Monterey One Water
Published drinking-water records and contacts for Monterey One Water. System CA2702456. Review sources and dates; not a real-time water assessment.
- System ID
- CA2702456
- State or territory
- CA
- Published population served
- 73
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 5 — 2010-01-01 – 2024-12-31
- California DDW laboratory results: 26 — 2026-01-13 – 2026-06-08
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) | 0.0035 mg/L | 2022-01-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0.0095 mg/L | 2019-01-01 – 2021-12-31 | 2026Q3 |
| Lead (PB90) | 0.0035 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2013-01-01 – 2015-12-31 | 2026Q3 |
| Lead (PB90) | 0.006 mg/L | 2010-01-01 – 2012-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| NITRATE | 0.812 MG/L | 2026-06-08 | TREATMENT PLANT-RO / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 848.5 UMHO/CM | 2026-06-08 | WELL 01 / California DDW laboratory results |
| TDS | 625 MG/L | 2026-06-08 | WELL 01 / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 49.02 UMHO/CM | 2026-06-08 | TREATMENT PLANT-RO / California DDW laboratory results |
| TDS | 574 MG/L | 2026-05-04 | WELL 01 / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 89.45 UMHO/CM | 2026-05-04 | TREATMENT PLANT-RO / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 859.8 UMHO/CM | 2026-05-04 | WELL 01 / California DDW laboratory results |
| NITRATE | 1.348 MG/L | 2026-05-04 | TREATMENT PLANT-RO / California DDW laboratory results |
| TDS | 577 MG/L | 2026-04-06 | WELL 01 / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 854.3 UMHO/CM | 2026-04-06 | WELL 01 / California DDW laboratory results |
| NITRATE | 12.12 MG/L | 2026-04-06 | WELL 01 / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 57.73 UMHO/CM | 2026-04-06 | TREATMENT PLANT-RO / 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
0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
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)
Sciuto, Paul: 831-645-4600
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.