---
kind: "unit"
title: "43"
title_heading: "Public Lands"
key: "ch12/schXI–B"
level: "subchapter"
label: "Subchapter XI–B"
heading: "Aging Infrastructure"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/43/ch12-schXI-B"
sections_count: 5
---

# Subchapter XI–B — Aging Infrastructure

Title 43 — Public Lands › Chapter 12 — Reclamation and Irrigation of Lands by Federal Government

## Sections

- [§510. Definitions](/usc/43/510.md)
- [§510a. Guidelines and inspection of project facilities and technical assistance to transferred works operating entities](/usc/43/510a.md)
- [§510b. Extraordinary operation and maintenance work performed by the Secretary](/usc/43/510b.md)
- [§510c. Relationship to Twenty-First Century Water Works Act](/usc/43/510c.md)
- [§510d. Authorization of appropriations](/usc/43/510d.md)