Somach Simmons & Dunn is a boutique environmental and water law firm with offices in Northern California, Colorado, and DC. The firm represents public and private sector clients across a range of water, air, and land disciplines, including litigation, transactional and public policy matters. The firm is currently representing clients in two separate original jurisdiction interstate water disputes before the U.S. Supreme Court. California-specific expertise: SGMA, CEQA, Prop 65, AB 32, and CARB regulations affecting both mobile and stationary emission sources.