Short answer: No measured result is above a legal limit; lithium sits above a screening level, and a past health-based violation (Fluoride) is on record. Milford Water Department serves 9,800 residents.
This report uses the largest, MILFORD WATER DEPARTMENT. Your water bill or annual water quality report names your actual supplier.
Source: EPA SDWIS 2026Q2.
MILFORD WATER DEPARTMENT (EPA PWSID DE0000616) delivers groundwater to 9,800 residents. This report reflects 29 individual PFAS result(s) from the source UCMR5 observations and the latest Lead & Copper Rule 90th-percentile result. Water hardness and disinfectant type are pending the utility's own annual report.
1health-based violation in the last 10 years
From EPA SDWIS. Counted once per contaminant per year, as in the Track record score.
No result is not a pass. Your utility's annual water quality report may list them, and a certified lab test covers your own tap.
Every filing is listed; the Track record score counts at most one per contaminant per year.
Resolved
to Resolved
The records describe the system. A certified lab test shows what reaches your glass.
Lithium 15 µg/L, above the 10.0 µg/L EPA health reference level
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
Silver Lake Research
Lead, bacteria, nitrate, copper, iron, chlorine, hardness and pH
What it can't tell you: Each test gives a yes/no or a rough range, not a lab number, and it cannot detect PFAS or arsenic.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
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.
When your results arrive, read them here →
Each card names which Milford findings its current certification covers, and which it doesn't.
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No product in our catalogue has verified certification for these concerns yet.
PurityMap does not give a safe/unsafe verdict; it shows what the public records measured. For Milford, no regulated PFAS were detected in EPA's 2024 testing; one health-based violation is on record (Fluoride). MILFORD WATER DEPARTMENT (PWSID DE0000616) has a Purity Score of 99/100 (confidence: moderate), assessed at the water-system level and computed only from contaminants that were measured. Water can change in your own pipes, so a certified test is the only way to know what comes out of your tap.
MILFORD WATER DEPARTMENT (PWS ID DE0000616) is the public water system on record for Milford, Delaware, serving about 9,800 people. Confirm the utility on your water bill before acting on a specific finding.
Groundwater (primary source of record in EPA SDWIS).
None of the 29 PFAS in EPA's UCMR 5 testing (2025-01-08 to 2025-07-09) was detected. "Not detected" means below the lab's reporting limit, not proven zero.
Lead is not in Milford's current published record. Lead usually enters from a building's own pipes and fixtures, so a certified home test is the way to know yours.
The federal SDWIS record lists a health-based violation for MILFORD WATER DEPARTMENT within about the last ten years: Fluoride (2020). The findings above show each one's status.
PurityMap's current record for Milford holds 32 findings: 2 above a reference and 30 not detected. Each finding links to its dated public record; a parameter that was never monitored is shown as pending, not as a pass.
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| Contaminant | Result | Benchmark | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 15 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Fluoride | 0.777 MG/L | 4.0 mg/L | Above the listed reference | 2020 | EPA SDWIS Violations & Enforcement: MILFORD WATER DEPARTMENT (DE0000616) |
| Contaminant | Result | Benchmark | 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 | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| 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 | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| 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 | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| 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 | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| 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 | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Lead (90th percentile) | Non-Detect (ND) | 15 µg/L federal action level | Not detected above the reporting limit | 2023–2025 monitoring period | Lead & Copper Rule 90th-percentile: MILFORD WATER DEPARTMENT (DE0000616) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| 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 | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-08 to 2025-07-09 | UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616) |
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)
Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)
Perfluoro-3-methoxypropanoic acid (PFMPA)
Perfluoro-4-methoxybutanoic acid (PFMBA)
Perfluorobutanesulfonic acid (PFBS)
Perfluorododecanoic acid (PFDoA)
Perfluoroheptanesulfonic acid (PFHpS)
Perfluoroheptanoic acid (PFHpA)
Perfluorohexanesulfonic acid (PFHxS)
Perfluorohexanoic acid (PFHxA)
Perfluorooctanesulfonic acid (PFOS)
Perfluoropentanesulfonic acid (PFPeS)
Perfluoropentanoic acid (PFPeA)
Perfluorotetradecanoic acid (PFTA)
Perfluorotridecanoic acid (PFTrDA)
Perfluoroundecanoic acid (PFUnA)
Every value is the published result from the cited public record. A reporting limit is the lowest level the method could reliably quantify; a non-detect is not a guarantee of zero.
UCMR5 Analytical Results
UCMR5 Analytical Results: MILFORD WATER DEPARTMENT (DE0000616)
US EPA
State SDWIS Compliance Record
Lead & Copper Rule 90th-percentile: MILFORD WATER DEPARTMENT (DE0000616)
US EPA SDWIS
State SDWIS Compliance Record
EPA SDWIS Violations & Enforcement: MILFORD WATER DEPARTMENT (DE0000616)
US EPA SDWIS
Methodology: how we analyze water. Prepared with AI assistance and reviewed by the PurityMap Editorial Team before publication.
Start with the hot-or-cold tap check. Where Milford Water Department reported something related, it's shown below.
Lead at Milford Water Department: not detected (90th percentile, 2023–2025 monitoring period). Lead has no taste, so a taste neither shows nor rules it out.
A ZIP code is a postal area, not a water service area. Your water bill names your supplier.