When your septic system needs pumping, maintenance or total replacement, call Alvarado Pumping Septic Service. Since 2007, we've been providing residential and commercial customers in Modesto, CA with competitively priced, high quality septic services. Call us today to speak with a member of our team! When you're in the market for a highly dependable and trustworthy source for septic tank maintenance in Modesto, CA, make sure Alvarado Pumping Septic Service is the first business you call. Since 2007, we've been providing septic installation, maintenance and repair services to residential and commercial customers who can always count on us to do a thorough and expert job.