40 CFR — Protection of Environment
Appendix E to Part 122—Rainfall Zones of the United States
United States · 40 CFR — Protection of Environment · Status: effective
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- Citation
- 40 CFR — Protection of Environment, Appendix E to Part 122—Rainfall Zones of the United States, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/181515
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Full text
Not Shown: Alaska (Zone 7); Hawaii (Zone 7); Northern Mariana Islands (Zone 7); Guam (Zone 7); American Samoa (Zone 7); Trust Territory of the Pacific Islands (Zone 7); Puerto Rico (Zone 3) Virgin Islands (Zone 3).
Source: Methodology for Analysis of Detention Basins for Control of Urban Runoff Quality, prepared for U.S. Environmental Protection Agency, Office of Water, Nonpoint Source Division, Washington, DC, 1986.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.