ISO 14001 Wastage of resources

You can start with clause 6.1.2, when you determine environmental aspects and impacts and you realize that, more than consumption, you have wastage of water. Then you can have clause 6.1.4 where you have an action plan to address that significant environmental aspect. That action plan may be translated into rules, good practices for operational control, clause 8.1.

Please check this information below with more detailed answer:

• 4 steps in identification and evaluation of environmental aspects - https://advisera.com/14001academy/knowledgebase/4-steps-in-identification-and-evaluation-of-environmental-aspects/
• What makes an environmental aspect significant in ISO 14001? - https://advisera.com/14001academy/blog/2015/03/09/what-makes-environmental-aspect-significant-in-iso-14001/
• Defining and implementing operational control in ISO 14001:2015 - https://advisera.com/14001academy/blog/2016/04/11/defining-and-implementing-operational-control-in-iso-140012015/140012015/
• Enroll for free in this course – ISO 14001:2015 Foundations Course - https://advisera.com/training/iso-14001-internal-auditor-course/
• Book – The ISO 14001:2015 Companion - https://advisera.com/books/the-iso-14001-2015-companion/