Welcome Maggard Plumbing Supplies is your one-stop plumbing supply shop located in Nowata, Oklahoma. Visit or call us with any plumbing questions you might have and we will be happy to assist you. ; Have Questions? Call or visit us for friendly professional advice Take a look at our inventory ; Stools and Urinal Tools Water Fittings/Systems Fittings and Tubings Water Heaters Faucets Stools Food Waste Disposals