No health-based violations on EPA record since 2016.
Serves about 8,296 people (3,414 connections) with surface water bought from Greeneville Water Commission, Russellville Whitesburg U.d. and Mosheim Utility District.
From EPA's record for TN0000530. PurityMap is independent of Old Knoxville Hwy U.d..
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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 2023 to October 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorobutanoic acid (PFBA) | 5.3 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 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 | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 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 | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 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 | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 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 | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 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 | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 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 | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| 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 | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-24 to 2023-10-17 | UCMR5 Analytical Results: OLD KNOXVILLE HWY U.D. (TN0000530) |
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 →Old Knoxville Hwy U.d.'s phone number on EPA record is 423-422-1660. Its mailing address is P.O. BOX 100, MOHAWK, TN 37810.
According to EPA's record, Old Knoxville Hwy U.d. uses surface water bought from Greeneville Water Commission, Russellville Whitesburg U.d. and Mosheim Utility District.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Old Knoxville Hwy U.d.'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 Old Knoxville Hwy U.d.. Its phone number on EPA record is 423-422-1660. Its mailing address on EPA record is P.O. BOX 100, MOHAWK, TN 37810. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.