No health-based violations on EPA record since 2016.
Serves about 9,949 people (3,019 connections) with groundwater from its own wells, and buys water from Pasadena Water and Power and City of Arcadia.
From EPA's record for CA1910020. PurityMap is independent of Cal-Am Water Company.
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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 January 2025 to July 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 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 | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| 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 | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| 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 | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| 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 | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| 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 | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| 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 | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-13 to 2025-07-07 | UCMR5 Analytical Results: CAL-AM WATER COMPANY - EAST PASADENA (CA1910020) |
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 →Cal-Am Water Company's phone number on EPA record is 626-614-2533. Its mailing address is 8657 Grand Avenue, ROSEMEAD, CA 91770.
According to EPA's record, Cal-Am Water Company uses groundwater from its own wells, and buys water from Pasadena Water and Power and City of Arcadia.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Cal-Am Water Company's latest lead and copper round, which ended in December 2025, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Cal-Am Water Company. Its phone number on EPA record is 626-614-2533. Its mailing address on EPA record is 8657 Grand Avenue, ROSEMEAD, CA 91770. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.