Plastic Below Ground Septic Tanks

Protank offers the best polyethylene plastic below ground storage tanks available today. We offer below ground septic tanks ranging from 200 to 1500 gallons. Our plastic septic tank are designed for durability and quick, easy installation. Since our plastic septic tanks are made out of polyethylene, they are unaffected by soil chemicals and by the chemicals and gases present in sewage, so our plastic septic tanks will not rust or corrode. We offer our septic tanks in either single or double compartments. We also offer our septic tanks pre-plumbed, Pre-plumbed according to state code * Accepts 4″ effluent filters PRE-PLUMBED: tanks are shipped to you ready for installation. Our pre-plumbed tanks include tee assemblies installed at the inlet and outlet. Tees are sized/cut according to each state code so the tank that you receive will be ready for installation. We also offer manway extensions for all of our plastic septic tanks. If you need help picking the right septic tank for you, our sales staff will gladly help you.

Our staff offers drawings and specifications of all of our polyethylene plastic tanks.

HDPE Below Ground Septic Tanks

septic tanks
Compartment Dividers are ( 2/3 and 1/3 )

GALLON PART # LENGTH WIDTH HEIGHT MANWAY COMPARTMENTS PRICE
200 PS0200-47 47” 47” 56” 20” 1 $330
300 PS0300-54 54” 54” 54” 20” 1 $399
500 PS0500-64 64” 64” 67” 20” 1 $535
500 PS0500-51 101” 51” 47” 20” 1 $579
750 PS0750-52 96” 52” 62” 20” 1 $895
750 PS0750-52T 100” 52” 59” Two – 20” 2 $975
1000 PS1000-60 102” 60” 63” Two – 20” 1 $947
1000 PS1000-60T 102” 60” 63” Two – 20” 2 $1009
1250 PS1250-55 116” 55” 70” Two – 20” 1 $1154
1250 PS1250-55T 116” 55” 70” Two – 20” 2 $1233
1500 PS1500-55 135” 55” 70” Two – 20” 1 $1410
1500 PS1500-55T 135” 55” 70” Two – 20” 2 $1490

Heavy Duty Below Ground Septic Tanks

It can be used as a septic tank, a holding tank, a pump chamber or as a cistern tank for potable water. * Use native soils for backfill * No water needed during backfilling * Pre-plumbed according to state code * Accepts 4″ effluent filters PRE-PLUMBED: tanks are shipped to you ready for installation. Our pre-plumbed tanks include tee assemblies installed at the inlet and outlet. Tees are sized/cut according to each state code so the tank that you receive will be ready for installation. Our heavy duty septic tanks are furnished with a watertight domed lid. This improved design is significantly stronger than other lid designs. When leaving our factory, the lid is attached to the tank with stainless steel screws and comes standard with a foamed, polyethylene gasket between the lid and the tank. The gasket provides a watertight seal at the lid area. Contact us with any questions you might have regarding our heavy duty septic tanks.

norwesco bruiser septic tank
Compartment Dividers are ( 2/3 and 1/3 )

GALLON PART # LENGTH WIDTH HEIGHT MANWAY COMPARTMENTS PRICE
1000 PS1000-60 102” 60” 63” Two – 20” 1 1135
1000 PS1000-60T 102” 60” 63” Two – 20” 2 1254
1250 PS1250-55 116” 55” 70” Two – 20” 1 1584
1250 PS1250-55T 116” 55” 70” Two – 20” 2 1759
1500 PS1500-55 135” 55” 70” Two – 20” 1 1945
1500 PS1500-55T 135” 55” 70” Two – 20” 2 2098

Above Ground Holding Tanks

Protank offers above ground holding/septic tanks are ideal for bulk waste storage. We offer them 250, 300 and 440 gallons. They are made out of HDPE plastic and are black in color. They are great for storage under trailers. They accept rubber couplers and clamps. We can also customize them with various connections. These tanks are for above ground use only. Contact our sales staff for pricing. 866-776-8265.

above ground holding tanks

GALLON PART # LENGTH WIDTH HEIGHT
250 250AGS 72” 48” 18”
250 250AGS2 68” 48” 19”
300 300AGS 95” 54” 16”
300 300AGS2 95” 56” 16”
440 440AGS 91” 72” 16”

Below Ground Tank Accessories

tank accessories

PART # DESCRIPTION
PBG20x6 6” Ht Manway Extension for 20” Manway
PBG20x15 15” Ht Manway Extension for 20” Manway
PBG20x24 24” Ht Manway Extension for 20” Manway
PBG20xRISER Lid and Riser Combination for 20” Manway ( 12” dia x 25” ht riser pipe )
PBG20MANWAY 20” Manway with Gasket
PBG24x7 7” Ht Manway Extension for 24” Manway
PBG24x16 16” Ht Manway Extension for 24” Manway
PBG24x24 24” Manway Extension for 24” Manway
PBG24MANWAY 24” Manway