Active Permits for William Lyon Homes, Inc. - WQ File Number: 125362
The permits listed below are the currently active permits for this facility. If you wish to see details on the applications that led to these permits click on the application number below.
If you wish to see the details on any pending applications for this facility click here.
| Field | Record |
| Legal Name | William Lyon Homes, Inc. |
| Common Name | Polygon at Roshak Ridge |
| Street Address | SW ROY ROGERS ROAD & SW BULL MOUNTAIN RO |
| City | TIGARD |
| Zip Code | 97224 |
| County | WASHINGTON |
| DEQ Region | NWR |
| Primary SIC Code | 1521 |
| Facility Type Description | SINGLE FAMILY HOUSING CONSTR. |
| Latitude | 45.4162 |
| Longitude | -122.849 |
| Permit Type | GEN12C(AGENT) |
| Permit Description | Stormwater; NPDES construction more than 1 acre disturbed ground, issued by agent |
| Category | STM |
| Class | MINOR |
| Start Date | 7/5/2017 |
| Expiration Date | 12/14/2025 |
| Active Permit | True |
| UIC Facility | False |
| Administrative Agent | Clean Water Services |
| Last Action Date | 12/16/2020 11:59:00 PM |
| Last Action Description | Renewal without eff modified |
| Permit Writer | |
| Compliance Inspector | CLEANWATER SERVICES |
| DMR Reviewer | |
| Permit Application Number | 950464 |
| EPA Number | ORR10E953 |