; and (B) the small treatment works in the State finds to be the most beneficial and effective. (2) Small treatment works The term small treatment works means a publicly owned treatment works serving not more than 10,000 individuals. (b) Technical assistance The Administrator may use amounts made available to carry out this section to provide grants or cooperative agreements to qualified nonprofit small treatment works technical assistance providers to provide to owners and operators of small treatment works onsite technical assistance, circuit rider technical assistance programs, multi-State, regional technical assistance programs, and onsite and regional training, to assist the small treatment works in achieving compliance with this Act or obtaining financing under this Act for eligible projects. (c) Authorization of appropriations There are authorized to be appropriated to carry out this section for grants for small treatment works technical assistance, $15,000,000 for each of fiscal years 2019 through 2021. 223. Technical assistance for medium treatment works (a) Definitions In this section: (1) Medium treatment works The term medium treatment works means a publicly owned treatment works serving not fewer than 10,001, and not more than 75,000, individuals. (2) Qualified nonprofit medium treatment works technical assistance provider The term qualified nonprofit medium treatment works technical assistance provider means a qualified nonprofit technical assistance provider of water and wastewater services to medium-sized communities that provides technical assistance (including circuit rider technical assistance programs, multi-State, regional assistance programs, and training and preliminary engineering evaluations) to owners and operators of medium treatment works, which may include a State agency. (b) Technical assistance The Administrator may use amounts made available to carry out this section to provide grants or cooperative agreements to qualified nonprofit medium treatment works technical assistance