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Septic Tanks

Protank Plastic Septic Tanks

Protank offers the largest selection of polyethylene septic tanks in the nation. We stock both underground septic tanks and above ground septic tanks used for residential, commercial, and job sites. These tanks are designed specifically for waste and sewage use. Our plastic septic tanks are state approved with single or multiple compartments, including single compartment pump tanks. Customers can request unplumbed or pre-plumbed tanks, ready for installation as soon as they arrive. Sizes range from 200 to 3525 gallons with standard and heavy duty options. Request a free septic tank quote now.

Name Length Width Height Size Compartments Part
200 Gallon Plastic Septic Pump Tank 47" 47" 56" 47 L
47 W
56 H
1 PUN200
250 Gallon Above Ground Septic Holding Tank 72" 48" 18" 72 L
48 W
18 H
No 250AGS
250 Gallon Above Ground Septic Holding Tank 68" 48" 19" 68 L
48 W
19 H
No 42518
300 Gallon Above Ground Septic Holding Tank 95" 53.5" 16" 95 L
53.5 W
16 H
No 300AGS
300 Gallon Above Ground Septic Holding Tank 95" 56" 16" 95 L
56 W
16 H
No AGA300
300 Gallon Plastic Septic Pump Tank 48.5" 48.5" 53" 48.5 L
48.5 W
53 H
1 PUS300
300 Gallon Plastic Septic Pump Tank 48.5" 48.5" 53" 48.5 L
48.5 W
53 H
1 PUS300
300 Gallon Plastic Septic Pump Tank 54" 54" 56" 54 L
54 W
56 H
1 PUA300
300 Gallon Plastic Septic Pump Tank 54" 54" 54" 54 L
54 W
54 H
1 PUN300
440 Gallon Above Ground Septic Holding Tank 91" 72" 16" 91 L
72 W
16 H
No 440GB
500 Gallon Above Ground Septic Holding Tank 130" 52" 22" 130 L
52 W
22 H
No AGN500
500 Gallon Low Profile Plastic Septic Tank 97" 48" 42" 97 L
48 W
42 H
1 LSN500
500 Gallon Plastic Septic Pump Tank 60" 60" 63" 60 L
60 W
63 H
1 PUS500
500 Gallon Plastic Septic Pump Tank 60" 60" 63" 60 L
60 W
63 H
1 PUS500
500 Gallon Plastic Septic Pump Tank 63" 63" 74" 63 L
63 W
74 H
1 PUA500
500 Gallon Plastic Septic Pump Tank 64" 64" 67" 64 L
64 W
67 H
1 PUN500
500 Gallon Ribbed Plastic Septic Tank 88" 48" 43" 88 L
48 W
43 H
1 SES500
500 Gallon Plastic Septic Tank 101" 51" 47" 101 L
51 W
47 H
1 SEN500-1
750 Gallon Plastic Septic Tank 70" 60" 60" 70 L
60 W
60 H
1 SEA750-1
750 Gallon Plastic Septic Tank 96" 52" 62" 96 L
52 W
62 H
1 SEN750-1
750 Gallon Plastic Septic Tank 96" 48" 63" 96 L
48 W
63 H
1 SEN750-2
750 Gallon Low Profile Plastic Septic Tank 92" 60" 51" 92 L
60 W
51 H
No LSN750
1000 Gallon Plastic Septic Tank 101" 60" 60" 101 L
60 W
60 H
1 SEA1000-1
1000 Gallon Plastic Septic Tank 101" 60" 60" 101 L
60 W
60 H
2 SEA1000-2
1000 Gallon Plastic Septic Tank 101" 52" 71" 101 L
52 W
71 H
1 SEN1000-1
1000 Gallon Underground Holding Tank 101" 52" 71" 101 L
52 W
71 H
No PT-BRNO1000
1000 Gallon Underground Holding Tank 102" 60" 63" 102 L
60 W
63 H
No BRN1000-2
1000 Gallon Low Profile Plastic Septic Tank 127" 60" 51" 127 L
60 W
51 H
No LSN1000
1000 Gallon Plastic Septic Tank 102" 60" 63" 102 L
60 W
63 H
No SEN1000-2
1250 Gallon Plastic Septic Tank 118" 58" 72" 118 L
58 W
72 H
1 SEA1250-1
1250 Gallon Plastic Septic Tank 118" 58" 72" 118 L
58 W
72 H
2 SEA1250-2
1250 Gallon Low Profile Plastic Septic Tank 157" 60" 51" 157 L
60 W
51 H
No LSN1250
1250 Gallon Plastic Septic Tank 116" 55" 70" 116 L
55 W
70 H
No SEN1250-2
1250 Gallon Underground Holding Tank 116" 55" 70" 116 L
55 W
70 H
No BRN1250
1500 Gallon Plastic Septic Tank 137" 58" 72" 137 L
58 W
72 H
1 SEA1500-1
1500 Gallon Plastic Septic Tank 137" 58" 72" 137 L
58 W
72 H
2 SEA1500-2
1500 Gallon Low Profile Plastic Septic Tank 157" 69" 51" 157 L
69 W
51 H
No LSN1500
1500 Gallon Plastic Septic Tank 135" 55" 70" 135 L
55 W
70 H
No SEN1500-2
1500 Gallon Ribbed Plastic Septic Tank 140" 64" 62" 140 L
64 W
62 H
No SES1500
1500 Gallon Underground Holding Tank 135" 55" 70" 135 L
55 W
70 H
No BRN1500
1500 Gallon Pre-Plumbed Ribbed Plastic Septic Tank 140" 64" 62" 140 L
64 W
62 H
No SES1500-P
2000 Gallon Plastic Septic Tank 126" 98" 51" 126 L
98 W
51 H
1 SEN2000
2000 Gallon Plastic Septic Tank 126" 98" 51" 126 L
98 W
51 H
1 SEN2000
2500 Gallon Plastic Septic Tank 159" 99" 51" 159 L
99 W
51 H
1 SEN2500
2600 Gallon Plastic Septic Tank 155" 99" 51" 155 L
99 W
51 H
1 SEN2600
2650 Gallon Plastic Septic Tank 155" 99" 81" 155 L
99 W
81 H
1 SEN2650
3525 Gallon Plastic Septic Tank 211" 102" 51" 211 L
102 W
51 H
1 SEN3525
5025 Gallon Plastic Septic Tank 211" 102" 96" 211 L
102 W
96 H
1 SEN5025