No health-based violations on EPA record since 2016.
Serves about 7,900 people (1,960 connections) with groundwater from its own wells, and buys water from City of Olympia and Lacey Water Department.
From EPA's record for WA5304397. PurityMap is independent of Tanglewilde Thompson Place 600.
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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 June 2024 to December 2024.
| 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 | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| 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 | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| 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 | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| 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 | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| 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 | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| 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 | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| 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 | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-17 to 2024-12-15 | UCMR5 Analytical Results: TANGLEWILDE THOMPSON PLACE 600 (WA5304397) |
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 →According to EPA's record, Tanglewilde Thompson Place 600 uses groundwater from its own wells, and buys water from City of Olympia and Lacey Water Department.
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.
The 90th-percentile lead result in Tanglewilde Thompson Place 600's latest lead and copper round, which ended in December 2024, was 2.8 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Tanglewilde Thompson Place 600. Its mailing address on EPA record is 1230 Ruddell Rd. SE., Lacey, WA 98503. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.