Stormwater Discharge Permit
Stormwater Management Plan Virtual Workshop
View our presentation to learn how ADOT works to protect water quality through the implementation of the Stormwater Management Plan.
Stormwater Management Plan Virtual Workshop 2022 - Video
Stormwater Management Plan Virtual Workshop 2022 - Slides Only
Questions and/or comments on the plan can be submitted to:
- [email protected]
- ADOT Water Resources, Attn: SWMP Comments, 205 S. 17th Ave. Phoenix AZ 85007
Stormwater Management Plan (SWMP)
The SWMP document lays out the program that ADOT has developed to comply with the MS4 Permit requirements.
MS4 Permit
The Arizona Department of Environmental Quality issued the ADOT Municipal Separate Storm Sewer System (MS4 Permit) on June 24, 2021, with an effective date of July 1, 2021. This permit expires on June 30, 2026.
Permit Annual Reports
These reports discuss components of the SSWMP implemented by ADOT, proposed changes to the SSWMP, summary of data collected throughout the reporting year, annual expenditures, enforcement actions, inspections, public education programs, and water quality improvements or degradation.
2021 Annual Report
Stormwater Management Plan Annual Report - 2021
2020 - 2015
- 2020 Annual Report
- 2019 Annual Report
- Appendix A: Dry Weather Screening
- Appendix B: Construction Inventory
- Appendix C: PCBMP Inventory
- Appendix D: Erosion Projects
- Appendix E: Facility Inventory
- Appendix F: Sampling Event Data and Lab Reports
- Addendum: 4th Year Renewal Application information
- Attachment 1: MS4 Route Mapping Prioritization Parameters
- Attachment 2: Receiving Waters
- Attachment 3: Current Mapping
- Attachment 4: Current SWMP
- 2018 Annual Report
- 2017 Annual Report
- 2016 Annual Report
- 2015 Annual Report
