Hallsville Type of Protection Required ordinance (§ 705.400)
Chapter 705: Water Regulations · Article II. Cross-Connection Control
In short: Where contamination could reach the public water system, the protection must match the hazard: an approved air gap for a severe health hazard; an air gap or reduced-pressure backflow device for a system or health hazard; and an air gap, reduced-pressure device or double-check valve for pollution not dangerous to health.
Our plain-English summary, not the official text or legal advice. The ordinance below is what counts.
A. The type of protection required by this Article shall depend on the degree of hazard which exists, as follows:
1. An approved air-gap separation shall be installed where the public potable water system may be contaminated with substances that could cause a severe health hazard.
2. An approved air-gap separation or an approved reduced-pressure-principle backflow- prevention device shall be installed where the public potable water system may be contaminated with a substance that could cause a system or health hazard.
3. An approved air-gap separation or an approved reduced-pressure-principle backflow- prevention device or an approved double-check valve assembly shall be installed where the public potable water system may be polluted with substances that could cause a pollution hazard not dangerous to health.
Official source: City of Hallsville official Code of Ordinances (online), § 705.400
Last checked November 1, 2026. The city's official copy controls; this page is a reading copy, not legal advice.