Perfluorooctanesulfonic acid
4.5ng/L
Each block = 4.0 ng/L federal MCL (2024)
Short answer: PFOS is above its federal limit (a 2024 limit that water systems have until at least 2029 to meet); everything else measured is within its reference or not detected. Seven Springs serves 32,834 residents.
Your water bill or annual water quality report names your actual supplier.
The bar is drawn in blocks of the 4.0 ng/L federal MCL (2024), so the length shows how far above it the result sits.
4.5ng/L
Each block = 4.0 ng/L federal MCL (2024)
SEVEN SPRINGS (EPA PWSID FL6512214) delivers groundwater to 32,834 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.
0health-based violations in the last 10 years
From EPA SDWIS. A clean violation history means no enforcement action was recorded; it does not cover contaminants without a limit.
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.
Plumbing inside a home can add lead that the system record can't show. A tap test tells you what reaches your glass.
PFOS 4.5 ng/L, above the 4 ng/L limit
lead 1.2 µg/L, below the 15 µg/L action 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
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
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
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 Trinity findings its current certification covers, and which it doesn't.
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PurityMap does not give a safe/unsafe verdict; it shows what the public records measured. For Trinity, PFOS 4.5 ng/L was measured above the 4 ng/L federal limit in EPA's 2024 testing; the lead 90th-percentile result was 1.2 µg/L against the 15 µg/L action level. SEVEN SPRINGS (PWSID FL6512214) has a Purity Score of 75/100 (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.
SEVEN SPRINGS (PWS ID FL6512214) is the public water system on record for Trinity, Florida, serving about 32,834 people. Confirm the utility on your water bill before acting on a specific finding.
Groundwater (primary source of record in EPA SDWIS).
Yes. In EPA's UCMR 5 testing (2023-10-09 to 2024-04-08), PFOS was measured at 4.5 ng/L against a 4 ng/L federal limit. Reverse osmosis and filters certified to NSF/ANSI 53 for PFOA/PFOS reduce them at the tap.
SEVEN SPRINGS's most recent lead 90th-percentile result (2023) was 1.2 µg/L, below the 15 µg/L action level. That figure comes from sampled homes; lead usually enters from a building's own pipes and fixtures, so only a test at your tap tells you what you drink.
PurityMap's current record for Trinity holds 31 findings: 1 above a reference, 1 detected within the reference and 29 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 |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 4.5 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Lead (90th percentile) | 1.2 µg/L | 15 µg/L federal action level | Below the listed reference | 2023–2023 monitoring period | Lead & Copper Rule 90th-percentile: SEVEN SPRINGS (FL6512214) |
| 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 | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| 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 | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| 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 | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| 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 | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| 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 | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| 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 | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| 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 | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-10-09 to 2024-04-08 | UCMR5 Analytical Results: SEVEN SPRINGS (FL6512214) |
Perfluorooctanesulfonic acid (PFOS)
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)
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: SEVEN SPRINGS (FL6512214)
US EPA
State SDWIS Compliance Record
Lead & Copper Rule 90th-percentile: SEVEN SPRINGS (FL6512214)
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 Seven Springs reported something related, it's shown below.
Lead at Seven Springs: 1.2 µg/L (90th percentile, 2023 monitoring period). Lead has no taste, so a taste neither shows nor rules it out.