Minimum water quality for rainwater catchment systems
Link to this table
Measure | Limit |
---|---|
Turbidity (NTU) | <1 |
E. coli (MPN/100 mL) | 2.2 |
Odor | Non-offensive |
Temperature (degrees Celsius) | MR* |
Color | MR |
pH | MR |
* MR = measure and record only; Treatment: 5 micron or smaller absolute filter; Minimum .5-log inactivation of viruses