---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchO/part501"
level: "part"
label: "Part 501"
heading: "State Sludge Management Program Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchO-part501"
sections_count: 22
---

# Part 501 — State Sludge Management Program Regulations

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter O — Sewage Sludge

## Contents

- [Subpart A — Purpose, Scope and General Program Requirements](/cfr/40/chI-subchO-part501-subpartA.md)
- [Subpart B — Development and Submission of State Programs](/cfr/40/chI-subchO-part501-subpartB.md)
- [Subpart C — Program Approval, Revision and Withdrawal](/cfr/40/chI-subchO-part501-subpartC.md)