However, since waste water treated at the Kisshoin sewage plant is discharged in to the canal, there is plenty of water between Kisshoin and the point where the Nishitakase-gawa River and the Kamo-gawa River meet.
なお、吉祥院から鴨川の合流までは吉祥院下水処理場で浄化処理された下水が流入するため、水量はある。