Old Faithful is serving the entire Tri-Cites area for all your septic needs. We offer our services to residential and commercial. Licensed and insured for your protection. Old Faithful has been in business for over 30 years in Erwin, we just extended to serving the Tri-Cities recently. If you are needing a company you can count on look no further. We also offer portable toilets for events or construction sites.If your septic tank is in need please call us today and we will come out and do a free estimate for you.