Frank Richards, president of the Webber Pond Association, talks on Aug. 6 about improvements made to water quality at Webber Pond in Vassalboro. Richards said he thinks the return of alewives to the pond has helped improve its water quality.

Frank Richards, president of the Webber Pond Association, stands on his deck on Aug. 6 at Webber Pond in Vassalboro.

Frank Richards, president of the Webber Pond Association, makes his way to his dock Aug. 6 on Webber Pond in Vassalboro.

Frank Richards, president of the Webber Pond Association, stands on his dock on Aug. 6 at Webber Pond in Vassalboro.