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gromicko 5/20/18 8:32 PM

Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide.
 
I'm building out this message board thread to assist those attempting to pass the exam necessary to be an On-Site Wastewater Treatment System Contractor in Weld County, Colorado.

gromicko 5/20/18 8:34 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Definitions:

Absorption System: Leaching field and adjacent soils for the treatment of sewage in an On-Site Wastewater Treatment System by means of absorption into the ground.

gromicko 5/20/18 8:38 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Basal Area: Effective surface area available to transmit the treated effluent from the filter media in a mound system to the in-situ receiving soils. The perimeter is measured at the interface of the imported fill material and the in-situ soil.

In-situ soil means original soil.

gromicko 5/20/18 8:41 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Bed: Below-grade soil treatment area with a level sub-base at least 3' wide, distribution media, and more than one lateral.

Note: It isn't a bed unless it has two or more laterals.

gromicko 5/20/18 8:57 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Bedroom: A room with an egress window, a closet, and/or is intended for sleeping purposes.

gromicko 5/20/18 8:58 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Building Sewer: Piping that conveys wastewater to the first system component.

gromicko 5/20/18 9:00 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Cesspool: Underground pit into which household wastewater is discharged and from which the liquid seeps into surrounding soil.

Note: A cesspool doesn't include a septic tank.

gromicko 5/20/18 9:01 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Chamber: An open, arch-shaped structure providing an open-bottom soil interface with permeable sidewalls.

gromicko 5/20/18 9:02 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Cistern: Underground tank for storing water.

gromicko 5/20/18 9:08 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Dosing: High rate, periodic discharge into a soil treatment area.

gromicko 5/20/18 9:11 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Drop Box: A device used to distribute effluent by gravity flow into a lateral of a soil treatment area.

gromicko 5/20/18 9:12 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Drywell: Underground pit into which drainage from roofs, basement floors, or other non-wastewater sources is discharged.

gromicko 5/20/18 9:13 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Effective Size: Size of granular media such that only 10% by weight of the media is finer.

gromicko 5/20/18 9:14 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Effluent Pipe: Non-perforated pipe that conveys effluent from one component to another.

gromicko 5/20/18 9:19 PM

Re: Weld County, Colorado On-Site Wastewater Treatment System Regulations Study Guide
 
Flow Daily: Measured volume of wastewater generated from a facility in gallons in a day.

Note: Expressed as Gallons/day.


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