No health-based violations on EPA record since 2016.
Serves about 6,979 people (2,884 connections) with groundwater influenced by surface water, from its own wells.
From EPA's record for TN0000101. PurityMap is independent of Center Grove-Winchester Springs.
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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 February 2025 to August 2025.
| 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 | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| 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 | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| 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 | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| 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 | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| 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 | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| 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 | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| 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 | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-10 to 2025-08-11 | UCMR5 Analytical Results: CENTER GROVE-WINCHESTER SPRINGS (TN0000101) |
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 →Center Grove-Winchester Springs's phone number on EPA record is 931-967-3939. Its mailing address is 40 PLEASANT GROVE RD, ESTILL SPRINGS, TN 37330.
According to EPA's record, Center Grove-Winchester Springs uses groundwater influenced by surface water, from its own wells.
No health-based violations on EPA record since 2016. EPA also lists 8 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Center Grove-Winchester Springs's latest lead and copper round, which ended in December 2025, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Center Grove-Winchester Springs. Its phone number on EPA record is 931-967-3939. Its mailing address on EPA record is 40 PLEASANT GROVE RD, ESTILL SPRINGS, TN 37330. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.