Yosemite Valley Beef Packing Co Inc
Published drinking-water records and contacts for Yosemite Valley Beef Packing Co Inc. System CA2400248. Review sources and dates; not a real-time water assessment.
- System ID
- CA2400248
- State or territory
- CA
- Published population served
- 55
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 5 — 2015-07-01 – 2025-12-31
- California DDW laboratory results: 68 — 2026-01-09 – 2026-07-01
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 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2016-01-01 – 2016-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2015-07-01 – 2015-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | 8.6 UG/L | 2026-07-01 | POU1-MAIN BRKRM_RO-AS / California DDW laboratory results |
| ARSENIC | 19 UG/L | 2026-07-01 | WELL NO. 1 / California DDW laboratory results |
| SIMAZINE | < 1.000000000 UG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| PERCHLORATE | < 1.000000000 UG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| 1,2-DIBROMO-3-CHLOROPROPANE | < 0.010000000 UG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| LASSO | < 1.000000000 UG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| ATRAZINE | < 0.500000000 UG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| MOLINATE | < 2.000000000 UG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| ETHYLENE DIBROMIDE | < 0.020000000 UG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| NITRATE | < 0.400000000 MG/L | 2026-06-02 | WELL NO. 1 / California DDW laboratory results |
| NITRATE | < 0.230000000 MG/L | 2026-06-01 | WELL NO. 1 / California DDW laboratory results |
| LASSO | < 1.000000000 UG/L | 2026-06-01 | WELL NO. 1 / 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
11 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 | 2019-07-01 – 2019-09-30 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2019-04-01 – 2019-06-30 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2019-01-01 – 2019-03-31 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2018-10-01 – 2018-12-31 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2018-07-01 – 2018-09-30 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2018-04-01 – 2018-06-30 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2018-01-01 – 2018-03-31 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2017-10-01 – 2017-12-31 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2017-07-01 – 2017-09-30 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2017-04-01 – 2017-06-30 | Resolved | Yes | 2026Q3 |
| Arsenic Rule / Maximum Contaminant Level Violation, Average | 2017-01-01 – 2017-03-31 | Resolved | 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)
Navarro, Raul: 209-383-4060
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.