The AB 885 policy establishes a statewide, risk-based, tiered approach for the regulation and management of OWTS installations and replacements, and sets the level of performance and protection expected from OWTS. In particular, AB 885 requires actions for the identified areas where OWTS contribute to water quality degradation that adversely affect beneficial uses. AB 885 establishes minimum requirements for permitting, monitoring, and operation of OWTS.