Document Library
Official EPA and state stormwater forms, permits, and templates. Links go to the authoritative source whenever possible.
EPA permits & templates
Download the current federal stormwater permits and official templates.
EPA - 2022 Construction General Permit (CGP)
Download the current federal construction stormwater permit and templates.
EPA - 2021 Multi-Sector General Permit (MSGP)
The federal industrial stormwater permit and commonly used templates.
State program pages
Direct links to state construction stormwater program pages, permits, portals, and common templates.
Arizona (ADEQ)
State permit and templates for Arizona construction stormwater.
California (SWRCB / SMARTS)
California's construction permit and SMARTS portal.
Texas (TCEQ)
TXR150000 permit and core forms/templates for Texas.
Colorado (CDPHE)
Permit landing page and compliance guidance.
Washington (Ecology)
Current permit information and editable templates.
State Permit Finder
Official state stormwater program links and Construction General Permit (CGP) identifiers / renewal notes. Always confirm the latest details via the program link.
State Construction General Permit (CGP) Overview
Find links to official state stormwater programs and the most recent Construction General Permit (CGP) identifiers and renewal notes.
Last checked: August 29, 2025. Always confirm latest dates via program links.
| State | Program Link | CGP Identifier | Last Renewal Date |
|---|---|---|---|
| Arizona | ADEQ CGP Program | AZG2020-001 | June 30, 2025 |
| California | SWRCB Construction General Permit | 2022 CGP (Order 2022-0057-DWQ) | September 1, 2023 |
| Texas | TCEQ CGP Program | TXR150000 | March 5, 2023 |
| Colorado | CDPHE COR400000 | COR400000 | April 1, 2024 |
| Washington | Ecology CSWGP | CSWGP | Permit expires Dec 31, 2025 |
| Florida | Florida CGP Program | Generic Permit (5-year term) | Rolling 5-year term |
| New York | NYSDEC SPDES CGP | GP-0-25-001 | January 29, 2025 |
| Georgia | Georgia EPD Stormwater | CGP-v4.0 | March 15, 2025 |
| Pennsylvania | Penn DEP CGP Program | PAG-02 General Permit | July 1, 2025 |
| Illinois | Illinois EPA Stormwater | ILR10 Permit | August 1, 2024 |
| Ohio | Ohio EPA CGP Program | OHC000005 | April 1, 2025 |
| Massachusetts | MassDEP Construction CGP | CMC GP | August 15, 2025 |
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