Since we are a county with a lot of septic systems, this might be of some interest to some of you. More work needs to be done, especially on homes along shorelines.
Keeping shellfish safe to eat will get harder without increasing repair and inspection of septic systems that can contaminate shellfish beds.
https://crosscut.com/environment/2021/12/fixing-septic-systems-key-protecting-puget-sound-shellfish