---
kind: "unit"
title: "43"
title_heading: "Public Lands: Interior"
key: "subtB/chI"
level: "chapter"
label: "Chapter I"
heading: "Bureau of Reclamation, Department of the Interior"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/43/subtB-chI"
sections_count: 288
---

# Chapter I — Bureau of Reclamation, Department of the Interior

Title 43 C.F.R. — Public Lands: Interior › Subtitle B — Regulations Relating to Public Lands

## Contents

- [Part 400-401 — Parts 400-401 [reserved]](/cfr/43/subtB-chI-part400-401.md)
- [Part 402 — Sale of Lands in Federal Reclamation Projects](/cfr/43/subtB-chI-part402.md)
- [Part 404 — Reclamation Rural Water Supply Program](/cfr/43/subtB-chI-part404.md)
- [Part 413 — Assessment by Irrigation Districts of Lands Owned by the United States, Columbia Basin Project, Washington](/cfr/43/subtB-chI-part413.md)
- [Part 414 — Offstream Storage of Colorado River Water and Development and Release of Intentionally Created Unused Apportionment in the Lower Division States](/cfr/43/subtB-chI-part414.md)
- [Part 417 — Procedural Methods for Implementing Colorado River Water Conservation Measures with Lower Basin Contractors and Others](/cfr/43/subtB-chI-part417.md)
- [Part 418 — Operating Criteria and Procedures for the Newlands Reclamation Project, Nevada](/cfr/43/subtB-chI-part418.md)
- [Part 419 — Truckee River Operating Agreement](/cfr/43/subtB-chI-part419.md)
- [Part 420 — Off-Road Vehicle Use](/cfr/43/subtB-chI-part420.md)
- [Part 422 — Law Enforcement Authority at Bureau of Reclamation Projects](/cfr/43/subtB-chI-part422.md)
- [Part 423 — Public Conduct on Bureau of Reclamation Facilities, Lands, and Waterbodies](/cfr/43/subtB-chI-part423.md)
- [Part 424 — Regulations Pertaining to Standards for the Prevention, Control, and Abatement of Environmental Pollution of Conconully Lake and Conconully Reservoir, Okanogan County, Wash.](/cfr/43/subtB-chI-part424.md)
- [Part 426 — Acreage Limitation Rules and Regulations](/cfr/43/subtB-chI-part426.md)
- [Part 427 — Water Conservation Rules and Regulations](/cfr/43/subtB-chI-part427.md)
- [Part 428 — Information Requirements for Certain Farm Operations in Excess of 960 Acres and the Eligibility of Certain Formerly Excess Land](/cfr/43/subtB-chI-part428.md)
- [Part 429 — Use of Bureau of Reclamation Land, Facilities, and Waterbodies](/cfr/43/subtB-chI-part429.md)
- [Part 430 — Rules for Management of Lake Berryessa](/cfr/43/subtB-chI-part430.md)
- [Part 431 — General Regulations for Power Generation, Operation, Maintenance, and Replacement at the Boulder Canyon Project, Arizona/nevada](/cfr/43/subtB-chI-part431.md)
- [Part 432-999 — Parts 432-999 [reserved]](/cfr/43/subtB-chI-part432-999.md)