That's no good.
Some options for you -
A pair of HED Belgian+ Rims and rebuild them to your WTB hubs.
For a new wheelset HED ardennes weigh in at about 1600 grams for the pair, have a nice large inside width for your gravel tires (My 33x Terreno Drys run at 37mm wide on the rim) and have solid hubs. They are bombproof ride well and last forever.
Brand new pairs run 600-800$ and you can find take offs on craigslist and ebay for half that.