Statute treatment: 40 C.F.R. § 122.28

Ranked leading cases interpreting this statute, drawn from 68 citation events across 45 distinct cases.

68citations total

45distinct interpreting cases

29distinct courts

12citations in last 5y

1980–2025year range

Top 20 leading cases

#1 South Florida Water Management District v. Miccosukee Tribe of Indians (2004) scotus 135 own cites 4× in case

#2 Sierra Club v. ICG Hazard, LLC (2015) ca6 28 own cites 4× in case

#3 Catskill Mountains Chapter of Trout Unlimited, Inc. v. United States Environmental Protection Agency (2017) ca2 64 own cites 2× in case

#4 Karr v. Hefner (2007) ca10 55 own cites 2× in case

#5 Kentucky Waterways Alliance v. Johnson (2008) ca6 45 own cites 2× in case

#6 Molokai Chamber of Commerce v. Kukui (Molokai), Inc. (1995) hid 10 own cites 5× in case

#7 cluster 710885 (1996) ca5 163 own cites 1× in case

#8 Dept. of Env. v. Assateague Coastal Trust (2023) md 14 own cites 3× in case

#9 Sierra Club, Lone Star Chapter v. Cedar Point Oil Co. (1996) ca5 105 own cites 1× in case

#10 National Cotton Council of America v. United States Environmental Protection Agency (2009) ca6 40 own cites 1× in case

#11 Ohio Valley Environmental Coalition v. Horinko (2003) wvsd 12 own cites 2× in case

#12 California Sportfishing Protection Alliance v. Chico Scrap Metal, Inc. (2014) caed 33 own cites 1× in case

#13 American Petroleum Institute v. Environmental Protection Agency (1986) ca5 29 own cites 1× in case

#14 In the Matter of REICHMANN LAND AND CATTLE, LLP (2015) minn 22 own cites 1× in case

#15 Coastal Environmental Rights Found. v. Cal. Reg'l Water Quality Control Bd. (2017) calctapp5d 21 own cites 1× in case

#16 Small MS4 Coalition v. Dept. of Environment (2022) md 10 own cites 1× in case

#17 Matter of Natural Resources Defense Council, Inc. v. New York State Department of Environmental Conservation (2015) ny 9 own cites 1× in case

#18 California Sportfishing Protection Alliance v. Chico Scrap Metal, Inc. (2013) ca9 9 own cites 1× in case

#19 Natural Resources Defense Council, Inc. v. U. S. Environmental Protection Agency (1980) cadc 9 own cites 1× in case

#20 Conservation Law Foundation, Inc. v. Pruitt (2018) ca1 8 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.