13.060.20 Dzeramais ūdens

Guidelines for the management of assets of water supply and wastewater systems — Part 1: Drinking water distribution networks — Amendment 1: Performance indicators and requirements for monitoring and review with additional related examples

Drinking water, wastewater and stormwater systems and services — Operation and maintenance of on-site domestic wastewater services

Drinking water, wastewater and stormwater systems and services — Guidelines for the planning and implementation of infrastructure hardening for water and wastewater systems