1. Storage of drinking water.
2. Agricultural irrigation.
3. Septic tanks and sewage tanks.
4. Distillation and process tanks.
5. Fire reserve storage, pool balancing tanks.
6. Hot water storage and chemical storage.
7. Collection of rainwater, well water, seawater.
8. Reverse osmosis (water with high or low conductivity)
9. Industrial processes, chiller water tanks, cooling tower water tanks