# ISO 9123:2001 — Withdrawn and superseded ISO standards For ISO 9123:2001, item title is Measurement of liquid flow in open channels — Stage-fall-discharge relationships; status code is 9599; successor is ISO 9123:2017; withdrawn / published date is 2001-11-22, recorded from its source on 2026-08-05. - **Identifier:** ISO 9123:2001 _(verified: appears in the quote below)_ - **Item title:** Measurement of liquid flow in open channels — Stage-fall-discharge relationships _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 9123:2017 - **Withdrawn / published date:** 2001-11-22 _(verified: appears in the quote below)_ ## What the source says > 29455,IS,,ISO 9123:2001,Measurement of liquid flow in open channels — Stage-fall-discharge relationships,Mesure de débit des liquides dans les canaux découverts — Relations hauteur-chute-débit,2001-11-22,1,['17.120.20'],ISO/TC 113/SC 1,9599,[16720],[66300],['en'],14, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).