No health-based violations on EPA record since 2016.
Serves about 26,874 people (162 connections) with groundwater from its own wells.
From EPA's record for MS0360015. PurityMap is independent of University of Mississippi.
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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 September 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 5.5 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorooctanesulfonic acid (PFOS) | 4.2 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorohexanesulfonic acid (PFHxS) | 5.6 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorobutanesulfonic acid (PFBS) | 5.2 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 | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorohexanoic acid (PFHxA) | 7.8 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorobutanoic acid (PFBA) | 8.2 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoroheptanoic acid (PFHpA) | 3 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoropentanoic acid (PFPeA) | 11.4 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| 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 | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| 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 | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| 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 | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| 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 | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| 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 | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| 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 | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-09-10 | UCMR5 Analytical Results: UNIVERSITY OF MISSISSIPPI (MS0360015) |
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.
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Follow this water →University of Mississippi's phone number on EPA record is 662-915-1462. Its mailing address is 700 HATHORN ROAD, OXFORD, MS 38677.
According to EPA's record, University of Mississippi uses groundwater from its own wells.
No health-based violations on EPA record since 2016. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in University of Mississippi's latest lead and copper round, which ended in December 2024. The federal action level is 15 µg/L.
PurityMap has no verified website for University of Mississippi. Its phone number on EPA record is 662-915-1462. Its mailing address on EPA record is 700 HATHORN ROAD, OXFORD, MS 38677. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.