Black Water Tank for Camper

Custom Fitted | No Leaks!

rv on the roadWhen it comes to a Black Water Tank for your camper, and black water tank replacements and camper waste holding tanks, One Clarion is your ultimate solution. These tanks are very competitively priced, precisely fitted and are built to withstand the test of time. With these top-quality camper waste tanks, you can expect exceptional durability and longevity at a price you'll love.

Say goodbye to worries about contamination or leaks with these meticulously engineered blackwater tanks for campers. Designed as seamless, single-unit constructions, these tanks provide unparalleled strength and high impact resistance, ensuring long-lasting performance.

Trust One Clarion for unparalleled strength, durability, and reliability in camper holding tanks. Our commitment is to provide you with a seamless and sanitary waste management solution for your over the road adventures.


Camper Black Water Tank Specifications

To guarantee a flawless installation, these tanks can be customized to perfectly fit your specific needs. With the flexibility to choose fitting locations, you can achieve a perfect fit for your camper, eliminating any concerns about compatibility.

Experience peace of mind with seamless and customizable camper blackwater tanks, offering exceptional strength and reliable performance for your camping adventures.

See below for a full listing of customizable sizes, including a diagram of each camper black water holding tank.

Camper Black Water Tanks
Bottom Dump Waste Tanks

camper bottom dump holding tank
Part No. Capacity Length Width Depth Drawings
H-220 11 gallons 64 6 8.25 Drawing (pdf)
H-263 11 gallons 74 5.75 8.75 Drawing (pdf)
H-249 14 gallons 31.5 17 8.75 Drawing (pdf)
H-229 15 gallons 37 16 7.5 Drawing (pdf)
H-572 24 gallons 73.75 11.5 9 Drawing (pdf)
H-510 25 gallons 46 15 9.5 Ask for details
H-224 25 gallons 75.75 8 13 Drawing (pdf)
H-223 27 gallons 76 16 13 Drawing (pdf)
H-251 35 gallons 52 24 8.5 Drawing (pdf)
H-286 35 gallons 76 11 12.75 Drawing (pdf)
H-277 38 gallons 28.25 23.25 14 Drawing (pdf)
H-280 40 gallons 27.5 23.5 14 Drawing (pdf)
H-317 40 gallons 79 11 13 Drawing (pdf)
H-312 40 gallons 90 33.5 12 Drawing (pdf)
H-276 43 gallons 84 11 13 Drawing (pdf)
H-418 43 gallons 85 17.5 9.75 Drawing (pdf)
H-432 44 gallons 65 15.25 12 Drawing (pdf)
H-354 44 gallons 78 12.5 13 Drawing (pdf)
H-359 47 gallons 68 27.25 7.5 Drawing (pdf)
H-311 48 gallons 80 20 12 Drawing (pdf)
H-437 51 gallons 85 17.5 11.25 Drawing (pdf)
H-226 52 gallons 84 13.25 13 Drawing (pdf)
H-316 55 gallons 79 15.5 13 Drawing (pdf)
H-281 59 gallons 42 27.25 13 Drawing (pdf)
H-375 60 gallons 79.75 16.25 13.25 Drawing (pdf)
H-275 62 gallons 84 15.5 13 Drawing (pdf)
H-419 63 gallons 85 24.75 9.75 Drawing (pdf)
H-287 65 gallons 76 20 12.75 Drawing (pdf)
H-353 66 gallons 78 18.5 13 Drawing (pdf)
H-304 66 gallons 85 21 11.75 Drawing (pdf)
H-433 70 gallons 65 22.75 12 Drawing (pdf)
H-227 72 gallons 84.25 18 13 Drawing (pdf)
H-436 73 gallons 85 24.75 11.25 Drawing (pdf)
H-362 90 gallons 79.75 24 13.25 Drawing (pdf)
H-422 110 gallons 63 24.75 17.75 Ask for details


Camper Black Water Tanks
End Dump Holding Tanks

camper end dump holding tank
Part No. Capacity Length Width Depth Drawings
H-545 6 gallons 38.375 15 3.5 Ask for details
H-273 8 gallons 15 17 8 Drawing (pdf)
H-135 8 gallons 22.75 12.75 7.5 Drawing (pdf)
H-128 9 gallons 32.5 15 6.5 Drawing (pdf)
H-256 9 gallons 35 11.75 6 Drawing (pdf)
H-491 9 gallons 82 6 6.75 Ask for details
H-565 9 gallons 84.25 8 8.5 Drawing (pdf)
H-380 10 gallons 43.5 15 5.75 Drawing (pdf)
H-384 10 gallons 43.5 15 5.75 Drawing (pdf)
H-325 10 gallons 61.5 8 8.5 Drawing (pdf)
H-493 10 gallons 68 8 7.625 Drawing (pdf)
H-219S 10 gallons 70 5.5 15 Drawing (pdf)
H-219L 12 gallons 88 5.5 15 Drawing (pdf)
H-131 15 gallons 58 14.25 6 Drawing (pdf)
H-379 16 gallons 56 10 8.5 Drawing (pdf)
H-307 16 gallons 65 20 4.5 Drawing (pdf)
H-253 17 gallons 30 20 8 Drawing (pdf)
H-566 18 gallons 30 19.875 8.75 Drawing (pdf)
H-244 19 gallons 54 22 6.5 Drawing (pdf)
H-567 19 gallons 76 16 5 Drawing (pdf)
H-96 20 gallons 26 19.75 11 Drawing (pdf)
H-448 20 gallons 42 29.5 5.25 Drawing (pdf)
H-502 20 gallons 48 16 8 Drawing (pdf)
H-424 20 gallons 61 14.75 6.5 Drawing (pdf)
H-551 21 gallons 32 17 10.75 Drawing (pdf)
H-571 21 gallons 61 11 9 Drawing (pdf)
H-454 21 gallons 95 13.75 7.5 Drawing (pdf)
H-294 22 gallons 40 20 8 Drawing (pdf)
H-272 23 gallons 38 25.5 6.5 Drawing (pdf)
H-298 23 gallons 43 10.5 13 Drawing (pdf)
H-447 23 gallons 68 20 5.25 Drawing (pdf)
H-103 24 gallons 76 11 8.5 Drawing (pdf)
H-521 24 gallons 93.25 13.625 7.1875 Ask for details
H-278 25 gallons 38 26 7.5 Drawing (pdf)
H-295 25 gallons 42 20 8 Drawing (pdf)
H-453S 25 gallons 82 13 7.5 Drawing (pdf)
H-560 26 gallons 73.75 12 9 Drawing (pdf)
H-444 26 gallons 81.5 14.5 6.25 Drawing (pdf)
H-21 27 gallons 44 13.25 12.5 Drawing (pdf)
H-356 27 gallons 82 16 6 Drawing (pdf)
H-453L 27 gallons 94 13 7.5 Drawing (pdf)
H-558 28 gallons 55 13.625 9.875 Drawing (pdf)
H-217 29 gallons 74.25 21.25 6.5 Drawing (pdf)
H-270 30 gallons 50.5 20 8 Drawing (pdf)
H-449 30 gallons 54 43.75 5.75 Drawing (pdf)
H-476 30 gallons 90 16 6 Ask for details
H-237 30 gallons 98 16 6 Drawing (pdf)
H-562 31 gallons 58 22 8 Drawing (pdf)
H-67 32 gallons 36 36 7.25 Drawing (pdf)
H-531 32 gallons 96 14.5 8 Drawing (pdf)
H-370 34 gallons 104 10 9 Drawing (pdf)
H-420 35 gallons 104 17.25 6 Drawing (pdf)
H-305 35 gallons 47 26.5 9 Drawing (pdf)
H-215 36 gallons 48 36 7 Drawing (pdf)
H-388 38 gallons 54.75 21.5 9.25 Drawing (pdf)
H-218 38 gallons 68.25 21.25 8 Drawing (pdf)
H-536 38 gallons 90 16 8.5 Drawing (pdf)
H-498 42 gallons 60 30 7.25 Drawing (pdf)
H-432 44 gallons 65 15.25 12 Drawing (pdf)
H-570 47 gallons 48 27 15 Drawing (pdf)
H-359 47 gallons 68 27.25 7.5 Drawing (pdf)
H-515 48 gallons 44 29 11 Ask for details
H-514 50 gallons 38 35 11 Drawing (pdf)
H-361 50 gallons 42 32 10.5 Drawing (pdf)
H-257 51 gallons 30 26 16 Drawing (pdf)
H-284 55 gallons 42 27.25 13 Drawing (pdf)
H-303 55 gallons 51 27.25 14 Drawing (pdf)
H-85 55 gallons 51.75 28 10 Drawing (pdf)
H-266 56 gallons 60 29.5 13 Drawing (pdf)
H-484 56 gallons 60 30 9 Ask for details
H-421 56 gallons 65 20.25 17.75 Drawing (pdf)
H-365 60 gallons 60.25 21 13 Drawing (pdf)
H-260 60 gallons 65 26 13 Drawing (pdf)
H-143 60 gallons 72 16 14.5 Drawing (pdf)
H-569 76 gallons 48 15 27 Drawing (pdf)
H-265 77 gallons 60 29.5 13 Drawing (pdf)
H-540 78 gallons 50 50 8.625 Drawing (pdf)
H-259 82 gallons 65 29.5 13 Ask for details
H-390 82 gallons 80 15 19.5 Drawing (pdf)
H-144 93 gallons 72.25 24 14.5 Drawing (pdf)
H-310 104 gallons 57 28 20 Drawing (pdf)
H-165 110 gallons 65 21 13 Drawing (pdf)
H-165M 110 gallons 65 21 21.5 Drawing (pdf)
H-166 115 gallons 60.25 24 20 Drawing (pdf)
H-366 120 gallons 65 24 20 Drawing (pdf)
H-331 123 gallons 100 32 11 Drawing (pdf)
H-313 135 gallons 83 37 19 Drawing (pdf)
H-360 170 gallons 58 24 30 Drawing (pdf)
H-543 250 gallons 72 48 19 Drawing (pdf)

Camper Black Water Tanks
End Dump Holding Tanks with Rails

camper end dump holding tank with rails
Part No. Capacity Length Width Depth Drawings
H-130 12 gallons 18 17.75 14.25 Drawing (pdf)
H-79 15 gallons 60 11.75 7.75 Drawing (pdf)
H-59 17 gallons 71.25 14.75 6.5 Drawing (pdf)
H-28 20 gallons 34 15 12 Drawing (pdf)
H-42 21 gallons 36 21 7.5 Drawing (pdf)
H-201 22 gallons 50.5 17.25 8.75 Drawing (pdf)
H-34 23 gallons 33.75 20 9.5 Drawing (pdf)
H-47 24 gallons 54.75 21 7.5 Drawing (pdf)
H-65 23 gallons 30 21 11 Drawing (pdf)
H-330 25 gallons 31 27 9.5 Drawing (pdf)
H-55 25 gallons 51 23.75 9 Drawing (pdf)
H-355 25 gallons 54 32 5.75 Drawing (pdf)
H-72 21 gallons 59.25 16 8.5 Drawing (pdf)
H-205 27 gallons 26.75 20 8.5 Drawing (pdf)
H-213 27 gallons 55 23.75 7.75 Drawing (pdf)
H-3 27 gallons 55 24 7 Drawing (pdf)
H-204 27 gallons 57 20 9 Drawing (pdf)
H-57 25 gallons 64 18 7.5 Drawing (pdf)
H-368 29 gallons 48 38 5.5 Drawing (pdf)
H-64 30 gallons 30 25 11 Drawing (pdf)
H-24 30 gallons 35.75 24 10 Drawing (pdf)
H-339 30 gallons 55 22 10 Drawing (pdf)
H-584 31 gallons 54 22 8 Drawing (pdf)
H-463 31 gallons 60 23 7.75 Ask for details
H-393 32 gallons 43 23 10.25 Drawing (pdf)
H-206 32 gallons 55 20.25 9.5 Drawing (pdf)
H-52 32 gallons 67.5 20 7.75 Drawing (pdf)
H-464 34 gallons 60 23 7.75 Ask for details
H-305 35 gallons 47 26.5 9 Drawing (pdf)
H-512 34 gallons 55 24 10.5 Drawing (pdf)
H-45 35 gallons 49.25 27 8.5 Drawing (pdf)
H-51 35 gallons 67.5 26 7.75 Drawing (pdf)
H-252 36 gallons 45 22 10.5 Drawing (pdf)
H-6 37 gallons 48.5 25 9 Drawing (pdf)
H-334 39 gallons 54.75 27 8.75 Drawing (pdf)
H-14 39 gallons 55 26.5 9 Drawing (pdf)
H-7 40 gallons 54.5 26.5 9 Drawing (pdf)
H-308 40 gallons 54.75 27 9 Drawing (pdf)
H-333 40 gallons 55 32 10 Drawing (pdf)
H-501 40 gallons 56 28.5 8.25 Drawing (pdf)
H-290 40 gallons 56.5 24.5 8.75 Ask for details
H-364 40 gallons 57 25 9.5 Drawing (pdf)
H-383 40 gallons 57 42 7 Drawing (pdf)
H-513 40 gallons 60 27 10 Ask for details
H-507 40 gallons 84 27 6.5 Drawing (pdf)
H-225 44 gallons 61 31.25 8.5 Drawing (pdf)
H-407 45 gallons 58 25 8.75 Drawing (pdf)
H-371 50 gallons 53 27 10 Drawing (pdf)
H-516 50 gallons 69 29 8.25 Ask for details
H-363 55 gallons 60 35 9.25 Drawing (pdf)
H-17 55 gallons 70 27 8.75 Ask for details

Camper Black Water Tanks
L-Shaped End Dump Holding Tanks

camper L-shaped end dump holding tank
Part No. Capacity Length Width Depth Drawing
H-235 9 gallons 28 17.5 6 Drawing (pdf)
H-232 10 gallons 30 16 6.25 Drawing (pdf)
H-435 13 gallons 30 20 8 Drawing (pdf)
H-236 15 gallons 72.5 15 6 Drawing (pdf)
H-234 18 gallons 28 27 6.5 Drawing (pdf)
H-238 19 gallons 71.5 18 5 Drawing (pdf)
H-522 19 gallons 97.4375 16.375 7.625 Drawing (pdf)
H-520 20 gallons 103.4375 16.375 7.625 Drawing (pdf)
H-568 20 gallons 44 41.5 6 Drawing (pdf)
H-236D 20 gallons 72.5 15 7.5 Ask for details
H-398 22 gallons 38.25 44 7.75 Drawing (pdf)
H-537 23 gallons 47.75 23.25 10.5 Drawing (pdf)
H-40 24 gallons 36 20 12.75 Drawing (pdf)
H-367 25 gallons 42 44 7.75 Drawing (pdf)
H-509 25 gallons 42.5625 25.0625 7.25 Ask for details
H-238D 25 gallons 71.5 18 6.5 Ask for details
H-460 26 gallons 37 30.5 7.5 Ask for details
H-549 26 gallons 54.5 19 13.375 Ask for details
H-538 31 gallons 103 34 8.5 Drawing (pdf)
H-348S 32 gallons 57 44 8 Drawing (pdf)
H-369 34 gallons 80 33 9.5 Drawing (pdf)
H-539 37 gallons 104 28.5 10.5 Drawing (pdf)
H-534 39 gallons 104 18.5 6.25 Drawing (pdf)
H-417 40 gallons 57 58 8 Drawing (pdf)
H-535 41 gallons 104 18.5 6.25 Drawing (pdf)
H-345 41 gallons 80 36 6.75 Drawing (pdf)
H-533 43 gallons 53 36.25 10.5 Drawing (pdf)
H-84 50 gallons 60 27 11.5 Ask for details
H-314 71 gallons 77 34.75 9.75 Drawing (pdf)
H-458 74 gallons 57.5 19.25 20 Drawing (pdf)
H-459 103 gallons 57.5 26.5 20 Ask for details

Camper Black Water Tanks
L-Shaped Side Dump Holding Tanks

camper L-shaped side dump holding tank
Part No. Capacity Length Width Depth Drawing
H-302 13 gallons 65.75 22.75 6 Drawing (pdf)
H-301 16 gallons 73.5 34.25 6 Drawing (pdf)
H-429 20 gallons 80 40.5 6 Drawing (pdf)
H-285 24 gallons 50 22 8.75 Drawing (pdf)
H-475 26 gallons 44 38.25 8 Ask for details
H-233 35 gallons 74 33.5 6 Drawing (pdf)
H-109 40 gallons 76 27 10 Drawing (pdf)
H-425 45 gallons 93 30 8.5 Drawing (pdf)



Camper Black Water Tanks
Recessed End Dump Holding Tanks

camper recessed end dump holding tank
Part No. Capacity Length Width Depth Drawing
H-326 9 gallons 31.5 15.5 8 Drawing (pdf)
H-27 10 gallons 31.25 6.5 8.5 Drawing (pdf)
H-327 10 gallons 46 16.5 8.5 Drawing (pdf)
H-306 11 gallons 18.5 14.25 15.5 Drawing (pdf)
H-322 12 gallons 53 11 8 Drawing (pdf)
H-573 13 gallons 19.75 17.75 13.5 Drawing (pdf)
H-552 14 gallons 25 19.5 9.125 Ask for details
H-382 14 gallons 67 11 8 Drawing (pdf)
H-271 16 gallons 72.5 11 8.5 Drawing (pdf)
H-274 16 gallons 79.5 11 8 Drawing (pdf)
H-381 18 gallons 67 11 8 Drawing (pdf)
H-328 18 gallons 68 14 8 Drawing (pdf)
H-248 18 gallons 70.75 12 7.5 Drawing (pdf)
H-323 19 gallons 68 12.25 8.5 Drawing (pdf)
H-337 20 gallons 68 15 8.5 Drawing (pdf)
H-261 20 gallons 71 15 8.5 Drawing (pdf)
H-321 20 gallons 96 11 7.5 Drawing (pdf)
H-553 21 gallons 24 19.5 12.75 Drawing (pdf)
H-556 21 gallons 24.0625 20.4375 14.25 Drawing (pdf)
H-338 24 gallons 68 15 8 Drawing (pdf)
H-555 27 gallons 28 20 15 Drawing (pdf)
H-20 27 gallons 53 13 12 Drawing (pdf)
H-247 27 gallons 73.75 15 7.75 Drawing (pdf)
H-97 30 gallons 38.75 21.5 11.5 Drawing (pdf)
H-91 30 gallons 54.5 32 7 Drawing (pdf)
H-37 35 gallons 70 15 10 Drawing (pdf)
H-315 40 gallons 57 28 9 Drawing (pdf)
H-351 44 gallons 59 17 13 Drawing (pdf)
H-486 47 gallons 78 16.9375 11.375 Ask for details
H-490 47 gallons 81 17 11.625 Ask for details
H-471 48 gallons 54.25 20 13 Ask for details
H-481 59 gallons 78 20 11.375 Ask for details
H-385 60 gallons 76.5 14.75 16 Ask for details
H-391 61 gallons 80 13.75 20.5 Ask for details
H-482 63 gallons 78 23 11.375 Ask for details
H-487 68 gallons 78 23.5 11.375 Ask for details
H-489 68 gallons 81 23.5 11.625 Ask for details
H-169 72 gallons 90 20 11 Drawing (pdf)
H-477 74 gallons 57.5 48.5 9.25 Ask for details
H-357 75 gallons 76.5 13.5 21 Drawing (pdf)
H-243 78 gallons 85 13.25 18.5 Ask for details
H-557 80 gallons 37 22.5 25.625 Drawing (pdf)
H-470 80 gallons 56.75 48.75 7.75 Ask for details
H-495 80 gallons 58 24.5 17 Ask for details
H-473 100 gallons 63.75 23.5 19 Ask for details

Camper Black Water Tanks
Recessed End Dump Holding Tanks w/Rails

camper end dump holding tank with rails
Part No. Capacity Length Width Depth Drawing
H-586 12 gallons 35.5 18 6 Ask for details
H-587 19 gallons 52 19 6 Drawing (pdf)
H-577 23 gallons 48 17.5 10 Drawing (pdf)
H-508 35 gallons 56 24 8.125 Ask for details

Camper Black Water Tanks
Recessed Side Dump Holding Tanks

camper side dump holding tank
Part No. Capacity Length Width Depth Drawing
H-575 12 gallons 19.75 17.75 10 Drawing (pdf)

Custom RV Holding Tanks
Recessed Side Dump Holding Tanks With Rails

Marine side dump holding tank with rails

Ask for details


Camper Black Water Tanks
Side Dump Holding Tanks

camper side dump holding tank
Part No. Capacity Length Width Depth Drawing
H-542 9.5 gallons 26.875 20.25 6.875 Ask for details
H-574 10 gallons 46.75 28 2.75 Drawing (pdf)
H-324 11 gallons 34.5 16.5 6.5 Drawing (pdf)
H-576 11 gallons 46.75 28 3.5 Drawing (pdf)
H-559 14 gallons 46 16 6 Drawing (pdf)
H-564 18 gallons 36.25 24.125 6 Drawing (pdf)
H-428 21 gallons 53 24 6 Drawing (pdf)
H-550 24 gallons 32 23 9.125 Drawing (pdf)
H-423 25 gallons 39 31 6.5 Drawing (pdf)
H-561 29 gallons 30.375 28.3125 9.75 Drawing (pdf)
H-532 30 gallons 110 14.5 6 Drawing (pdf)
H-450S 32 gallons 38.75 46 6.5 Drawing (pdf)
H-416 35 gallons 104 17.25 6 Drawing (pdf)
H-450L 35 gallons 42 46 6.5 Drawing (pdf)
H-578 38 gallons 72.5 22 6.5 Drawing (pdf)
H-452 41 gallons 83 16 10.25 Drawing (pdf)
H-414 41 gallons 85.5 16 10.75 Drawing (pdf)
H-126 42 gallons 42 27.25 10.5 Drawing (pdf)
H-239 42 gallons 42.5 27.25 10.5 Drawing (pdf)
H-443 44 gallons 85.5 22 10.25 Drawing (pdf)
H-541 45 gallons 55 50 6 Ask for details
H-439 53 gallons 84 20.5 9.75 Drawing (pdf)
H-283 57 gallons 42 27.25 13 Drawing (pdf)
H-349 57 gallons 70 24 10 Drawing (pdf)
H-441 59 gallons 85.5 22 10.25 Drawing (pdf)
H-442 59 gallons 85.5 22 10.25 Drawing (pdf)
H-282 60 gallons 60 27 11.5 Drawing (pdf)
H-415 60 gallons 85.5 24.5 10.75 Drawing (pdf)
H-451 64 gallons 83 24.5 10.25 Drawing (pdf)
H-155 65 gallons 85 22.75 12.5 Drawing (pdf)
H-426 65 gallons 87.5 22 11.25 Drawing (pdf)
H-427 65 gallons 87.5 22 11.25 Drawing (pdf)
H-440 70 gallons 84 25 9.75 Drawing (pdf)
H-386 77 gallons 87.5 22 13 Drawing (pdf)
H-387 77 gallons 87.5 22 13 Drawing (pdf)
H-554 250 gallons 72 48 19 Drawing (pdf)

Camper Black Water Tanks
Side Dump Holding Tanks with Rails

camper side dump holding tank with rails
Part No. Capacity Length Width Depth Drawing
H-82 18 gallons 35.5 23.75 7.25 Drawing (pdf)
H-299 18 gallons 45.25 27.5 5.5 Drawing (pdf)
H-530 19 gallons 42 28 5.75 Drawing (pdf)
H-523 20 gallons 53 16.5 4.8125 Drawing (pdf)
H-342 20 gallons 55 20 7 Drawing (pdf)
H-343 20 gallons 55 20 7 Drawing (pdf)
H-344 20 gallons 55 47 6 Ask for details
H-563 21 gallons 48.5 22.5 6 Drawing (pdf)
H-300 24 gallons 52 17 8 Drawing (pdf)
H-246 25 gallons 56 40 8 Drawing (pdf)
H-100 25 gallons 58 32 6 Drawing (pdf)
H-83 25 gallons 58 32 6 Drawing (pdf)
H-25 25 gallons 59 27 5.5 Drawing (pdf)
H-228 29 gallons 64.75 17 7.75 Ask for details
H-75 30 gallons 43 20.5 12 Drawing (pdf)
H-335 30 gallons 52 29 8 Drawing (pdf)
H-332 30 gallons 55 35 7 Drawing (pdf)
H-347 30 gallons 53.75 28 6.5 Ask for details
H-210 30 gallons 56 36 6 Drawing (pdf)
H-210M 30 gallons 56 36 6.5 Drawing (pdf)
H-211 30 gallons 56 36 6 Drawing (pdf)
H-547 31 gallons 60 30 6 Drawing (pdf)
H-202 32 gallons 54 28 7.75 Drawing (pdf)
H-212 34 gallons 54 28 7.25 Drawing (pdf)
H-392 34 gallons 54.25 28 7.25 Drawing (pdf)
H-211M 34 gallons 56 36 6.5 Ask for details
H-318 35 gallons 55.5 30 7.5 Drawing (pdf)
H-208 35 gallons 56 28 8 Drawing (pdf)
H-527 35 gallons 59 28 8.125 Drawing (pdf)
H-582 37 gallons 61.875 24 8 Drawing (pdf)
H-583 37 gallons 61.875 24 8 Drawing (pdf)
H-358 38 gallons 56 30 7.5 Drawing (pdf)
H-469 38 gallons 60 24 8 Ask for details
H-221 39 gallons 55.75 30 8 Drawing (pdf)
H-5 40 gallons 52.5 24.25 9.25 Drawing (pdf)
H-505 40 gallons 53 34 7.75 Drawing (pdf)
H-506 40 gallons 53 34 7.75 Drawing (pdf)
H-352 40 gallons 55 32 10 Drawing (pdf)
H-340 40 gallons 55 35 7 Drawing (pdf)
H-341 40 gallons 55 47 6 Drawing (pdf)
H-288 40 gallons 56 30 7.75 Drawing (pdf)
H-474 40 gallons 56 40 8 Ask for details
H-309 40 gallons 57.75 42 6.75 Drawing (pdf)
H-289 40 gallons 58 38 7.75 Drawing (pdf)
H-319 40 gallons 59 28 8 Drawing (pdf)
H-320 40 gallons 59 28 8 Drawing (pdf)
H-500 40 gallons 65 24 8.25 Drawing (pdf)
H-245 41 gallons 56 40 8 Drawing (pdf)
H-209 41 gallons 56 32 7 Drawing (pdf)
H-203 42 gallons 54.25 28 9 Drawing (pdf)
H-445 42 gallons 54.5 26.5 9 Drawing (pdf)
H-240 44 gallons 57 42 7 Drawing (pdf)
H-207 45 gallons 56 40 7.75 Drawing (pdf)
H-378 45 gallons 56 45 5.25 Drawing (pdf)
H-336 36 gallons 57.25 32 9 Drawing (pdf)
H-409 45 gallons 58.5 45 5.25 Drawing (pdf)
H-267 45 gallons 60.5 33 9 Drawing (pdf)
H-455 46 gallons 58 25 10 Drawing (pdf)
H-412 46 gallons 64 31 8 Drawing (pdf)
H-585 47 gallons 61 26 9.5 Drawing (pdf)
H-430 47 gallons 61 36 7 Drawing (pdf)
H-526 48 gallons 48 36 6.75 Drawing (pdf)
H-446 50 gallons 54 35 9 Drawing (pdf)
H-413 50 gallons 56 30 10 Drawing (pdf)
H-499 50 gallons 56 35 9 Drawing (pdf)
H-431 50 gallons 61 40 6.75 Drawing (pdf)
H-579 50 gallons 65 29 8.25 Drawing (pdf)
H-497 55 gallons 54 34 9 Drawing (pdf)
H-434 55 gallons 56 35 9 Drawing (pdf)
H-438 55 gallons 56 36 9 Drawing (pdf)
H-268 60 gallons 60.5 33 9 Drawing (pdf)
H-581 65 gallons 60 32 10.5625 Drawing (pdf)
H-580 67 gallons 62 33.5 10.125 Drawing (pdf)
H-524 76 gallons 64 46 8.25 Drawing (pdf)
H-544 80 gallons 37 22.5 18.75 Drawing (pdf)


Premium RV Holding Tanks

Explore our superior selection of blackwater tanks for campers, including custom water tanks, freshwater tanks, grey water storage tanks, and more. All are meticulously designed to meet your exact specifications. Crafted with care using premium polyethylene plastic resin that is FDA-approved, our tanks ensure the safety and purity of your drinking water. Whether you need a tank for your RV, boat, or any marine vessel, our tanks offer unparalleled quality and versatility.

Seamless Integration and Unrivaled Strength

One of the standout features of our custom water tanks is their exceptional strength and durability. With a seamless one-piece roto-molded design, our tanks are built to last, providing unmatched sturdiness and eliminating the risk of cracks and leaks. Equipped with female NPT openings, our tanks seamlessly integrate into your RV plumbing system, allowing for hassle-free installation. We prioritize efficiency and waste reduction by incorporating spin weld fittings, ensuring a precise and leak-free fit for your tank.

Experience the difference with these superior black water tanks for campers. From customized solutions to seamless integration, we are dedicated to providing you with the highest quality products that meet your specific needs. Seamless RV Holding Tanks - Unmatched Quality and Convenience.

Why Seamless Tanks?

When it comes to storing liquids like water, seamless tanks offer numerous benefits over tanks with seams. Their superior durability, leak resistance, hygiene, easy maintenance, and longevity make them the ideal choice for a wide range of applications, including RVs, boats, and other vessels.

  1. Enhanced Durability:Crafted through a roto-molding process, seamless tanks eliminate the need for seams or joints. This design feature ensures the absence of weak points where leaks or cracks could develop over time. As a result, seamless tanks are highly durable and less prone to structural failures.

  2. Leak Prevention: The absence of seams significantly reduces the risk of leaks. Traditional tanks with seams are susceptible to seam deterioration or compromise, which can lead to leaks and water damage. Seamless tanks eliminate this concern, providing added peace of mind.

  3. Improved Hygiene: Seams in tanks can create crevices or hard-to-reach areas where bacteria, mold, or other contaminants can accumulate. Seamless tanks eliminate these potential breeding grounds for pathogens, making them easier to clean and maintain proper hygiene standards.

  4. Easy Cleaning and Maintenance: Seamless tanks offer a smooth and uniform interior surface, free from crevices or corners where debris can accumulate. This makes cleaning and maintenance effortless, allowing for thorough cleaning and disinfection to keep the stored water clean and safe.

  5. 5. Longevity: The absence of seams contributes to the overall longevity of seamless tanks. Without weak points susceptible to deterioration or failure, seamless tanks have a longer service life. They can withstand environmental stresses and regular usage without the risk of structural degradation.

Simple Ordering Process

We recognize the uniqueness of every camper, which is why we offer the flexibility to design and fabricate a custom black water tank for your camper that perfectly aligns with your specific requirements. Say goodbye to pre-drilled holes that restrict your choices. With us, you have the freedom to determine the placement of holes and fittings on your tank, ensuring an ideal fit for your space and preferences.

Getting started is as easy as 1-2-3 with our step-by-step guide:

  1. Complete a tank drawing that accurately represents the dimensions and desired features of your tank. Specify the desired port locations on the drawing. You can submit your drawing via our convenient contact form (link) or email (link), and we will promptly respond to your inquiry.

  2. Our dedicated team will thoroughly review your drawing and reach out to you for further discussion. We value your input and will offer valuable feedback and suggestions to optimize your design for maximum functionality.

  3. We will collaborate closely with you until you are fully satisfied with the final design. Once your design is approved, we will promptly process your order, ensuring a seamless experience from start to finish.

For precise fulfillment of your requirements, it is highly recommended to provide detailed information regarding the sizes and locations of your tank components. If you have any uncertainties or require adjustments, our team is readily available to assist you throughout the process.

Please note that mounting straps are not included with this tank, and it is not suitable for storing gasoline fuel.

Accessories

At One Clarion, we understand the importance of customizing your camper experience to match your unique needs. That's why we offer a range of accessories to enhance your camper's storage solutions:

    battery box drawing
  • Spin-Weld Fittings for Holding and Fresh Water Tanks: Utilizing advanced spin welding technology, our fittings ensure the formation of robust and long-lasting permanent joints. Meticulously crafted to match your individual tanks, they provide a secure and precise connection that will endure for years to come.







  • compartment drawing
  • Versatile Compartments: Optimize your camper's storage capacity with our diverse selection of compartments. Whether you prefer rounded corner open-ended, square corner open-ended, or square corner top and end compartments, we have a range of sizes to suit your needs. These compartments are designed for convenient storage, enabling efficient organization of your belongings.






  • battery box drawing
  • Battery Boxes for Protection: Ensure the safety of your marine battery with our assortment of battery boxes. Designed to safeguard against tipping, accidental short-circuits, and corrosion, our robust boxes provide a secure enclosure and reliable defense. Explore our range of available sizes to find the perfect match for your marine battery.





Sustainable Custom Plastic Water Storage Solutions

At One Clarion, we prioritize sustainability. These custom plastic RV tanks offer an environmentally friendly solution for water storage. Manufactured with non-toxic materials, our tanks contribute to low carbon emissions throughout their life cycle. Built to withstand corrosion, leak-proof, and resistant to UV damage, our tanks outlast others in longevity and durability. By choosing our flexible and cost-effective custom RV water tanks, you actively reduce your carbon footprint while enjoying reliable water storage.

Experience the Difference with One Clarion

No matter the size or shape you require, we have strong and dependable black water tanks for campers that will get the job done. Our tanks are built to last and are priced to sell. See for yourself and call us today!


Other Products

yacht on the sea

Marine Water Tanks

man taking a photo of his family next to an rv

RV Fresh Water Tank

yatch on dock

Marine Holding Tanks