Clark Pacific - Cr 18c
Published drinking-water records and contacts for Clark Pacific - Cr 18c. System CA5700761. Review sources and dates; not a real-time water assessment.
- System ID
- CA5700761
- State or territory
- CA
- Published population served
- 450
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 13 — 2012-01-01 – 2026-06-30
- California DDW laboratory results: 117 — 2026-01-09 – 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 |
|---|---|---|---|
| Copper (CU90) | 1.7 mg/L | 2026-01-01 – 2026-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2026-01-01 – 2026-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2025-07-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2025-01-01 – 2025-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2024-07-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2024-01-01 – 2024-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2021-01-01 – 2023-12-31 | 2026Q3 |
| Copper (CU90) | 1.676 mg/L | 2023-01-01 – 2023-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| CHROMIUM, HEX | < 0.050000000 UG/L | 2026-06-08 | PRODUCTION BLDG REVERSE OSMOSIS POE / California DDW laboratory results |
| CHROMIUM, HEX | < 0.050000000 UG/L | 2026-06-08 | GYM BUILDING RO TAP / California DDW laboratory results |
| NITRATE | 0.57 MG/L | 2026-06-08 | TRAINING ROOM REVERSE OSMOSIS POE / California DDW laboratory results |
| CHROMIUM, HEX | 0.090 UG/L | 2026-06-08 | TRAINING ROOM REVERSE OSMOSIS POE / California DDW laboratory results |
| NITRATE | 0.73 MG/L | 2026-06-08 | CMW TRAILER RO / California DDW laboratory results |
| CHROMIUM, HEX | 16 UG/L | 2026-06-08 | WELL 06 / California DDW laboratory results |
| CHROMIUM, HEX | 0.076 UG/L | 2026-06-08 | ADMIN BUILDING RO TAP / California DDW laboratory results |
| NITRATE | 8.9 MG/L | 2026-06-08 | WELL 06 / California DDW laboratory results |
| CHROMIUM, HEX | 0.27 UG/L | 2026-06-08 | CMW TRAILER RO / California DDW laboratory results |
| NITRATE | 2.8 MG/L | 2026-06-08 | SPRECKLES BLDG REVERSE OSMOSIS POE / California DDW laboratory results |
| NITRATE | 2.3 MG/L | 2026-06-08 | PRODUCTION BLDG REVERSE OSMOSIS POE / California DDW laboratory results |
| NITRATE | 2.4 MG/L | 2026-06-08 | ADMIN BUILDING RO TAP / 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 |
|---|---|---|---|---|
| Nitrate Rule / Maximum Contaminant Level Violation, Average | 2020-04-01 – 2020-06-30 | Resolved | Yes | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Average | 2020-01-01 – 2020-03-31 | Resolved | Yes | 2026Q3 |
| Nitrate Rule / Maximum Contaminant Level Violation, Average | 2019-11-01 – 2019-11-30 | 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: 2026-10-17
Administrative contact (EPA filing)
Gaye, Siah: 530-207-4100
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.