CREATE TABLE table_name_31 (location VARCHAR(255), design_flow__lpm_ VARCHAR(255), partner VARCHAR(255), population_served VARCHAR(255))
What Location has a Partner of app, a Population Served larger than 2000, and a Design flow (LPM) of 375?
    
SQL: SELECT location FROM table_name_31 WHERE partner = "app" AND population_served > 2000 AND design_flow__lpm_ = 375