- Post Office - Omak WAThe historic post office in Omak, Washington was constructed with federal Treasury Department funds. The building, which was constructed ca. 1935, is still in use today.
- Water System - Omak WAA waterworks construction project was undertaken in Omak, Washington with the assistance of federal Public Works Administration (PWA) funds. Construction occurred during 1935. PWA Docket No. WA 4258