Sacramento Nat. Wildlife Refuge
Published drinking-water records and contacts for Sacramento Nat. Wildlife Refuge. System CA1100250. Review sources and dates; not a real-time water assessment.
- System ID
- CA1100250
- State or territory
- CA
- Published population served
- 824
- System type (source code)
- TNCWS
Published records and dates
- California DDW laboratory results: 11 — 2026-01-06 – 2026-06-02
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
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| LEAD | < 1.000000000 UG/L | 2026-06-02 | WELL 02 - UNTREATED / California DDW laboratory results |
| NITRITE | < 0.400000000 MG/L | 2026-06-02 | WELL 02 - UNTREATED / California DDW laboratory results |
| NITRATE-NITRITE | 1.18 MG/L | 2026-06-02 | WELL 02 - UNTREATED / California DDW laboratory results |
| COPPER, FREE | 74.8 UG/L | 2026-06-02 | WELL 02 - UNTREATED / California DDW laboratory results |
| NITRATE | 1.18 MG/L | 2026-06-02 | WELL 02 - UNTREATED / California DDW laboratory results |
| ALKALINITY, TOTAL | 224 MG/L | 2026-01-06 | WELL 02 - UNTREATED / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | < 2.000000000 UMHO/CM | 2026-01-06 | WELL 02 - UNTREATED / California DDW laboratory results |
| HYDROXIDE AS CALCIUM CARBONATE | < 5.000000000 MG/L | 2026-01-06 | WELL 02 - UNTREATED / California DDW laboratory results |
| ALKALINITY, BICARBONATE | 224 MG/L | 2026-01-06 | WELL 02 - UNTREATED / California DDW laboratory results |
| PH | 7.25 PH | 2026-01-06 | WELL 02 - UNTREATED / California DDW laboratory results |
| ALKALINITY, CARBONATE | < 5.000000000 MG/L | 2026-01-06 | WELL 02 - UNTREATED / 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
1 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) | 2018-07-01 – 2018-09-30 | 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)
Leigh, Brendan: 530-934-2801
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.