No health-based violations on EPA record since 2016.
Serves about 66,045 people (18,072 connections) with groundwater from its own wells, and buys water from San Gabriel Valley Water Co.-El Monte, Whittier-City, Water Dept., La Habra Heights CWD and 2 more.
From EPA's record for CA1910174. PurityMap is independent of Suburban Water Systems-Whittier.
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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 September 2023 to April 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 13 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorooctanoic acid (PFOA) | 6.3 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorobutanesulfonic acid (PFBS) | 3.9 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 | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorohexanoic acid (PFHxA) | 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorobutanoic acid (PFBA) | 8.6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoropentanoic acid (PFPeA) | 4 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| 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 | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| 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 | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| 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 | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| 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 | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| 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 | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| 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 | 2023-09-11 to 2024-03-07 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-09-11 to 2024-03-07 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-09-11 to 2024-03-07 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-09-11 to 2024-03-07 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-09-11 to 2024-03-07 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-11-08 to 2024-04-18 | UCMR5 Analytical Results: SUBURBAN WATER SYSTEMS-WHITTIER (CA1910174) |
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 →Suburban Water Systems-Whittier's phone number on EPA record is 626-543-2532. Its mailing address is 1325 N. GRAND AVENUE SUITE 100, COVINA, CA 91724.
According to EPA's record, Suburban Water Systems-Whittier uses groundwater from its own wells, and buys water from San Gabriel Valley Water Co.-El Monte, Whittier-City, Water Dept., La Habra Heights CWD and 2 more.
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 Suburban Water Systems-Whittier'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 Suburban Water Systems-Whittier. Its phone number on EPA record is 626-543-2532. Its mailing address on EPA record is 1325 N. GRAND AVENUE SUITE 100, COVINA, CA 91724. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.