# Caustic soda and Water and sanitation

Water and sanitation depends on caustic soda.

Source page: https://www.materialinsights.org/links/caustic-soda-and-water-and-sanitation/

[Caustic soda](https://www.materialinsights.org/chemicals/caustic_soda/) (chemical) and [Water and sanitation](https://www.materialinsights.org/industries/water_sanitation/) (industry): 1 relationship.

## How they are linked

### 1. Industry input

*Physical flow · Criticality 3 of 5 · Caustic soda → Water and sanitation*

1 of the enterprise types in Water and sanitation depend on caustic soda; for the most dependent, it rates 3 out of 5 on criticality.

- **1** enterprise types depend on it
- **3 of 5** highest criticality

Enterprise types that depend on it:

- Water-treatment chemical suppliers: pH control (criticality 3 of 5)

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.