In short
Three main federal laws govern the environmental review of an AI data center project, namely the National Environmental Policy Act (NEPA), the Clean Water Act (CWA), and the Endangered Species Act (ESA). NEPA requires a review only when the project needs a federal permit, uses federal land, or gets enough federal money to create a major federal action. The CWA requires a permit from the Army Corps of Engineers if the project fills or dredges in waters of the United States, a scope that the Supreme Court sharply narrowed in 2023 to only wetlands that have a continuous surface connection to a relatively permanent body of water connected to traditional navigable waters. Sackett v. EPA The ESA requires consultation with the wildlife agency whenever a federal permit is needed and listed species or critical habitat may be present. In 2025 and 2026, the White House and agencies rewrote many of the rules to speed up AI data center permitting. CEQ rescinded all its NEPA regulations, each agency now writes its own, and the Supreme Court held that agencies need not study the environmental effects of projects separate in time or place from the project under review, especially when those projects fall outside the agency’s regulatory authority. CEQ interim final rule, CEQ NEPA implementation guidance, Seven County Infrastructure Coalition v. Eagle County Executive Order 14318 created a fast lane for data center projects over 100 megawatts or at least $500 million, with categorical exclusions and a presumption that less than 50% federal funding does not trigger NEPA. EO 14318 A nationwide general permit now explicitly covers AI data centers for small wetland fills, and a dedicated FAST-41 program can cut review time by roughly 18 months. 2026 Nationwide Permits Final Rule, Permitting Council accomplishments None of this preempts state environmental laws like California’s CEQA, which may require separate review even when a federal categorical exclusion applies.
The three federal reviews that most often matter
A developer prepares a site for an AI data center. The three federal environmental reviews that shape the schedule and the cost are NEPA, the Clean Water Act Section 404 wetlands permit, and Endangered Species Act Section 7 consultation. Each one kicks in only when a specific trigger is pulled.
- NEPA applies when a project needs a federal permit, uses federal land, or receives federal financial assistance that adds up to substantial federal control. Not every AI data center triggers NEPA. A project built with entirely private money on private land with no federal permit does not need NEPA review at all. But as soon as a Section 404 wetlands permit is required, that alone is a federal action that can trigger NEPA. 42 U.S.C. § 4332(2)(C), 33 C.F.R. § 325.2(a)(4)
- Clean Water Act Section 404 applies when a project discharges dredged or fill material into waters of the United States. That includes placing fill in a wetland or a stream. Almost any ground-disturbing construction on a site that contains wetlands or streams will need a Section 404 permit unless the waterbody is no longer federally jurisdictional after Sackett. 33 U.S.C. § 1344, Sackett v. EPA, 598 U.S. 651 (2023)
- Endangered Species Act Section 7 applies when a federal permit, funding, or land use authorization is required and the action may affect a listed species or critical habitat. The most common trigger is the same Section 404 permit that also triggers NEPA. If no federal nexus exists, the project may still need an Incidental Take Permit under ESA Section 10. 16 U.S.C. § 1539
These three reviews often run in parallel. The rest of this article walks through each one, how they changed in 2025 and 2026, and how new tools can shorten the timeline.
NEPA in 2026. No government wide rules, agency by agency procedures, and a narrower scope
NEPA’s basic command is in the statute, namely that all federal agencies shall, to the fullest extent possible and except where compliance would be inconsistent with other statutory requirements, include a detailed environmental impact statement in every recommendation or report on proposals for major federal actions significantly affecting the quality of the human environment. 42 U.S.C. § 4332(2)(C) For decades, the White House Council on Environmental Quality (CEQ) wrote the uniform government-wide regulations that said what that meant in practice. Those regulations are gone.
CEQ regulations rescinded
On April 11, 2025, CEQ’s NEPA regulations at 40 CFR Parts 1500 through 1508 were rescinded. The rescission followed a directive in Executive Order 14154 and two court decisions that held CEQ lacks statutory authority to issue binding NEPA regulations across all agencies. CEQ Rescission Interim Final Rule, 90 Fed. Reg. 10610 No uniform NEPA regulations exist as of the date of this article.
Instead, each federal agency must now write its own NEPA procedures. CEQ issued guidance on February 19, 2025 directing agencies to finish their own rules within 12 months, using the 2020 NEPA rule as a starting framework. The guidance instructed agencies to eliminate environmental justice analysis, add deadlines, limit the alternatives they study, and define when federal funding makes something a major federal action. CEQ Implementation Memo
Seven agencies, including the Department of the Interior, the Department of Energy, the Department of Defense, the Department of Transportation, the Department of Agriculture, the Department of Commerce, and the Federal Energy Regulatory Commission, published revised NEPA rules on July 3, 2025 that generally narrow the scope of NEPA analysis, limit consideration of indirect effects, expand the list of actions that qualify for categorical exclusions, make publication of a draft environmental impact statement optional, and restrict public comment. Law firm analysis, Law firm analysis, Harvard EELP NEPA Tracker
The Supreme Court limits NEPA’s reach
On May 29, 2025, the Supreme Court decided Seven County Infrastructure Coalition v. Eagle County. The Court held that courts must give federal agencies substantial judicial deference about what information is relevant in an environmental impact statement. It also held that NEPA does not require an agency to study the environmental effects of upstream or downstream projects that are separate in time or place from the project being reviewed. Seven County Infrastructure Coalition v. Eagle County
For an AI data center developer, this means the NEPA review for a wetlands fill permit does not have to analyze the emissions from the power plant that will serve the data center if the power plant is a separate project built by a different company at a different location. The agency can keep its review focused on the project in front of it.
Categorical exclusions and the 50% funding presumption
A categorical exclusion is the fastest path through NEPA. It is a pre-approved agency finding that a category of actions normally does not significantly affect the environment, so no environmental impact statement or even an environmental assessment is required. On April 9, 2026, CEQ released guidance that lets agencies adopt categorical exclusions already created by other agencies without new CEQ consultation. A single lead agency can make the determination, and agencies can point to past NEPA analyses as proof that a category normally has no significant effect. CEQ Categorical Exclusion Guidance
Executive Order 14318, discussed more fully below, orders CEQ and all agencies to establish new categorical exclusions for actions tied to Qualifying Projects (data center projects over 100 MW or at least $500 million). It also creates a rebuttable presumption that federal financial assistance covering less than 50% of total project costs does not create substantial federal control and responsibility, and therefore is not a major federal action that triggers NEPA at all. EO 14318 § 5(c) That presumption could remove NEPA entirely from many projects that receive some federal money, such as grants from the Department of Energy, as long as that money stays under half of the total capital stack.
Wetlands and the Clean Water Act. Sackett cut federal jurisdiction in half
The Clean Water Act prohibits the discharge of any pollutant, including dredged or fill material, into waters of the United States without a permit. 33 U.S.C. § 1311(a), 33 U.S.C. § 1344 For decades, the federal agencies defined waters of the United States, often called WOTUS, broadly, claiming jurisdiction over isolated wetlands and ephemeral streams under a significant nexus test. That test is dead.
On May 25, 2023, the Supreme Court in Sackett v. EPA held that the Clean Water Act reaches only wetlands that have a continuous surface connection to relatively permanent waters of the United States, so that the wetland is indistinguishable from those waters. Sackett v. EPA The Court expressly rejected the significant nexus test. Ephemeral streams and isolated wetlands that lack a continuous surface connection are no longer federally jurisdictional.
Estimates indicate roughly half of all U.S. wetlands lost federal protection after Sackett, about 118 million acres, along with at least 4.8 million miles of streams. Transect, Senate testimony For an AI data center developer, a wetland on the project site that does not have a visible surface connection to a river or lake may no longer need a federal Section 404 permit at all. This opens up sites that were previously uneconomic because the wetland permitting process would have taken too long.
An important caveat, many states, including California, Oregon, and Washington, maintain their own wetland protection laws that are broader than the post-Sackett federal scope. A developer may still need a state wetland permit even when no federal permit is required. Law firm analysis
EPA and the Army Corps released a proposed rule in November 2025 to codify Sackett nationwide and add a new wet season flow criterion for tributaries that would further narrow federal jurisdiction. The public comment period closed on January 5, 2026. Proposed WOTUS Rule The fate of that rule is not final.
A split regulatory landscape persists, as of this writing, 24 states plus the District of Columbia apply the amended 2023 Rule, while 26 states apply the pre-2015 regulations as constrained by Sackett. Tax alert The specific state matters a great deal.
How to get a wetlands permit. Nationwide Permit 39 now covers data centers
When a Section 404 permit is required, there are two routes. An individual permit requires a project-specific application, public notice, interagency review, and a public interest balancing. That process can take six months or longer. Law firm analysis The faster route is a nationwide permit (NWP), which pre-authorizes certain categories of activities that the Corps has already determined will have only minimal adverse effects on the aquatic environment.
The Corps reissued its nationwide permits on January 8, 2026, effective March 15, 2026, and expiring March 15, 2031. 2026 NWPs Final Rule, 91 Fed. Reg. 768 For AI data centers, the key change is that NWP 39, which covers commercial and institutional developments, now explicitly lists AI data centers and machine learning facilities as examples of covered commercial developments. The Corps stated in the Federal Register preamble that it agrees these are types of commercial developments and added the examples to the permit text. The list of examples is not exclusive, so even an AI data center that does not match the AI description is still likely covered as a commercial development.
NWP 39 retains its ½ acre permanent loss limit for non tidal waters of the United States. If the project will permanently fill more than half an acre of jurisdictional wetlands or streams, it cannot use NWP 39 and must apply for an individual permit. The permit also requires a pre construction notification (PCN) from the developer to the Corps for every activity, even when the impact is below the half acre limit.
The Corps now explicitly includes data centers in NWP 39 (Commercial and Institutional Developments) while retaining the existing half acre loss limit and preconstruction notification requirement. Law firm analysis (This is the only secondary citation from a law firm in this article. The primary source for the final rule is the Federal Register.)
A project that exceeds the half-acre limit enters the individual permit process, which can take many months. That is one reason why early wetland delineation and a careful site layout that avoids or minimizes wetland fills is one of the highest-return exercises in data center site selection.
Virginia and Maryland are different
NWP 39 is currently suspended in Virginia and Maryland, replaced by State Programmatic General Permits. WSSI Northern Virginia is the largest AI data center market in the world, so developers in Loudoun or Prince William Counties cannot use NWP 39 and must work through the state’s own permitting program. That program is still a Clean Water Act Section 404 authorization, administered by the Corps through the state, but the process and conditions differ. A developer working in Virginia must account for this in the timeline.
Section 401 water quality certification
Any project that needs a Section 404 permit also needs Section 401 water quality certification from the state or authorized tribe where the discharge originates. The certifying authority has up to one year to grant, condition, deny, or waive certification. A condition must be tied to a water quality requirement. 33 U.S.C. § 1341, 40 CFR § 121.7
On January 15, 2026, EPA proposed a rule that would narrow the scope of certification from the whole project down to the discharge itself and would limit what states can request from an applicant. The comment period closed February 17, 2026, and a final rule has not been published. EPA Proposed Section 401 Rule, EPA Section 401 regulatory requirements If finalized, that rule would give states less room to demand project-wide mitigation as a condition of certification.
The 2026 nationwide permits include a revised General Condition 25 that clarifies that the discharge must be into a water of the United States to trigger Section 401 certification. Law firm analysis
Endangered Species Act. Section 7 consultation when a federal permit is needed
ESA Section 7 requires each federal agency to insure that any action it authorizes, funds, or carries out is not likely to jeopardize the continued existence of any listed endangered or threatened species or result in the destruction or adverse modification of its critical habitat. 16 U.S.C. § 1536(a)(2) For a data center project, the most common trigger is the same Section 404 wetlands permit that pulls in NEPA. The lead federal agency, typically the Army Corps, must request a species list from the U.S. Fish and Wildlife Service or NOAA Fisheries. If listed species or critical habitat are present, the agency must prepare a biological assessment.
The ESA sets tight deadlines. A biological assessment for major construction must be completed within 180 days of receiving the species list. Once formal consultation begins, the wildlife agency must complete its work within 90 days and issue a biological opinion within 45 days after concluding formal consultation. 50 C.F.R. § 402.12(i), 50 C.F.R. § 402.14(e)
The consultation can end in three ways, namely no effect (no further action), may affect but not likely to adversely affect (which requires written concurrence from the Service), or may affect (which requires formal consultation and a biological opinion). If the biological opinion finds jeopardy, the action agency may adopt reasonable and prudent alternatives, deny the permit, seek an exemption, reinitiate consultation, or proceed if it believes the action satisfies section 7(a)(2). FWS consultation FAQs
A developer should screen for species early, ideally before buying the land. The USFWS IPaC online tool gives a preliminary species list. In Virginia, for example, the northern long-eared bat was reclassified from threatened to endangered in March 2023, which revoked earlier flexibility that had allowed tree clearing during the bat’s active season if timed properly. That reclassification can delay site preparation on any site with suitable habitat.
Executive Order 14318 directs the agencies to initiate programmatic Section 7 consultations for common construction activities tied to Qualifying Projects that will occur on identified federal sites over the next 10 years. EO 14318 § 8(a) directs agencies to initiate programmatic ESA section 7 consultation for common construction activities across Qualifying Projects over a 10-year period, covering multiple projects under a single consultation. EO 14318 § 8(a) As of the research date, no completed programmatic consultation had been publicly reported, so this remains a future tool rather than a present one.
Even when a project has no federal nexus at all, it may still need an Incidental Take Permit under ESA Section 10 if listed species are present on private land and the activity would harm them. That route requires a Habitat Conservation Plan and can take a year or more.
FAST-41. A proven 18-month accelerator for covered projects
The Fixing America’s Surface Transportation Act (FAST-41) created the Federal Permitting Improvement Steering Council and a process that coordinates all federal environmental reviews for a covered infrastructure project under a single timetable, posted on a public dashboard. FAST-41 does not change any environmental standard. It changes the clock management. Every agency that must sign off on a permit is bound to deadlines, and the entire schedule is visible to the public and to project sponsors. 42 U.S.C. § 4370m-2, 42 U.S.C. § 4370m-6
The Permitting Council reports that FAST-41 projects reach a record of decision roughly 18 months faster than comparable non-FAST-41 projects. Broadband Breakfast Sectors eligible for FAST-41 coverage now include semiconductors, artificial intelligence and machine learning, high-performance computing and advanced computer hardware and software, and data storage and data management, added by subsequent legislation. USET Inc presentation, Permitting Council
On April 2, 2026, the QTS Richmond Technology Park Data Center 5 in Henrico County, Virginia became the first AI data center ever designated a FAST-41 covered project. FAST-41 QTS Richmond press release The campus already has four operational buildings. The project will add two more, and the Army Corps is the federal permitting lead. Construction is expected to begin by January 2028.
EO 14318 directs the FAST-41 Executive Director to designate Qualifying Projects as Transparency Projects and to move them quickly to covered project status. That instruction, combined with the QTS precedent, suggests that future AI data center projects with at least $500 million in capital investment or 100 MW of new load have a clear path into the FAST-41 process.
A project sponsor who enters FAST-41 gains a single permitting dashboard, a Coordinated Project Plan, and the ability to transfer funds from the Environmental Review Improvement Fund to agencies to help them meet their review deadlines.
Executive Order 14318. Pulling every available lever at once
A sweeping change for AI data center environmental review is Executive Order 14318, signed July 23, 2025. EO 14318 It revokes the prior administration’s AI executive order and directs a government-wide effort to accelerate permitting for data center infrastructure under NEPA, the Clean Water Act, the Clean Air Act, CERCLA, TSCA, the ESA, and FAST-41. Several of its provisions have already been described in the sections above. It helps to see the full scope of the order together.
Qualifying Projects and covered components
The EO defines a Data Center Project as a facility that needs more than 100 MW of new load dedicated to AI inference, training, simulation, or synthetic data generation. A Qualifying Project is a Data Center Project or a Covered Component Project for which the project sponsor has committed at least $500 million in capital expenditures as determined by the Secretary of Commerce, that involves an incremental electric load addition of greater than 100 MW, that protects national security, or that has otherwise been designated by the Secretary of Defense, the Secretary of the Interior, the Secretary of Commerce, or the Secretary of Energy as a Qualifying Project. Covered Components include transmission lines, natural gas pipelines, natural gas turbines, nuclear power equipment, geothermal power equipment, and backup power supply. EO 14318 § 2
Specific directives
- Categorical exclusions. CEQ must coordinate with relevant agencies to establish new categorical exclusions for actions related to Qualifying Projects that normally do not have a significant effect on the human environment. Agencies shall rely on any sufficient basis to establish these categorical exclusions as each agency determines. EO 14318 § 5(b)
- Federal funding presumption. Federal financial assistance covering less than 50% of total project costs is presumed not to make the project a major federal action for NEPA purposes, as described earlier. EO 14318 § 5(c)
- Nationwide permits. The Army Corps must review whether an activity-specific NWP is needed for Qualifying Projects. The Corps concluded that clarifying NWP 39 was sufficient and declined to create a standalone AI data center NWP, but the review was directed by the EO. EO 14318 § 8(b), Reissuance and Modification of Nationwide Permits, 91 Fed. Reg. 768
- Brownfields and Superfund sites. EPA must identify Brownfield and Superfund sites suitable for AI data centers and issue guidance to speed the environmental reviews for that reuse. EPA guidance on Superfund and Brownfield sites as AI data centers
- Federal sites. The Departments of the Interior and Energy must offer authorizations for identified federal sites for AI data center development. The Army selected two companies for projects at Fort Bliss, Texas and Dugway Proving Ground, Utah. Federal News Network, Army Corps public notice, Arkansas Democrat-Gazette DOE also selected four federal sites in July 2025 to move forward with plans to invite private sector partners. CRS Report R48762
- Programmatic ESA consultation. Directs programmatic Section 7 consultation for construction activities on identified federal sites over the next decade. EO 14318 § 8(a)
- FAST-41. Authorizes the Executive Director to designate Qualifying Projects as Transparency Projects and directs the Executive Director to expedite the transition of eligible Qualifying Projects to covered project status. EO 14318 § 6
The EO creates a category of large AI data center projects that the federal government will treat as a priority and will push through the environmental review process faster, with less scrutiny of indirect effects, more categorical exclusions, and, in many cases, no NEPA review at all.
Real projects show how the new rules work on the ground
Google AI data center, Port of Little Rock, Arkansas
On April 6, 2026, the Army Corps published a public notice for a proposed Google data center on a site at the Port of Little Rock. Through a front company, Willowbend Capital LLC, the project would fill nearly 17 acres of wetlands and more than 6,000 linear feet of streams. It would build five industrial buildings totaling about 1.43 million square feet, plus two office buildings, an electrical substation, and supporting infrastructure, with an expected load above 100 MW. The public comment period ran through May 1, 2026. Federal News Network
This project is far beyond NWP 39’s half-acre limit. It must proceed through an individual Section 404 permit, which triggers the full NEPA environmental impact statement or environmental assessment and ESA consultation. The Corps notice makes the project visible to the public and invites comment, the very process that the new agency rules and the EO seek to shorten.
QTS Richmond Technology Park Data Center 5, Virginia
The first data center to achieve FAST-41 covered project status. The QTS campus in Henrico County already has four operational data center buildings. The Data Center 5 project will add two more, and the FAST-41 process will establish a coordinated federal permitting schedule. Construction is expected to begin by January 2028. The Corps is the federal lead. FAST-41 QTS Richmond press release
Google data center, Botetourt County, Virginia (Project Raspberry)
Another Google project, this one drew local pushback during the Corps public comment period. The record number is NAO-2025-01857. Federal News Network Virginia, as the largest data center market in the world, is where the tension between federal acceleration and local review is most acute.
State environmental laws remain in place
None of the federal changes preempt state environmental laws. California’s CEQA, for example, may require its own environmental impact report even when a federal categorical exclusion eliminates NEPA review entirely. Several states also maintain their own wetland permitting programs that reach further than the current federal definition of waters of the United States. A developer must account for both layers.
NPDES construction stormwater permit
A separate Clean Water Act requirement applies to nearly every large construction project, namely, any activity disturbing one acre or more must obtain coverage under a National Pollutant Discharge Elimination System (NPDES) Construction General Permit. The permit, issued by EPA or an NPDES-authorized state, imposes stormwater pollution prevention and erosion control standards. EPA Water-Related Permits for Data Centers This is a routine, well-understood permit and does not involve the same level of delay as a wetlands permit or NEPA review.
Key takeaways
- NEPA applies only when a major federal action is present. If a data center needs a Section 404 wetlands permit, that alone may trigger NEPA unless a categorical exclusion applies. Federal funding below 50% of total project costs now carries a presumption against triggering NEPA.
- The rescission of CEQ’s NEPA regulations means each agency writes its own procedures, and they generally narrow the scope of review, limit indirect effects, and expand categorical exclusions.
- Seven County Infrastructure Coalition gives agencies substantial deference and relieves them from studying upstream or downstream projects that are separate in time or place. Use this to argue for a narrower EIS.
- Sackett v. EPA removed federal WOTUS jurisdiction from isolated wetlands. A wetland on a potential data center site that lacks a continuous surface connection to a navigable waterbody likely needs no federal Section 404 permit. Check state wetland laws, because they may still apply.
- NWP 39 now explicitly covers AI data centers but retains a ½-acre permanent loss limit and a PCN requirement. Any fill above half an acre requires an individual permit, a process that can take many months. In Virginia and Maryland, NWP 39 is suspended and replaced by state programmatic permits.
- Section 401 certification from the state is required for any Section 404 permit. The state has up to one year to act, and a pending EPA rule would narrow the scope of that review. Watch for the final rule.
- ESA Section 7 consultation is automatic when a federal permit is needed and listed species or habitat are present. Run an IPaC screening early. The consultation deadlines are strict, but they still add months to the schedule. The northern long-eared bat reclassification can affect tree clearing in many eastern states.
- FAST-41 now covers AI data centers and can cut roughly 18 months from the permitting timeline. The QTS Richmond project is the first to use it. A project over 100 MW or at least $500 million has a strong case for FAST-41 coverage, and EO 14318 directs the Permitting Council to prioritize it.
- EO 14318 offers categorical exclusions, a 50% funding presumption, direction to use federal sites, programmatic ESA consultation, and priority for Qualifying Projects. A project that meets the definition should structure its applications around these tools.
- State laws like CEQA may still require independent environmental review even when federal review is shortened or eliminated. Factor that into the schedule from day one.
Frequently asked questions
Q:Do all AI data center projects need a federal environmental impact statement?
A:
No. NEPA only applies if the project needs a federal permit, uses federal land, or receives enough federal financial assistance to create a major federal action. A project built with private money on private land and with no wetlands that require a federal permit does not trigger NEPA at all. Even when NEPA applies, many projects can qualify for a categorical exclusion and skip the full environmental impact statement.
Q:What did Sackett v. EPA change for data center site selection?
A:
It removed federal Clean Water Act jurisdiction from wetlands that do not have a continuous surface connection to a navigable waterbody. This means many wetlands that would have required a Section 404 permit in the past no longer need one. A developer can now consider sites with isolated wetlands without facing months of federal wetland permitting, though state wetland permits may still apply.
Q:How much wetland fill can an AI data center do under Nationwide Permit 39?
A:
NWP 39 allows up to ½ acre of permanent loss of non-tidal waters of the United States. Any fill above that threshold requires an individual Section 404 permit, which involves a longer public notice and interagency review process.
Q:Why did the Corps put AI data centers into NWP 39 instead of creating a standalone permit?
A:
The Corps considered a proposal for a standalone data center NWP with a 1-acre threshold and no pre-construction notification requirement but concluded that clarifying NWP 39 was sufficient and that the half-acre limit and PCN requirement adequately protected the environment. It said in the Federal Register that data centers, including AI and machine learning facilities, are types of commercial developments already covered by NWP 39.
Q:Does a project need a Section 401 state water quality certification if it already has a wetlands permit?
A:
Yes. Every Section 404 permit from the Corps also requires Section 401 certification from the state or authorized tribe where the discharge originates. The state can grant, condition, deny, or waive it. The state has up to one year to act, and a failure to act results in a waiver.
Q:What is FAST-41 and how can a data center project use it?
A:
FAST-41 is a federal program that coordinates all environmental reviews for a covered project under a single public schedule with binding deadlines. It does not change any environmental standard, but projects in the program reach a record of decision nearly 18 months faster on average. AI and data center projects are eligible. EO 14318 directs the Permitting Council to prioritize Qualifying Projects. The first data center project to receive FAST-41 coverage is the QTS Richmond Technology Park Data Center 5 in Virginia, as of April 2026.
Q:Does Executive Order 14318 apply to a 50 MW AI data center?
A:
The EO’s definitions set a floor of 100 MW of new load or a $500 million total capital investment for a Qualifying Project, unless the project protects national security or gets a special designation from the Secretaries of Defense, Interior, Commerce, or Energy. A 50 MW data center that does not meet the capital threshold likely does not qualify for the categorical exclusions, funding presumption, federal site prioritization, or the FAST-41 directive, although some of the broader NEPA changes (like the agency-by-agency rules) still apply.
Q:Can a developer avoid Endangered Species Act review entirely?
A:
Only if no federal permit, funding, or land authorization is required and no listed species or critical habitat are present on the site. If a Section 404 wetlands permit is needed, ESA review is almost always triggered. Even without a federal nexus, an Incidental Take Permit under ESA Section 10 may be required if listed species are present and the project would harm them.
Q:What is the single biggest time variable in federal environmental review for an AI data center?
A:
Whether the project can avoid an individual Clean Water Act Section 404 permit. The difference between an NWP 39 authorization measured in weeks and an individual permit that often takes six months or more is the largest single swing in the timeline. Early wetland delineation and site layout to stay under the half-acre permanent loss limit is a high payoff step.
Q:Do any of these federal changes preempt state environmental reviews?
A:
No. State laws such as California’s CEQA, state wetland protection statutes, and state endangered species laws operate independently. A federal categorical exclusion or a narrowed NEPA review does not relieve the developer of state-level obligations. The schedule must account for both tracks.
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Junde Liu, JD, LL.M. (Taxation) candidate at UF Law. Originally published on Compute Law Blog. This article is general information and does not constitute legal advice. Reading it does not create an attorney client relationship. The reader should not act on the basis of any content here without first consulting a licensed attorney in the relevant state. Last reviewed for accuracy May 23, 2026.