Oakville Pump Service has been delivering premium water systems and service to the Napa Valley and the communities in Napa, Angwin, Pope Valley, Calistoga & St. Helena for more than 30 years! OPS has extensive experience & qualifications with every aspect of residential, municipal, commercial & agricultural water system design & installation. We support our customers and community water needs with 24/7 emergency service. In addition OPS helps our customers manage and conserve water and can help implement automatic water meter reading equipment to help in conservation efforts.