Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 25 - SEPTIC TANKS, SOIL ABSORPTION SYSTEMS, AND OTHER SMALL WASTEWATER SYSTEMS
Section 25-11 - Effluent Distribution Devices
Universal Citation: WY Code of Rules 25-11
Current through September 21, 2024
Distribution boxes and flow divider tees are suitable for level or nearly level ground and are installed before the soil absorption system with the goal of splitting flows equally between soil absorption system laterals. Drop boxes are suitable for sloping ground and are installed to achieve serial loading.
(a) Distribution Boxes
(i) The distribution box
shall be installed on a level, stable base to prevent tilting or settling, and
to minimize movement from frost heave.
(ii) Boxes shall be watertight and
constructed of concrete or other durable material.
(iii) Boxes shall be designed to accommodate
the inlet pipe and the necessary distribution lines. The inlet piping to the
distribution box shall be at least one (1) inch above the outlet pipes and all
pipes shall have a watertight connection to the distribution box.
(iv) The box shall be protected against
freezing and made accessible for observation and maintenance.
(v) Boxes shall have flow equalizers
installed on each outflow.
(b) Flow divider tees may be used in place of distribution boxes.
(c) Drop boxes are suitable for sloping ground and are installed to achieve serial loading. The drop boxes shall meet the requirements in paragraphs (a)(i through v) of this section.
Disclaimer: These regulations may not be the most recent version. Wyoming may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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