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OSSF MODULE 6 EXAM|QUESTIONS AND 100% CORRECT WELL DETAILED ANSWERS|LATEST UPDATE!!!2025/2026|GUARANTEED PASS|GRADED A+

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OSSF MODULE 6 EXAM|QUESTIONS AND 100% CORRECT WELL DETAILED ANSWERS|LATEST UPDATE!!!2025/2026|GUARANTEED PASS|GRADED A+

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CORRECT WELL DETAILED ANSWERS|LATEST
UPDATE!!!2025/2026|GUARANTEED



The pump must be installed in a separate chamber, a check valve should be in line if the
disposal area is upgrade, a high water alarm must be provided - ANSWER If effluent is
to be pumped



Septic tank - ANSWER The most commonly used primary treatment component in
Texas for on-site systems is the



City sewage treatment plant - ANSWER What produces the highest quality effluent?



Vent the tank to the building plumbing, reduce velocity and disperse blow -
ANSWER The purpose of the inlet baffle or T is to



50 feet and 5 feet respectively - ANSWER The minimum distances a watertight sewage
treatment tank should be from a water-well and a property line are



Of a two or three compartment design - ANSWER Septic tank must be



1,250 gal - ANSWER A septic tank serving a new five-bedroom home with 3,800 sqft
must have a minimum capacity of




1

, Steel reinforced concrete - ANSWER A steel septic tank may be constructed of



300 - ANSWER The expected vol of watewater (Q) is gal/day from an older (pre-1990)
three bedroom mobile home would be



Structurally sound, designed by PE, watertight - ANSWER poured-in-place concrete
septic tanks should be



Tees - ANSWER The standard inlet and outlet devices in a septic tank should be



Vented through the building plumbing - ANSWER properly sealed septic tanks are



Must be at least 30 inches - ANSWER the liquid depth of a septic tank



Must have an access port with a riser - ANSWER a septic tank with 15 inches of cover



May be constructed of cast iron, may be SDR 26 plastic pipe, may be schedule 40 plastic pipe
- ANSWER the line from the building to the treatment tank



Removed in the first compartment - ANSWER most of the setteable solids and scum
that enter a properly designed septic tank will be



Minimum of 1/8 inch per foot fall, a two-way sanitary clean out, minimum diameter of 3 in -
ANSWER the house sewer should have




2

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