Forest Park Mwc
Published drinking-water records and contacts for Forest Park Mwc. System CA3600107. Review sources and dates; not a real-time water assessment.
- System ID
- CA3600107
- State or territory
- CA
- Published population served
- 406
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 6 — 2011-01-01 – 2026-12-31
- California DDW laboratory results: 258 — 2026-01-19 – 2026-01-19
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 | 2024-01-01 – 2026-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2022-01-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0.0034 mg/L | 2019-01-01 – 2021-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2015-01-01 – 2017-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| 1,1,2-TRICHLOROETHANE | < 0.500000000 UG/L | 2026-01-19 | WELL 2 (HORIZONTAL WELL) / California DDW laboratory results |
| BARIUM | < 100.000000000 UG/L | 2026-01-19 | WELL 3 (HORIZONTAL WELL) / California DDW laboratory results |
| 1,1-DICHLOROETHYLENE | < 0.500000000 UG/L | 2026-01-19 | WELL 2 (HORIZONTAL WELL) / California DDW laboratory results |
| POTASSIUM | 2.4 MG/L | 2026-01-19 | WELL 1 (HORIZONTAL WELL) / California DDW laboratory results |
| BERYLLIUM, TOTAL | < 1.000000000 UG/L | 2026-01-19 | WELL 1 (HORIZONTAL WELL) / California DDW laboratory results |
| ANTIMONY, TOTAL | < 6.000000000 UG/L | 2026-01-19 | WELL 2 (HORIZONTAL WELL) / California DDW laboratory results |
| BROMOFORM | < 1.000000000 UG/L | 2026-01-19 | WELL 3 (HORIZONTAL WELL) / California DDW laboratory results |
| FOAMING AGENTS (SURFACTANTS) | < 0.100000000 MG/L | 2026-01-19 | WELL 3 (HORIZONTAL WELL) / California DDW laboratory results |
| MERCURY | < 1.000000000 UG/L | 2026-01-19 | WELL 2 (HORIZONTAL WELL) / California DDW laboratory results |
| PH | 7.7 PH | 2026-01-19 | WELL 3 (HORIZONTAL WELL) / California DDW laboratory results |
| BROMODICHLOROMETHANE | < 1.000000000 UG/L | 2026-01-19 | WELL 3 (HORIZONTAL WELL) / California DDW laboratory results |
| TTHM | < 1.000000000 UG/L | 2026-01-19 | WELL 3 (HORIZONTAL WELL) / 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
10 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 / Notification, Known or Potential LSL | 2025-07-02 – — | Unaddressed | 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 | 2023-01-01 – 2023-12-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2023-01-01 – 2023-12-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2023-01-01 – 2023-12-31 | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2021-12-01 – 2021-12-31 | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2020-10-01 – 2020-10-31 | Resolved | No | 2026Q3 |
| Radionuclides and Revised Rad Rule / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Radionuclides and Revised Rad Rule / Monitoring, Regular | 1980-10-30 – 1981-10-29 | 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)
Pearce, Mike: 909-894-9908
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.