---
kind: "unit"
title: "43"
title_heading: "Public Lands"
key: "ch12/schXI–A"
level: "subchapter"
label: "Subchapter XI–A"
heading: "Reclamation Safety of Dams"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/43/ch12-schXI-A"
sections_count: 6
---

# Subchapter XI–A — Reclamation Safety of Dams

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

## Sections

- [§506. Authority of Secretary to make modifications](/usc/43/506.md)
- [§507. Construction for dam safety](/usc/43/507.md)
- [§508. Costs incurred in the modification of structures](/usc/43/508.md)
- [§509. Authorization of appropriations; report to Congress](/usc/43/509.md)
- [§509a. Project beneficiaries](/usc/43/509a.md)
- [§509b. Additional project benefits through the construction of new or supplementary works](/usc/43/509b.md)