Omni Water Solutions Inc., a fracking technology developer, reported raising $4.6 million of a planned $6 million financing. The Austin-based company collected the capital from 13 investors, according to a Monday filing with the U.S. Securities and Exchange Commission. Sign up for the free Energy Inc. Texas newsletter here and get the multistate Who's Who in Energy 2014 publication free. Omni Water, which was founded in 2010, develops water treatment technology for hydraulic fracturing operations,…