Three Rivers Elementary School
Published drinking-water records and contacts for Three Rivers Elementary School. System CA5400704. Review sources and dates; not a real-time water assessment.
- System ID
- CA5400704
- State or territory
- CA
- Published population served
- 180
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 11 — 1993-02-01 – 2025-12-31
- California DDW laboratory results: 9 — 2026-01-28 – 2026-06-22
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 | 2014-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0.003 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0.0048 mg/L | 2009-01-01 – 2011-12-31 | 2026Q3 |
| Lead (PB90) | 0.0044 mg/L | 2004-01-01 – 2006-12-31 | 2026Q3 |
| Lead (PB90) | 0.004 mg/L | 2002-01-01 – 2002-12-31 | 2026Q3 |
| Lead (PB90) | 0.099 mg/L | 1999-01-01 – 1999-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| NITRATE | 1.7 MG/L | 2026-06-22 | POU 6 - DF REPLACEMENT CAFETERIA / California DDW laboratory results |
| NITRATE | 5.6 MG/L | 2026-06-22 | WELL 01 / California DDW laboratory results |
| NITRATE | 1.5 MG/L | 2026-05-21 | POU 5 - GIRLS RR SINK BUILDING RM 3 / California DDW laboratory results |
| NITRATE | 0.8 MG/L | 2026-04-22 | POU 4 - BOYS RR SINK BUILDING RM 1 / California DDW laboratory results |
| TOTAL RADIUM FOR NTNC PER §64442(B)(3) | < 0.410000000 PCI/L | 2026-03-25 | WELL 01 / California DDW laboratory results |
| NITRATE | 1.3 MG/L | 2026-03-25 | POU 3 - BOYS RR SINK BUILDING RM 11 / California DDW laboratory results |
| NITRATE | 5.2 MG/L | 2026-03-25 | WELL 01 / California DDW laboratory results |
| NITRATE | < 0.400000000 MG/L | 2026-02-25 | POU 2 - GIRLS RR SINK BUILDING RM 13 / California DDW laboratory results |
| NITRATE | < 0.400000000 MG/L | 2026-01-28 | POU 1 - DRINKING FOUNTAIN WALKWAY / 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
6 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 |
|---|---|---|---|---|
| Nitrate Rule / Maximum Contaminant Level Violation, Single Sample | 2023-04-01 – 2023-06-30 | Resolved | Yes | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2022-06-01 – 2022-06-30 | Archived | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2020-10-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2019-10-01 – — | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2017-07-01 – — | Resolved | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1983-04-01 – 1983-04-30 | Archived | 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)
Porter, Jason B: 559-561-4466
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.