Lake Don Pedro Csd
Published drinking-water records and contacts for Lake Don Pedro Csd. System CA5510008. Review sources and dates; not a real-time water assessment.
- System ID
- CA5510008
- State or territory
- CA
- Published population served
- 3240
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 25 — 1993-01-01 – 2023-12-31
- California DDW laboratory results: 306 — 2026-01-06 – 2026-07-07
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 | 2021-01-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2018-01-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2015-01-01 – 2017-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2012-01-01 – 2014-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2009-01-01 – 2011-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2006-01-01 – 2008-12-31 | 2026Q3 |
| Lead (PB90) | 0.005 mg/L | 2005-01-01 – 2005-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2003-01-01 – 2005-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| MONOCHLOROACETIC ACID | 2.1 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| NICKEL | < 10.000000000 UG/L | 2026-07-07 | LAKE DON PEDRO WTP - TREATED / California DDW laboratory results |
| MONOCHLOROACETIC ACID | < 2.000000000 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| BROMOFORM | < 0.500000000 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| BROMOFORM | < 0.500000000 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| DICHLOROACETIC ACID | 20.7 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| DIBROMOACETIC ACID | < 1.000000000 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| ALKALINITY, TOTAL | 24 MG/L | 2026-07-07 | LAKE DON PEDRO WTP - TREATED / California DDW laboratory results |
| MONOBROMOACETIC ACID | < 1.000000000 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| ALKALINITY, TOTAL | 20 MG/L | 2026-07-07 | LAKE MCCLURE - RAW / California DDW laboratory results |
| TTHM | 87 UG/L | 2026-07-07 | DBPR Sample / California DDW laboratory results |
| CARBON, TOTAL | 0.80 MG/L | 2026-07-07 | LAKE DON PEDRO WTP - TREATED / 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
9 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 |
|---|---|---|---|---|
| Revised Total Coliform Rule / Monitoring, Lab Certification/Method Error (RTCR) | 2025-04-01 – 2025-05-31 | Resolved | No | 2026Q3 |
| 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 |
| Nitrate Rule / Monitoring, Regular | 2024-01-01 – 2024-12-31 | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2017-10-01 – — | Resolved | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1989-02-01 – 1989-02-28 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1989-02-01 – 1989-02-28 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1989-02-01 – 1989-02-28 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1989-02-01 – 1989-02-28 | 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)
Savidge, Dave: 209-852-2331
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.