No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2019.
Serves about 1,017 people (365 connections) with groundwater from its own wells.
From EPA's record for CA3500505. PurityMap is independent of Thousand Trails San Benito Preserve.
Are you this utility? Correct this listing →
3 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From April 2023 | E. coli | – | – | Resolved |
| From January 2019 | Fluoride | 2.4 mg/L | 4.0 mg/L | Archived |
| From October 2018 | Fluoride | 2.4 mg/L | 4.0 mg/L | Archived |
EPA required this system to test for 30 unregulated and emerging contaminants, from April 2023 to October 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 38.7 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 | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| 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 | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| 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 | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| 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 | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| 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 | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| 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 | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| 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 | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-04 to 2023-10-04 | UCMR5 Analytical Results: THOUSAND TRAILS SAN BENITO PRESERVE (CA3500505) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
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 →Thousand Trails San Benito Preserve's phone number on EPA record is 831-389-4290. Its mailing address is 16255 Cienega Road, PAICINES, CA 95043.
According to EPA's record, Thousand Trails San Benito Preserve uses groundwater from its own wells.
EPA's record shows 3 health-based violations for Thousand Trails San Benito Preserve in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting January 2019. EPA also lists 5 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Thousand Trails San Benito Preserve's latest lead and copper round, which ended in December 2024, was 10.7 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Thousand Trails San Benito Preserve. Its phone number on EPA record is 831-389-4290. Its mailing address on EPA record is 16255 Cienega Road, PAICINES, CA 95043. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.