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Sizing your catchment tank.

Tank sizing in Hawaii is a function of where you live, not just how many people live in the house. In Hilo, Puna, and along the Hamakua Coast — the windward stretch from Honokaa through Hakalau and Ninole — annual rainfall of 80 to 180 inches keeps tanks topped up almost continuously, so a 5,000 to 10,000 gallon Pioneer system handles a typical family without dropping below half-full even through the drier summer months. Kona properties up in the coffee belt above Captain Cook and Kealakekua sit in 50 to 80 inch territory and typically run 10,000 to 16,000 gallons, with the upper end covering smaller-roof properties and coffee-farm irrigation demand. South Kohala and Waikoloa Village shift the math entirely: rainfall drops to 10 to 15 inches a year, so we routinely spec 20,000 to 30,000 gallon tanks just to ride out the dry season, and many properties combine catchment storage with periodic water-haul delivery. Ka'u district properties around Ocean View, Naalehu, and South Point typically need 25,000 to 30,000 gallons plus a dedicated fire-protection reserve, given the brush-fire risk and the lack of fire hydrants across that part of the island.

Inter-island logistics shape every quote too. For Big Island installations, Pioneer tanks ship to our Captain Cook warehouse and we deliver on our own trucks, which keeps freight predictable. For Oahu jobs in Honolulu, Kaneohe, Kailua, and along the North Shore, we coordinate inter-island barge freight from Honolulu Harbor and dispatch a crew for the install — that adds shipping cost but no labor markup. Maui installs in Kahului, Wailuku, Kihei, and Lahaina go through Kahului Harbor, and Kauai installs in Lihue and Kapaa go through Nawiliwili. Every neighbor-island quote includes the actual freight number itemized, with no hidden fees layered on. On the install side, lava-zone properties in Puna, Ocean View, and parts of Ka'u require engineered pad preparation that goes beyond the standard sand pad — we account for that in the quote upfront rather than treating it as a change order partway through the job. Coastal salt-air properties from the Mauna Lani resort area through North Kohala, plus Kaneohe Bay and windward Kailua-Oahu, get upgraded stainless fittings and accelerated anode replacement on the maintenance schedule. The same headline package number means a different physical system in each of these zones — that's intentional, and it's the only honest way to quote catchment in Hawaii.

Install timing on the Big Island typically runs one to two days for a residential package once permits are issued and the tank delivery is scheduled. Pad preparation happens day one — grading the site, building the timber-and-block ring or pouring a concrete ring beam where lava terrain demands it. Tank panels assemble on day two, followed by liner fitment, plumbing tie-in to the dwelling, pump and pressure-tank set, filtration manifold and UV install, and commissioning at the tap. Neighbor-island installs add a few days at either end for barge freight and crew travel, but the on-site work stays in the same one-to-three-day window — we book those trips tightly so the crew is not waiting on materials. Hawaii County and the neighbor-island counties each have their own permit windows, and our office handles the paperwork in parallel with the site survey so the permitting clock starts before the quote is even signed. By the time we leave your property, the tank is fully filled and treated, the filtration chain is running, the pH neutralizer is loaded where it applies, and we have walked you through the maintenance schedule for your specific microclimate.