Versions of 40 CFR Part 120 - Definition of Waters of the United States on LawServer
2024 40 CFR Part 120 – Definition of Waters of the United States
2023 40 CFR PART 120 – DEFINITION OF WATERS OF THE UNITED STATES
2022 40 CFR Part 120 – Definition of Waters of the United States
2021 40 CFR Part 120 – Definition of Waters of the United States
2020 40 CFR Part 120 – Definition of Waters of the United States