ISO-24511 › Complete Document History
Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services

Complete Current Edition:
   2ND EDITION - Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services - Feb. 1, 2024

Obsolete Revision Information:
   1ST EDITION - Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services - Dec. 1, 2007