Complex sentence: Jordan Valley Water has a retail service area primarily in unincorporated areas of Salt Lake County, making up about 10 percent of its deliveries; approximately ninety percent of its municipal water is delivered on a wholesale basis to cities and water districts.
Split into simpler sentences: Jordan Valley Water has a retail service area primarily in unincorporated areas of Salt Lake County, making up about ten percent of its deliveries. Approximately ninety percent of its municipal water is delivered on a wholesale basis to cities and water districts.