No health-based violations on EPA record since 2016.
Serves about 48,040 people (17,742 connections) with groundwater from its own wells.
From EPA's record for FL2554471. PurityMap is independent of SJCU-Northwest Utilities WTP.
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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 March 2023 to September 2023.
| 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 | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| 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 | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| 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 | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| 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 | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| 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 | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| 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 | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| 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 | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-07 to 2023-09-11 | UCMR5 Analytical Results: SJCU-NORTHWEST UTILITIES WTP (FL2554471) |
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 →SJCU-Northwest Utilities WTP's phone number on EPA record is 904-209-2703. Its mailing address is 500 SAN SEBASTIAN VIEW, ST. AUGUSTINE, FL 32084.
According to EPA's record, SJCU-Northwest Utilities WTP uses groundwater from its own wells.
No health-based violations on EPA record since 2016. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in SJCU-Northwest Utilities WTP'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 SJCU-Northwest Utilities WTP. Its phone number on EPA record is 904-209-2703. Its mailing address on EPA record is 500 SAN SEBASTIAN VIEW, ST. AUGUSTINE, FL 32084. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.