Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of Water Resistivity/Conductivity (Values are at an average temperature of about 25 °C).
| WATER | RESISTIVITY (Ωcm) | CONDUCTIVITY(Siemens) |
|---|---|---|
| Pure Water | 20,000,000 | 5 × 10−8 |
| Distilled Water | 500,000 | 0.000002 |
| Rain Water | 20,000 | 0.00005 |
| Tap Water | 1000–5000 | 0.001–0.0002 |
| River Water | 200 | 0.005 |
| Sea Water | 30 | 0.033 |
Source: Authors
