What are the design requirements for hose bibbs and hose stations?
The basic design requirements are as follows:
- Appropriate backflow prevention devices (for example vacuum breakers) must be installed at all hose bibbs.
- Signage must be installed at all hose bibbs. Signs for non-potable water hose bibbs should state "Caution: Non-potable Water, Do Not Drink" and display the international 'do not drink' symbol. Signs for reclaimed water hose bibbs should state "Caution: Reclaimed Water, Do Not Drink" and display the international 'do not drink' symbol.
- Hoses and hose racks must be installed at all hose bibbs. This requirement may be waived for unmanned facilities which do not routinely require clean-up or maintenance using hoses.

For more information, please email treatmentplantprogram@maricopa.gov.

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1. What standards and references are used for the review and approval of engineering designs?
2. What treatment processes have been utilized on previously approved projects?
3. What information is required for a blending plan approval?
4. What are the separation distance requirements for underground piping?
5. What are the design requirements for hose bibbs and hose stations?