Municipal District Services LLC (MDS) 406 West Grand Parkway South, Suite 260, Katy, Texas 77494 Water Leak? Sewer backup? No water coming from the faucet? For problems that require immediate response, please call 24/7: (281) 290-6503, toll free at (855) 290-MDS1, or online. For less urgent issues, email info@mdswater.com. Set Up / Cancel Water Service … Continue reading Water