No health-based violations on EPA record since 2016.
Serves about 9,215 people (3,158 connections) with surface water from its own intake, and buys water from Pasadena Water and Power, Las Flores Water Co. and Foothill Municipal Water Dist..
From EPA's record for CA1910140. PurityMap is independent of Rubio Canon Land & Water Association.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2023 to November 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 19 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorooctanoic acid (PFOA) | 8.5 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorohexanesulfonic acid (PFHxS) | 11 ng/L | 10 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorobutanesulfonic acid (PFBS) | 3.5 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorohexanoic acid (PFHxA) | 3.1 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorobutanoic acid (PFBA) | 5.7 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoropentanoic acid (PFPeA) | 3.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: RUBIO CANON LAND & WATER ASSOCIATION (CA1910140) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Rubio Canon Land & Water Association's phone number on EPA record is 626-797-0509. Its mailing address is 583 E. SACRAMENTO ST., ALTADENA, CA 91001.
According to EPA's record, Rubio Canon Land & Water Association uses surface water from its own intake, and buys water from Pasadena Water and Power, Las Flores Water Co. and Foothill Municipal Water Dist..
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Rubio Canon Land & Water Association's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Rubio Canon Land & Water Association. Its phone number on EPA record is 626-797-0509. Its mailing address on EPA record is 583 E. SACRAMENTO ST., ALTADENA, CA 91001. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.