Statute treatment: 33 C.F.R. § 320.1

Ranked leading cases interpreting this statute, drawn from 129 citation events across 80 distinct cases.

129citations total

80distinct interpreting cases

40distinct courts

20citations in last 5y

1983–2025year range

Top 20 leading cases

#1 Ohio Valley Environmental Coalition v. Aracoma Coal Co. (2009) ca4 381 own cites 2× in case

#2 U.S. Army Corps of Eng'rs v. Hawkes Co. (2016) scotus 285 own cites 2× in case

#3 National Ass'n of Home Builders v. Environmental Protection Agency (2015) cadc 42 own cites 4× in case

#4 Hoosier Environmental Council, Inc. v. U.S. Army Corps of Engineers (2000) insd 14 own cites 5× in case

#5 Hawkes Co. v. United States Army Corps of Engineers (2015) ca8 19 own cites 4× in case

#6 Industrial Highway Corp. v. Danielson (1992) njd 9 own cites 6× in case

#7 National Ass'n of Home Builders v. United States Army Corps of Engineers (2005) cadc 128 own cites 1× in case

#8 Eva Fritiofson v. Clifford Alexander, Jr., Secretary of the Army (1985) ca5 79 own cites 1× in case

#9 Belle Co. v. United States Army Corps of Engineers (2014) ca5 20 own cites 2× in case

#10 Orchard Hill Bldg. Co. v. U.S. Army Corps of Eng'rs (2018) ca7 19 own cites 2× in case

#11 Fairbanks North Star Borough v. U.S. Army Corps of Engineers (2008) ca9 65 own cites 1× in case

#12 Route 26 Land Development Ass'n v. United States Government (1990) ded 16 own cites 2× in case

#13 United States v. Cumberland Farms of Connecticut, Inc. (1986) mad 16 own cites 2× in case

#14 National Ass'n of Home Builders v. United States Environmental Protection Agency (2013) dcd 5 own cites 5× in case

#15 Sackett v. EPA (2023) scotus 52 own cites 1× in case

#16 United States v. John Pozsgai, Gizella Pozsgai, Mercer Wrecking & Recycling Corporation, J. Vinch & Sons, Inc. John Pozsgai and Gizella Pozsgai (1993) ca3 50 own cites 1× in case

#17 Joseph M. Keating v. Federal Energy Regulatory Commission, State of California, Ex Rel. California State Water Resources Control Board, Intervenor (1991) cadc 48 own cites 1× in case

#18 United States v. Cumberland Farms of Connecticut, Inc. (1987) ca1 46 own cites 1× in case

#19 Ohio v. United States Army Corps of Engineers (2017) ohnd 5 own cites 4× in case

#20 Audubon Naturalist Society of the Central Atlantic States, Inc. v. United States Department of Transportation (2007) mdd 33 own cites 1× in case

Ranking method: leading_score = ln(1 + own_citation_count) × √(mentions_in_case) × flag_factor, where flag_factor = 1.0 green · 0.6 unknown · 0.5 neutral · 0.4 yellow · 0.3 procedural · 0 red. Red-flagged cases excluded — their interpretation has been undermined and shouldn't lead the list. Top 20 returned per statute. Open any case for full G Cite, trajectory, and per-circuit treatment.