The U.S. Environmental Protection Agency (EPA), Department of Defense (DoD), and other federal agencies are advancing per- and polyfluoroalkyl substances (PFAS) actions that affect product use, commerce, procurement, drinking water, wastewater, waste management, reporting, and cleanup liability. These actions demonstrate that the federal PFAS regulations are moving beyond monitoring and research, and toward enforceable compliance obligations.
For facilities that manufacture, import, process, use, discharge, manage, or dispose of PFAS-containing materials, the practical question is no longer whether PFAS regulation may expand. It is where and when PFAS may directly impact facility operations, economics, supply chains, permits, waste streams, and historical site conditions.
In this article, we discuss:
- Understanding the Federal PFAS Regulatory Landscape for 2026/2027
- PFAS Lifecycle Questions Facilities Should Ask
- Key Federal PFAS Regulatory Developments Facilities Should Watch
- Key Takeaways for PFAS Compliance Planning
Understanding the Federal PFAS Regulatory Landscape for 2026/2027
Federal PFAS activity is not limited to one program or one regulatory endpoint. The federal landscape, as outlined in the latest Unified Agenda reflects a broader strategy to limit PFAS use in products and procurement, reduce PFAS releases to water and the environment, increase reporting and monitoring, and expand cleanup liability under the Resource Conservation and Recovery Act (RCRA), as well as the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
One way to visualize EPA’s evolving approach is through a PFAS lifecycle framework. Historically, many regulatory efforts focused on contamination discovered in drinking water or at impacted sites. Today’s federal actions increasingly address PFAS at multiple points throughout its lifecycle. This matters because PFAS obligations can arise even at facilities that do not manufacture PFAS. State and federal agencies are also beginning to measure, recognize, and account for anthropogenic background that is unavoidably impacting decision making and media testing.
PFAS Lifecycle Questions Facilities Should Ask
As PFAS requirements continue to expand, facilities should evaluate how PFAS move through their products, value chains, operations, waste streams, and historical site activities. The following questions can help to identify potential compliance gaps, data needs, and risk management strategies.
- Where could PFAS enter the facility as raw materials, products, coatings, firefighting equipment, process chemicals, or imported goods?
- Where could PFAS leave the facility through wastewater, stormwater, air emissions, waste shipments, residuals, or products?
- Do supplier records readily identify intentionally added PFAS, perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), or other listed compounds?
- Are there confidential ingredient lists that could impact liabilities?
- Are PFAS data stored in a way that supports reporting, permit renewals, audits, and regulator questions?
- Could historical operations, disposal practices, or property transfers create future cleanup or cost-allocation questions?
- Are environmental, procurement, operations, legal, and product stewardship teams working from the same PFAS information?
- If there are no plausible PFAS sources identified, are the detections explained by anthropogenic background unrelated to facility operations?
Key Federal PFAS Regulatory Developments Facilities Should Watch
The answers to these questions will vary by facility, but the federal actions under development provide a useful framework for identifying potential areas of exposure. The following table provides a high-level overview of the federal PFAS developments most likely to affect facilities. The sections below discuss each regulatory area in greater detail, including the potential compliance, operational, and liability considerations associated with each action.
| Regulatory Area | Facilities Most Likely Affected | What to Review Now |
| DoD procurement restrictions | Federal suppliers, product manufacturers, facilities supporting defense programs | Product content, supplier certifications, contract requirements |
| Drinking water regulation | Public water systems and potential source-area facilities | Monitoring data, treatment planning, source-area documentation |
| Effluent guidelines | PFAS manufacturers, formulators, chromium electroplaters, metal finishers, landfills | Wastewater streams, discharge points, process chemicals |
| NPDES permitting | Industrial and municipal dischargers | Permit application data, sampling plans, outfall characterization; related PFAS in biosolids |
| Analytical methods | Facilities collecting PFAS data for compliance or investigations | Laboratory methods, data quality objectives, sampling procedures |
| RCRA | Treatment, storage, and disposal facilities; facilities in corrective action | Waste profiles, site history, environmental media data |
| CERCLA | Facilities with historical releases, disposal links, or contaminated sites | Release history, disposal records, fire training areas, due diligence files |
| TSCA reporting | Manufacturers and importers | Historical production, import, use, exposure, and disposal records |
| SNURs | Manufacturers, processors, importers, R&D and product teams | Product changes, imported materials, new chemical uses |
| TRI reporting | Facilities manufacturing, processing, or otherwise using listed PFAS | Threshold calculations, supplier notifications, public reporting records |
DoD PFAS Procurement Restrictions
Beginning October 1, 2026, DoD will prohibit procurement of firefighting personal protective equipment (PPE) containing intentionally added PFAS. Existing federal procurement restrictions also cover certain cookware, furniture, carpets, and rugs containing PFOS, PFOA, or PFAS-based stain-resistant treatments.
For federal suppliers and facilities supporting defense-related contracts, these restrictions make product-content documentation increasingly important. Procurement requirements can quickly become supply-chain review issues when PFAS information depends on upstream suppliers, coatings, treatments, or component materials. Challenge arises when product composition documentation does not readily disclose PFAS content.
EPA PFAS Drinking Water Regulation
EPA finalized the PFAS National Primary Drinking Water Regulation (NPDWR) in April 2024, establishing nationwide enforceable drinking water limits for PFAS. The rule creates Maximum Contaminant Levels (MCLs) for PFOA and PFOS and requires public water systems to monitor for PFAS and take corrective action when standards are exceeded.
Recently, EPA proposed changes that would limit compliance to PFOS/PFOA only, and provide a compliance extension mechanism. Other Safe Drinking Water Act (SDWA) developments include four short chain PFAS in the 6th Unregulated Contaminant Monitoring Rule (UCMR), and PFAS as a class in the 6th Contaminant Candidate List (CCL). Though, the 5th Regulatory Determination did not include additional PFAS.
For public water systems, PFAS detections may trigger additional monitoring, treatment requirements, public notification, and regulatory response actions. For industrial facilities and other potentially responsible parties, drinking water exceedances may lead regulators and water systems to investigate potential PFAS sources, including manufacturing facilities, wastewater dischargers, airports, landfills, fire training areas, and historical disposal sites. As a result, the NPDWR may indirectly increase remediation obligations, litigation exposure, and cost recovery efforts associated with PFAS contamination.
Industrial Wastewater Effluent PFAS Guidelines
EPA is expanding PFAS controls through industrial wastewater effluent limitation guidelines (ELGs), signaling a shift from addressing PFAS after contamination is found to controlling PFAS closer to the point of release.
EPA is developing PFAS discharge limits for manufacturers and formulators under the Organic Chemicals, Plastics, and Synthetic Fibers (OCPSF) guidelines at 40 CFR Part 414. These requirements are intended to address PFAS releases from facilities that manufacture or formulate PFAS, and discharge wastewater directly to surface waters or indirectly to publicly owned treatment works.
EPA is also updating ELGs for chromium electroplating and metal finishing facilities, particularly operations that use PFAS-containing mist suppressants. These standards are expected to be incorporated into 40 CFR Part 433. For affected facilities, this development connects product use directly to wastewater compliance.
EPA is updating landfill wastewater rulemaking to address PFAS-containing leachate and associated wastewater streams. This is significant for landfill operators, leachate treatment systems, wastewater treatment facilities receiving landfill leachate, and entities that send PFAS-containing waste to landfills. Landfills may receive PFAS from many sources, including consumer products, industrial waste, biosolids, contaminated soil, spent treatment media, and discarded firefighting foam. As PFAS expectations evolve, landfill leachate management may become a more visible part of facility compliance planning. EPA has not specified a timeline for ELG completion.
PFAS Requirements Under NPDES Permitting
EPA is revising National Pollutant Discharge Elimination System (NPDES) permit application requirements at 40 CFR 122.21 to include PFAS among pollutants that industrial and municipal dischargers may need to evaluate and report. This development could affect facilities during permit applications, renewals, and modifications. If PFAS monitoring becomes part of permit application requirements, facilities may need to generate defensible data before they can understand permit implications. To date, the 2022 EPA guidance to states on PFAS in permitting remains, although it could be subject to change by the new administration. On a somewhat related note, EPA is studying PFAS in biosolids, with two publications available: draft biosolids risk assessment and recent draft biosolids guidance. To date, the agency has not established PFAS limits in biosolids as some of the states have.
EPA-Approved PFAS Analytical Test Methods
EPA is incorporating approved PFAS analytical methods (e.g., EPA1633A and EPA1621) into the Clean Water Act (CWA) monitoring rules at 40 CFR Part 136. Standardized analytical methods are important because PFAS compliance increasingly depends on consistent, reliable, and defensible data. Without approved methods, it is difficult to compare results across facilities, permits, investigations, and enforcement contexts. With approved methods, sampling design, laboratory selection, quantitation limits, and data validation have become more important parts of compliance planning. No specific dates were provided by the Office of Management and Budget (OMB) for methods of promulgation.
PFAS as Hazardous Constituents Under RCRA
EPA is moving to list nine PFAS as hazardous constituents under RCRA. This is a significant development because it would expand corrective action authority and require investigation of PFAS releases at regulated facilities. For hazardous waste treatment, storage, and disposal facilities, RCRA hazardous constituent listings could affect site characterization, corrective action, waste management decisions, and long-term environmental obligations and costs. Facilities with historical PFAS handling or disposal activities may need to evaluate whether PFAS should be added to investigation and remediation scopes. The final rule is expected by January 2027.
PFOA and PFOS as CERCLA (Superfund) Hazardous Substances
EPA has designated PFOA/PFOS, and potentially additional PFAS in future, as hazardous substances under CERCLA, increasing cleanup and reporting obligations. From a facility-risk perspective, this may be one of the most consequential federal PFAS developments because CERCLA creates mechanisms for response actions, cost recovery, and contribution litigation among potentially responsible parties.
CERCLA implications may extend beyond PFAS manufacturers. Facilities with fire training areas, treatment residuals, landfills, bulk storage, historical product use, or legacy disposal pathways may receive questions about whether they contributed to PFAS releases. Property transactions and site investigations may also place greater attention on historical PFAS use and disposal. It is uncertain whether the new administration will add additional PFAS to the CERCLA designation anytime soon, though it did indicate that it will rely on CERCLA authorities to interact with responsible parties.
TSCA Section 8(a)(7) PFAS Reporting Requirements
EPA’s Toxic Substances Control Act (TSCA) Section 8(a)(7) reporting rule requires manufacturers and importers to report PFAS-related information covering 2011 through 2022, with reporting beginning in 2026. The rule requires available information related to production, use, exposure, disposal, and health and environmental effects. The practical challenge for facilities is that the required information may be spread across purchasing, product stewardship, environmental, health and safety, waste management, import, and historical business records. Moreover, ready PFAS disclosure in products is not consistently practiced. The latest iteration of the reporting rule is set to take effect on January 31, 2027.
TSCA Significant New Use Rules for PFAS
EPA continues expanding Significant New Use Rules (SNURs) to prevent covered PFAS from re-entering commerce without review. Under SNUR requirements, companies that intend to manufacture, process, or import covered PFAS for a significant new use must notify EPA at least 90 days before beginning that activity. Once notified, EPA subjects the petitioned substances to a comprehensive review that may take months to complete.
For facilities, SNURs are especially relevant to product development, substitution, purchasing, research and development, and imported materials. A product change that appears operationally minor may still require regulatory review if it involves a covered PFAS and a significant new use. SNURs under TSCA are an ongoing compliance obligation and subject to EPA audits.
PFAS Reporting Under the Toxics Release Inventory
PFAS listed under Emergency Planning and Community Right-to-Know Act (EPCRA) Section 313 must be reported to the Toxics Release Inventory (TRI) program when applicable thresholds are exceeded. The source summary identifies an individual compound, 100-pound reporting threshold for most listed PFAS, reduced exemptions, and expanded supplier notification requirements.
TRI reporting increases public transparency. For facilities, that means PFAS data must be not only available, but traceable and explainable. Supplier notifications, product composition records, throughput calculations, and waste management data may all become relevant to annual reporting determinations. Increasing further complexity, is the annual addition of PFAS compounds, currently sitting at 206 for the 2026 reporting year. The annual PFAS expansion mechanism is set indefinitely in the rule.
Key Takeaways for 2026/2027 PFAS Compliance Planning
The 2026/2027 federal PFAS landscape reflects a broad strategy to reduce PFAS use, limit environmental releases, increase reporting and monitoring, and expand cleanup liability. For facilities, the most important takeaway is that comprehensive PFAS compliance is materializing through several programs at once, including procurement, commerce, drinking water, wastewater, reporting, waste management, and contaminated site work.
Facilities should evaluate where PFAS may be present in products, processes, wastes, discharges, and historical site conditions. They should also identify documentation gaps, review supplier information, assess permit and reporting implications, and track rulemaking developments that may affect future obligations.
PFAS regulation is becoming more enforceable, more data-driven, and more connected across programs. Facilities that understand their PFAS footprint now will be better positioned to respond to future requirements, regulator questions, customer requests, community concerns, and liabilities.
