes | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2017-01-01 – 2017-12-31 | 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: 2026-10-18
Administrative contact (EPA filing)
Bump, Chris: 559-600-4482
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.