Is There PFAS in New Baltimore Tap Water?
New Baltimore, VA: PFOS 12 ng/L, 3× EPA's 4 ng/L limit; PFOA also above. Every PFAS result and filter certifications per compound.
6 of 29 PFAS detected
Each result is read against its own reference. Only PFOA, PFOS and PFHxS have federal limits. PFPeA has no federal or state limit and is shown for transparency, not graded.
- PFOSFederal MCLPerfluorooctanesulfonic acid12ng/LAbove its limit · sampled 2023-06-20 to 2023-12-26Evidence
- PFOAFederal MCLPerfluorooctanoic acid4.9ng/LAbove its limit · sampled 2023-06-20 to 2023-12-26Evidence
- PFHxSFederal MCLPerfluorohexanesulfonic acid6.2ng/LDetected, below its limit · limit under EPA review · sampled 2023-06-20 to 2023-12-26Evidence
- PFBSEPA health advisoryPerfluorobutanesulfonic acid5.6ng/LDetected, below its EPA health advisory · sampled 2023-06-20 to 2023-12-26Evidence
- PFHxAState MCL · MichiganPerfluorohexanoic acid8.2ng/LDetected, below its state limit · sampled 2023-06-20 to 2023-12-26Evidence
- PFPeANo limitPerfluoropentanoic acid11ng/L
No federal or state limit: shown for transparency, not graded.
Detected, no limit · sampled 2023-06-20 to 2023-12-26Evidence
- PFOAMCL4.9 ng/L
- PFOSMCL12 ng/L
- PFHxSMCL6.2 ng/L
- PFNAMCLNot detected
- HFPO-DA (GenX)MCLNot detected
- PFBS5.6 ng/L
- PFHxA8.2 ng/L
- PFPeA11 ng/L
- 11Cl-PF3OUdSNot detected
- 4:2 FTSNot detected
- 6:2 FTSNot detected
- 8:2 FTSNot detected
- 9Cl-PF3ONSNot detected
- ADONANot detected
- NEtFOSAANot detected
- NFDHANot detected
- NMeFOSAANot detected
- PFBANot detected
- PFDANot detected
- PFDoANot detected
- PFEESANot detected
- PFHpANot detected
- PFHpSNot detected
- PFMBANot detected
- PFMPANot detected
- PFPeSNot detected
- PFTANot detected
- PFTrDANot detected
- PFUnANot detected
MCL marks the 5 PFAS given a federal limit in EPA's 2024 rule. EPA has proposed rescinding three of those limits; they apply until a final rule.
Results as a table29 results with limit, status, sample date and source
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 12 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorooctanoic acid (PFOA) | 4.9 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorohexanesulfonic acid (PFHxS) | 6.2 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorobutanesulfonic acid (PFBS) | 5.6 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 | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorohexanoic acid (PFHxA) | 8.2 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoropentanoic acid (PFPeA) | 11 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| 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 | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| 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 | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| 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 | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| 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 | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| 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 | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-20 to 2023-12-26 | UCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318) |
PFOS across 764 cities with a detected value
3,396 more were below the lab's 4 ng/L reporting limit and aren't plotted, and 34 have no result on record. 66 cities above 25 ng/L are grouped in the last bar. A position here is not a verdict on the water.
- NEW BALTIMORE REGIONAL's water system as a whole, as reported to EPA UCMR 5.
- 29 PFAS compounds, each with its own result.
- Samples taken 2023-06-13 to 2023-12-26.
- The water at your tap. Building plumbing isn't in this record.
- PFAS not listed in the 29 above were not reported in these records.
- Levels since the last sample have not been published.
Test first, then match a certified method.
A tap test can confirm levels at your home before you choose treatment.
- PFOA · exceeds the limit
- PFOS · exceeds the limit
- PFBS · detected below the limit
- PFHxA · detected below the limit
- PFHxS · detected below the limit
- PFPeA · detected, no federal or state limit
- Reverse osmosisOpen the method →
- Activated carbon (GAC)Open the method →
- Anion exchangeOpen the method →
Fit for New Baltimore’s PFAS, compound by compound
Each filter is checked against the 6 PFAS detected here. A ✓ needs a current certification record that names the compound. A PFAS claim on the box is not enough.
As an Amazon Associate, PurityMap earns from qualifying purchases. A product appears here only when a current certification record covers at least one identified concern; every concern stays listed. The retail offer is looked up afterwards and never changes which products appear or their order. Affiliate disclosure.
- ✓Certified for this compound
- ?Claimed or likely, not established
- –No claim on record

Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200)
Activated Carbon (Claryum)- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

Aquasana Claryum 3-Stage Max Flow Under-Sink Filter (AQ-6300M)
Activated Carbon (Claryum)- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

Aquasana Clean Water Machine Countertop Filter (AQ-CWM2)
Activated Carbon (Claryum)- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

Patriot Pure Ultimate Water Filtration System
Gravity pour-through (Nanomesh filter)- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

AquaTru Carafe Countertop Reverse-Osmosis Purifier (AT100)
Reverse Osmosis- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

AquaTru Classic Countertop Reverse-Osmosis Purifier (AT2000)
Reverse Osmosis- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

Waterdrop G3P600 Tankless Reverse-Osmosis System
Reverse Osmosis- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

Waterdrop G3P800 Tankless Reverse-Osmosis System
Reverse Osmosis- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.

Whirlpool Filter 3 Refrigerator Water Filter (WHR3RXD1)
Activated Carbon- PFOA4.9 ng/L✓Certified for this compound
- PFOS12 ng/L✓Certified for this compound
- PFBS5.6 ng/L–No claim on record
- PFHxA8.2 ng/L–No claim on record
- PFHxS6.2 ng/L–No claim on record
- PFPeA11 ng/L–No claim on record
Certified for PFOA, PFOS; not established for PFBS, PFHxA, PFHxS, PFPeA.
- Browse, not a match:
- Brita Elite Water Filter Pitcher
- Clearly Filtered Pitcher (lab-tested, not NSF 53 certified)
- Culligan ZeroWater 10-Cup Pitcher (ZEROP10)
- Frizzlife SP99 Under-Sink Filter
Frequently asked
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Is there PFAS in New Baltimore tap water?
In EPA's UCMR 5 testing of NEW BALTIMORE REGIONAL (2023-06-20 to 2023-12-26): PFBS 5.6 ng/L (EPA health advisory 2,000), PFHxA 8.2 ng/L (state limit 400,000), PFHxS 6.2 ng/L (limit 10), PFOA 4.9 ng/L (limit 4), PFOS 12 ng/L (limit 4), PFPeA 11 ng/L (no federal or state limit) and the other 23 PFAS tested not detected. "Not detected" means below the lab's reporting limit, not proven zero.
What are the federal PFAS limits?
EPA's 2024 drinking-water rule set maximum contaminant levels of 4.0 ng/L for PFOA and for PFOS, and 10 ng/L for PFHxS, PFNA and HFPO-DA (GenX). In May 2026 EPA proposed keeping the PFOA and PFOS limits, with the option of until 2031 to comply, and rescinding the other three. Until a final rule, all five limits apply. Results above them today are above the limits in force.
How do I remove PFAS from my tap water?
Reverse-osmosis systems and filters certified to NSF/ANSI 53 or 58 for PFOA/PFOS reduction are the proven options at the tap. Check the certifier's listing (NSF, WQA or IAPMO) for the exact model, and replace cartridges on schedule.
- UCMR5 Analytical ResultsUCMR5 Analytical Results: NEW BALTIMORE REGIONAL (VA6061318)US EPA · 2026-01-15View source ↗
- State SDWIS Compliance RecordLead & Copper Rule 90th-percentile: NEW BALTIMORE REGIONAL (VA6061318)US EPA SDWIS · 2026-07-09View source ↗
- State SDWIS Compliance RecordEPA SDWIS Violations & Enforcement: NEW BALTIMORE REGIONAL (VA6061318)US EPA SDWIS · 2026-07-09View source ↗