**👁️‍🗨️  Source : Emergency WASH Knowledge Portal : **www.washnet.de

👉🏼 **https://www.emergency-wash.org**

https://www.emergency-wash.org

    **# Table of contents.**

8.1.≈S1≈ Rainwater.

8.2.≈S2≈ Rivers and streams.

8.3.≈S3≈ Ponds, lakes and reservoirs.

8.4.≈S4≈ Brackish water, seawater.

8.5.≈S5≈ Groundwater.

8.6.≈S6≈ Springwater.

8.7.≈S7≈ Gravity.

8.8.≈S8≈ Human-powered energy system.

8.9.≈S9≈ Wind-powered energy system.

8.10.≈S10≈ Solar-powered energy system.

8.11.≈S11≈ Electric-powered energy system.

8.12.≈S12≈ Diesel- and Gasoline-powered energy system.

8.13.≈I1≈ Rainwater harvesting : Raised surface collection.

8.14.≈I2≈ Rainwater harvesting : Ground surface collection.

8.15.≈I3≈ River and lake water intake.