We consider risks across the Severn Trent Group on an annual basis through ourenterprise risk management system and have mitigating actions in place against these. 	Page 79 	SASB/GRI content index 	SASB CODEGRI CODEDESCRIPTIONRESPONSE, LINK OR ADDITIONAL INFORMATIONWATERIF-WU-140a.1Water main replacement rateThis year our water main replacement rate was 0.28%IF-WU-140a.2IF-WU-420a.2IF-WU-440.a.3303-1Water as a shared resources, including:Distribution network efficiency,End-use efficiency, andWater supply resilienceRefer to “Ensuring a sustainable water cycle” section of the 2021 SRAdditionally:IF-WU-420a.2Leakage is one of our most important measures and we have seen our lowest ever levels of District 	Page 80 	SASB/GRI content index 	SASB CODEGRI CODEDESCRIPTIONRESPONSE, LINK OR ADDITIONAL INFORMATIONBIODIVERSITY304-1Operational sites owned, leased, managed in, or adjacent to, protected areas and areas of high biodiversity value outside protected areasSevern Trent manages its assets and subsequent impact on a number of protected areas across our region.