useful links wake county permitshttps://www.wake.gov/departments-government/onsite-water-protection/septic-systems/finding-existing-wastewater-permit johnston county permitshttps://www.johnstonnc.gov/envhealth/content.cfm?pd=permits harnett county permitshttps://www.harnett.org/permits/?btid=2 septic system maintenance guidehttps://content.ces.ncsu.edu/septic-systems-and-their-maintenance north carolina septic tank association (ncsta)https://ncsta.net/ nc onsite wastewater contractors & inspectors certification board (ncowcicb)https://ncowcicb.info/