No health-based violations on EPA record since 2016.
Serves about 32,973 people (10,412 connections) with surface water from its own intake, and buys water from GBRA Western Canyon Water Supply.
From EPA's record for TX0460172. PurityMap is independent of SJWTX Triple Peak Plant.
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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 2024 to November 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 28.4 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorooctanesulfonic acid (PFOS) | 5.2 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorohexanesulfonic acid (PFHxS) | 12.5 ng/L | 10 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorobutanesulfonic acid (PFBS) | 6.4 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 | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| 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 | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| 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 | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| 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 | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| 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 | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| 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 | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-11-25 | UCMR5 Analytical Results: SJWTX TRIPLE PEAK PLANT (TX0460172) |
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 →SJWTX Triple Peak Plant's phone number on EPA record is 830-312-4600. Its mailing address is PO BOX 1742, CANYON LAKE, TX 78133-0005.
According to EPA's record, SJWTX Triple Peak Plant uses surface water from its own intake, and buys water from GBRA Western Canyon Water Supply.
No health-based violations on EPA record since 2016. EPA also lists 4 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in SJWTX Triple Peak Plant's latest lead and copper round, which ended in December 2025, was 1.4 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for SJWTX Triple Peak Plant. Its phone number on EPA record is 830-312-4600. Its mailing address on EPA record is PO BOX 1742, CANYON LAKE, TX 78133-0005. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.