2023 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems — Maintenance costs

2022 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems–Maintenance costs

2020 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems — Maintenance costs

2019 Washington Code 54.16.310

2018 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems — Maintenance costs

2016 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems–Maintenance costs

2015 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems–Maintenance costs

2014 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems — Maintenance costs

2013 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems — Maintenance costs

2009 Washington Code 54.16.310 – Operation, maintenance, and inspection of sewage disposal facilities, septic tanks, and wastewater disposal facilities and systems — Maintenance costs