National Environmental Policy Act (NEPA) analyses and Endangered Species Act (ESA) Section 7 consultations are high on the list of project time, cost and risk drivers. The impact of these environmental reviews on projects often turns on the scope of those reviews, which in turn depends on determining which effects will be caused by the action. In August 2019 the US Fish and Wildlife Service and National Marine Fisheries Service established, for the first time, a regulatory causation standard governing ESA section 7 consultations, and, in January 2020, the Council on Environmental Quality proposed a new regulatory causation standard governing NEPA reviews.
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Last week the Federal Energy Regulatory Commission (FERC) made some headway in how it evaluates greenhouse gas (GHG) emissions from natural gas-related projects. In recent FERC pipeline certification proceedings, the two Democrats on the Commission have been critical of how FERC addresses a project’s potential GHG emissions and climate change impacts. With only four active

On Friday, a court ruling provided some clarity regarding the Clean Water Act (CWA) § 401 water quality certification process. As forecasted in our November 1, 2018 blog post (below), the US Court of Appeals for the DC Circuit has ruled that a state waives its CWA § 401 authority when, pursuant to a written agreement, an applicant repeatedly withdraws and resubmits its request for water quality certification in order to restart the one-year waiver clock. Hoopa Valley Tribe v. FERC, No. 14-1271 (D.C. Cir. Jan. 25, 2019). According to the Court’s opinion, this sort of arrangement serves to circumvent the Federal Energy Regulatory Commission’s (FERC) “congressionally granted authority over the licensing, conditioning, and developing of [the] project,” and “if allowed, the withdrawal-and-resubmission scheme could be used to indefinitely delay federal licensing proceedings and undermine FERC’s jurisdiction to regulate such matters.”
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In recent litigation involving the development of interstate natural gas pipelines, one of the key issues has been whether the state has waived its authority under Clean Water Act section 401 by exceeding the one-year time period. In a separate case involving a series of hydroelectric facilities, the waiver period was again directly at issue. On October 1, at oral argument before the D.C. Circuit, the parties addressed whether California and Oregon had waived their water quality certification authority by having the applicant withdraw and resubmit its request for certification over a number of years. Notably, the judges seemed to agree that FERC could make a waiver determination before the end of the one-year time limit and that withdrawing and resubmitting an application may not always restart the clock.
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As we highlighted in our March 2, 2018, post, the US District Court for the Middle District of Louisiana ordered the $750 million Bayou Bridge pipeline to halt construction within the Atchafalaya Basin when it concluded that the US Army Corps of Engineers’ environmental analysis likely violated the National Environmental Policy Act (NEPA) and the Clean Water Act (CWA) due to the following deficiencies:

  • The Corps did not provide sufficient explanation for how the proposed off-site mitigation would compensate for the loss of wetlands impacted by construction; and
  • The Corps failed to sufficiently consider and address historical impacts to wetlands from past pipeline projects in the cumulative effects analysis.


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On March 12, 2018, the United States Court of Appeals for the Second Circuit affirmed a Federal Energy Regulatory Commission (FERC) order finding that delays by the New York Department of Environmental Conservation (NYDEC) in reviewing Millennium Pipeline Company’s application for water quality certification constituted waiver of NYDEC’s authority under the Clean Water Act (CWA). As we detailed in an earlier blog post, FERC found that NYDEC’s delay exceeded the one-year statutory period established by CWA Section 401. The Millennium case is just one of several interstate natural gas pipeline projects that have faced delays associated with the CWA Section 401 permitting process. (See, e.g., Atlantic Bridge Project, Atlantic Sunrise Project, Constitution Pipeline, Northern Access Project, PennEast Pipeline, and Spire STL Pipeline.) The Court’s decision resolves the nearly three-year permitting process for the Millennium Valley Lateral Pipeline and clarifies for other projects (and state agencies reviewing those projects) that the one-year waiver period begins when the state agency receives the initial request for certification.
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This week, the U.S. District Court for the Middle District of Louisiana granted a preliminary injunction, halting construction of the $750 million Bayou Bridge Pipeline. Judge Shelly D. Dick concluded that the U.S. Army Corps of Engineers, in authorizing the project, did not provide sufficient explanation for how the proposed off-site mitigation would compensate for the loss of wetlands impacted by construction. In addition, the Court found the Corps’ environmental analysis failed to sufficiently consider and address historical impacts to wetlands from similarly situated pipelines. Thus, the Court held that these deficiencies likely violated the National Environmental Policy Act (NEPA) and ordered the 162-mile oil pipeline to halt construction within the Atchafalaya Basin, a large wetland habitat for a variety of fish and wildlife species and a critical component of regulating flooding and stream recharge in the region. As we recently saw with the D.C. Circuit’s decision to vacate authorizations for the Sabal Trail Pipeline, this is another example of courts and environmental organizations relying on errors in a federal agency’s NEPA analysis to justify enjoining pipeline construction or operations.
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