No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting June 2019.
Serves about 18,215 people (7,102 connections) with groundwater from its own wells, and buys water from Selbyville Water Department.
From EPA's record for DE00A0323. PurityMap is independent of Artesian Southern Sussex Regional.
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From June 2019 | Total trihalomethanes (TTHM) | 76.65 µg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from May 2023 to November 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 4.7 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 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 | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 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 | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 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 | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 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 | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 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 | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 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 | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| 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 | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-30 to 2023-11-06 | UCMR5 Analytical Results: ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323) |
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 →According to EPA's record, Artesian Southern Sussex Regional uses groundwater from its own wells, and buys water from Selbyville Water Department.
EPA's record shows 1 health-based violation for Artesian Southern Sussex Regional 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 June 2019. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Artesian Southern Sussex Regional's latest lead and copper round, which ended in December 2025, was 2 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Artesian Southern Sussex Regional. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.