HB 423 (Cross) requires septic tank owners to have the system inspected every five years and directs the Department of Environmental Protection to implement the inspection program. It requires basin management action plans to include estimated pollutant load reductions that meet or exceed the amount of load reductions needed to meet the total maximum daily load requirements under the plan. The bill requires the allocation of pollutant load reductions in a basin management action plan to consider projected increases in pollutant loading due to growth in population or agricultural activity and requires the plan to provide strategies for mitigating or eliminating pollutant load increases for the life of the plan. It requires the Department of Environmental Protection to conduct assessments of projects included in a plan to determine whether the project is working as intended. (O’Hara)