Versions of 40 CFR Part 149 - Sole Source Aquifers on LawServer 2024 40 CFR Part 149 – Sole Source Aquifers 2023 40 CFR PART 149 – SOLE SOURCE AQUIFERS 2022 40 CFR Part 149 – Sole Source Aquifers 2021 40 CFR Part 149 – Sole Source Aquifers 2020 40 CFR Part 149 – Sole Source Aquifers
