---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchD/part129"
level: "part"
label: "Part 129"
heading: "Toxic Pollutant Effluent Standards"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchD-part129"
sections_count: 15
---

# Part 129 — Toxic Pollutant Effluent Standards

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter D — Water Programs

## Contents

- [Subpart A — Toxic Pollutant Effluent Standards and Prohibitions](/cfr/40/chI-subchD-part129-subpartA.md)