RVers need a safe and effective way to transfer black water and gray water from the on-board storage tanks to the campground’s dump station without having to break camp.

we’ve put together a collection of the best Black Water Tanks that are currently available on the market. To help you find the perfect Black Water Tank among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Black Water Tanks

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Black Water Tanks:

# Preview Product Price
1 Class A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000 Class A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000 $149.95 View Product
2 RecPro RV 33 Gallon Black Waste Water Holding Tank for Campers, Trailers and RV's | Made in America RecPro RV 33 Gallon Black Waste Water Holding Tank for Campers, Trailers and RV’s | Made in America $189.95 View Product
3 Class A Customs 48 Gallon RV Waste Black Water Holding Tank 56 x 30 x 9 WT-4800 Class A Customs 48 Gallon RV Waste Black Water Holding Tank 56 x 30 x 9 WT-4800 $179.95 View Product
4 Class A Customs 27 Gallon RV Waste Black Water Holding Tank WT-2700 Class A Customs 27 Gallon RV Waste Black Water Holding Tank WT-2700 $114.99 View Product
5 Icon 437 22-1/2' x 18-1/2' x 6' Bottom Drain Holding Tank Icon 437 22-1/2″ x 18-1/2″ x 6″ Bottom Drain Holding Tank $186.91 View Product
6 RecPro 45 Gallon Black Waste Water RV Holding Tank with Sensors 54' x 32' x 7' | Fitting Kit Included | Made in America RecPro 45 Gallon Black Waste Water RV Holding Tank with Sensors 54″ x 32″ x 7″ | Fitting Kit… $274.95 View Product
7 Class A Customs 31 Gallon RV Waste Black Water Holding Tank WT-3100 Class A Customs 31 Gallon RV Waste Black Water Holding Tank WT-3100 $129.99 View Product
8 Class A Customs 14 Gallon RV Waste Black Water Holding Tank WT-1400 Class A Customs 14 Gallon RV Waste Black Water Holding Tank WT-1400 $104.99 View Product
9 Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 $124.95 View Product
10 RecPro 33 Gallon Black Waste Water RV Holding Tank 22” x 54” x 8” | Fitting Kit Included | Made in America RecPro 33 Gallon Black Waste Water RV Holding Tank 22” x 54” x 8” | Fitting Kit Included |… $199.95 View Product

Top Rated Black Water Tank Reviews

Since we’ve mentioned 10 different models of Black Water Tanks on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Black Water Tanks below:

1

Class A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000
Class A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000

$149.95
View Product
Product Highlights:

  • 40 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
  • INSTALLED OUTLET 3” ABS Female Pipe – outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 3″ ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
  • INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
  • NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
2

RecPro RV 33 Gallon Black Waste Water Holding Tank for Campers, Trailers and RV's | Made in America
RecPro RV 33 Gallon Black Waste Water Holding Tank for Campers, Trailers and RV’s | Made in America

$189.95
View Product
Product Highlights:

  • The uniform thickness of the tanks makes them much more durable than the traditional rotational molded and thermoformed varieties.
  • Blow-molded HDPE tanks are an integral component to all recreational vehicles.
  • Built to standards specified by IAPMO (International Association of Plumbing and Mechanical Officials) and the Canadian Standards Association
  • 22 Width x 54 Length x 8 Height Holding Tank 33 Gallon, Blow-molded with 3 Inch Coupling
  • Made in America
3

Class A Customs 48 Gallon RV Waste Black Water Holding Tank 56 x 30 x 9 WT-4800
Class A Customs 48 Gallon RV Waste Black Water Holding Tank 56 x 30 x 9 WT-4800

$179.95
View Product
Product Highlights:

  • 48 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
  • INSTALLED OUTLET 3” ABS Female Pipe – outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 3″ ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
  • INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
  • NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
4

Class A Customs 27 Gallon RV Waste Black Water Holding Tank WT-2700
Class A Customs 27 Gallon RV Waste Black Water Holding Tank WT-2700

$114.99
View Product
Product Highlights:

  • 27 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
  • INSTALLED OUTLET 3” ABS Female Pipe – outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 3″ ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
  • INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
  • NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
5

Icon 437 22-1/2' x 18-1/2' x 6' Bottom Drain Holding Tank
Icon 437 22-1/2″ x 18-1/2″ x 6″ Bottom Drain Holding Tank

$186.91
View Product
Product Highlights:

  • Built-in reinforcements for mounting a toilet
  • Includes: 3″ Threaded Fitting, a 2″ Slip Fitting and a 3″ID/7″OD Flange Fitting
  • No additional fittings are needed
  • Features a bottom drain and an 8 gallon holding capacity
  • Dimensions: 22.5″ x 18.5″ x 6″
6

RecPro 45 Gallon Black Waste Water RV Holding Tank with Sensors 54' x 32' x 7' | Fitting Kit Included | Made in America
RecPro 45 Gallon Black Waste Water RV Holding Tank with Sensors 54″ x 32″ x 7″ | Fitting Kit Included | Made in America

$274.95
View Product
Product Highlights:

  • Capacity: 45 gallons
  • Durable high-density plastic walls
  • Low-profile
  • Front-facing port
  • Made in America
7

Class A Customs 31 Gallon RV Waste Black Water Holding Tank WT-3100
Class A Customs 31 Gallon RV Waste Black Water Holding Tank WT-3100

$129.99
View Product
Product Highlights:

  • 31 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
  • INSTALLED OUTLET 3” ABS Female Pipe – outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 3″ ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
  • INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
  • NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
8

Class A Customs 14 Gallon RV Waste Black Water Holding Tank WT-1400
Class A Customs 14 Gallon RV Waste Black Water Holding Tank WT-1400

$104.99
View Product
Product Highlights:

  • 14 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
  • INSTALLED OUTLET 3” ABS Female Pipe – outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 3″ ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
  • INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
  • NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
9

Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000
Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000

$124.95
View Product
Product Highlights:

  • 30 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
  • INSTALLED OUTLET 3” ABS Female Pipe – outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 3″ ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
  • INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
  • NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
10

RecPro 33 Gallon Black Waste Water RV Holding Tank 22” x 54” x 8” | Fitting Kit Included | Made in America
RecPro 33 Gallon Black Waste Water RV Holding Tank 22” x 54” x 8” | Fitting Kit Included | Made in America

$199.95
View Product
Product Highlights:

  • Dimensions – 22” W x 54” L x 8” H (tapers to 5″)
  • Blow-molded
  • Capacity – 33 Gallon
  • Capacity sensors
  • Lip – 3″ T x 1.5″ D

Video Overview

Aquascape Tutorial: Neon Tetra Blackwater Aquarium (How To: Full Step By Step Guide)

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Aquascape Tutorial: Neon Blackwater Aquarium (How To: Full Step By Step Guide) Not my traditional style build but this looks so good in the studio.

Final Words

So, these are all of the Best Black Water Tanks available on the market. We hope this collection was helpful to find the right Black Water Tank for the money. However, we recommend checking out the features, benefits, and problems of each of these Black Water Tanks before taking your decision.