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Lift Station Guideline Title Index
Design guideline drawings for submersible lift stations Civil, Mechanical, and Structural drawing set
2022 IDM Redlines
2022 Division 01 General Requirements Specifications
The 2022 edition of Division 01 - General Requirements Specifications
Last updated: July 28, 2022
Historical Groundwater Plant Design Guidelines
Historical groundwater plant design guidelines
Last updated: Jan. 2011
08R12 Residential Block Foundations (Revision 1)
Signs Electronic Invoicing Notice
Paperless billing announcement & e-invoicing opt-in form.
Harris County Records Memo
Memo for restrict flood bond projects to municipalities.
2147 Prerequisites Plan Procedures
Prerequisites Plan Procedures.
IDM Chapter 9 storm detention cover letter
Cover letter explaining the supplemental changes made to Chapter 9 of the Infrastructure Design Manual.
Last updated: January 26, 2021