In 1644, nine years before Tamagawa Josui Water Supply was installed, he laid on the Japan's first full-scale water supplies with water measures and pipes which were installed by Heiroku YANO underground by the order from Yorishige in the castle town of the Takamatsu-jo Castle which has suffered from water shortage up to the present.
玉川上水より9年早い時期の正保元年（1644年）、矢延平六に命じて、現代まで水不足で知られる高松城下に配水枡・配水管を地中埋設した日本で初めてといわれる本格的な上水道を敷設している。