Castle Airport
Published drinking-water records and contacts for Castle Airport. System CA2410700. Review sources and dates; not a real-time water assessment.
- System ID
- CA2410700
- State or territory
- CA
- Published population served
- 1650
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 8 — 1992-07-01 – 2023-12-31
- California DDW laboratory results: 79 — 2026-04-20 – 2026-06-17
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) | 0.0069 mg/L | 2021-01-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0.0596 mg/L | 2018-01-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0.009025 mg/L | 2015-01-01 – 2017-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2014-01-01 – 2014-12-31 | 2026Q3 |
| Lead (PB90) | 0.01 mg/L | 2011-07-01 – 2011-12-31 | 2026Q3 |
| Lead (PB90) | 0.01 mg/L | 2011-01-01 – 2011-12-31 | 2026Q3 |
| Lead (PB90) | 0.0098 mg/L | 2008-01-01 – 2008-06-30 | 2026Q3 |
| Lead (PB90) | 0.0025 mg/L | 1992-07-01 – 1992-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| CHLOROFORM | 1.2 UG/L | 2026-06-17 | DBPR Sample / California DDW laboratory results |
| ALKALINITY, CARBONATE | 6 MG/L | 2026-06-17 | WELL 12 / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 280 UMHO/CM | 2026-06-17 | WELL 12 / California DDW laboratory results |
| TDS | 220 MG/L | 2026-06-17 | WELL 10 / California DDW laboratory results |
| DIBROMOCHLOROMETHANE | 3.5 UG/L | 2026-06-17 | DBPR Sample / California DDW laboratory results |
| HARDNESS, TOTAL (AS CACO3) | 67 MG/L | 2026-06-17 | WELL 12 / California DDW laboratory results |
| HYDROXIDE AS CALCIUM CARBONATE | < 1.000000000 MG/L | 2026-06-17 | WELL 10 / California DDW laboratory results |
| TDS | 230 MG/L | 2026-06-17 | WELL 12 / California DDW laboratory results |
| CALCIUM | 19 MG/L | 2026-06-17 | WELL 12 / California DDW laboratory results |
| ALKALINITY, BICARBONATE | 84 MG/L | 2026-06-17 | WELL 10 / California DDW laboratory results |
| MAGNESIUM | 5.3 MG/L | 2026-06-17 | WELL 10 / California DDW laboratory results |
| BROMOFORM | 2.8 UG/L | 2026-06-17 | DBPR Sample / 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
7 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 |
|---|---|---|---|---|
| Lead and Copper Rule Revisions / LSL Inventory | 2024-10-17 – — | Unaddressed | Yes | 2026Q3 |
| Lead and Copper Rule Revisions / LSL Reporting | 2024-10-17 – — | Unaddressed | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2021-10-01 – 2021-10-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2021-01-01 – 2021-12-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2021-01-01 – 2021-12-31 | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2017-11-01 – 2017-11-30 | Resolved | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1989-12-01 – 1989-12-31 | 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: 2026-10-18
Administrative contact (EPA filing)
Spade, Tamra: 209-385-7686
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.