Thereafter, the domain was repeatedly assailed by flooding, droughts, and famine, and its finances collapsed in the era of Takanao KUKI, the third lord of the domain, who pursued reforms as the issue of a domain currency, reduction in spending on weapons, and a reduction in the amount of rice distributed to vassals, but this was followed by more flooding and even a peasant's revolt, and the administration was severely weakened.
その後も再三にわたって大洪水や大旱魃、大飢饉などが発生して藩は大被害を受け、第3代藩主・九鬼隆直の時代には藩財政が破綻し、藩札発行や倹約令制定、家臣団の給米減封などを中心とした財政改革が試みられたが、その後も大洪水などによる天災や百姓一揆までもが発生し、藩政はすっかり衰退してしまった。