No health-based violations on EPA record since 2016.
Serves about 9,627 people (3,800 connections) with groundwater from its own wells, and buys water from Rehoboth Pump District (TUI).
From EPA's record for DE0000602. PurityMap is independent of Lewes Board of Public Works.
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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 2024 to August 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 9.5 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorooctanoic acid (PFOA) | 6.1 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorohexanesulfonic acid (PFHxS) | 3.5 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 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 | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 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 | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 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 | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 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 | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 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 | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 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 | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| 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 | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-05 to 2024-08-07 | UCMR5 Analytical Results: LEWES BOARD OF PUBLIC WORKS (DE0000602) |
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 →Lewes Board of Public Works's phone number on EPA record is 302-644-5312. Its mailing address is 107 Franklin Avenue, LEWES, DE 19958.
According to EPA's record, Lewes Board of Public Works uses groundwater from its own wells, and buys water from Rehoboth Pump District (TUI).
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Lewes Board of Public Works's latest lead and copper round, which ended in December 2025, was 23 µg/L, above the federal action level of 15 µg/L.
PurityMap has no verified website for Lewes Board of Public Works. Its phone number on EPA record is 302-644-5312. Its mailing address on EPA record is 107 Franklin Avenue, LEWES, DE 19958. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.