Simple systems exceed a clothes washer system and shall comply with the following:
- The discharge capacity of a gray water system shall be determined by Section 1503.8. Simple systems have a discharge capacity of 250 gallons (947 L) per day or less.
- Simple systems shall require a construction permit, unless exempted from a construction permit by the Enforcing Agency. The Enforcing Agency shall consult with the water purveyor for any public water system (as defined in Health and Safety Code Section 1162 7 5) providing drinking water to the dwelling or non-residential structure before allowing an exemption from a construction permit.
- The design of simple systems shall meet generally accepted gray water system design criteria.