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Historical Groundwater Plant Design Guidelines
Historical groundwater plant design guidelines
Last updated: Jan. 2011
2022 IDM Cover Letter and Executive Summary
Executive summary and cover letter for the 2022 edition of the Infrastructure Design Manual
Last updated: July 1, 2022
Current Groundwater Plant Design Guidelines
Current groundwater plant design guidelines (effective Oct. 1, 2021)
Last updated: July 1, 2021
2023 Review Cycle IDM Redlines
2022-2023 Review Cycle Infrastructure Design Manual Redlines
Updated 11-27-2023
2023 Cover Letter & Executive Summary
2023 Cover Letter and Executive Summary
Updated November 27, 2023