RV Spaces & Parking The Somervell County Expo Center offers power and water hook-ups for RV and trailers. Spots can be reserved by calling 254-897-4509 55 Full RV Spaces with 50/30 AMP Hook – ups6 RVs wth 30 amp & water onlyFully Lit/Led LightingEach location includes sewer dump & water hook upsClose to warm-up pens & Main ArenaPaved Parking