1601.7 Minimum Water Quality Requirements

The minimum water quality for rainwater catchment systems shall comply with the applicable water quality requirements for the intended application as determined by the Authority Having Jurisdiction. Water quality for nonpotable rainwater catchment systems shall comply with Section 1602.9.6. In the absence of water quality requirements for harvested rainwater, Table 1602.9.6 shall apply.

1. Water treatment is not required for rainwater catchment systems used for aboveground irrigation with a maximum storage capacity of 360 gallons (1363 L).
2. Water treatment is not required for rainwater catchment systems used for surface, subsurface or drip irrigation.