Matsumoto City Waterworks Bureau Shimauchi No. 1 Water

Matsumoto Waterworks Shimauchi First Source: The Storehouse

Five of the six Matsumoto waterworks structures registered in August 2015 are concrete or brick, and several of them were given Art Deco dress. The sixth is a timber shed with a tiled roof, forty square metres in plan, standing on the west side of the old engine house at the Shimauchi source.

It is also the only one of the six still doing the work it was built for. Waterworks paperwork goes into it. Waterworks paperwork has gone into it since 1922.

The construction diary held by the Matsumoto City Waterworks Bureau records that in May of that year the contractor delivered building materials for a storehouse. That entry is the basis for dating it, and it places the shed among the earliest things raised on the site, ahead of the engine house that would eventually stand beside it.

The proportions are modest and legible. The building runs four ken along its length and three ken across, roughly 7.28 by 5.46 metres, which multiplies out to the forty square metres in the register. It faces east. Two doorways sit in that east front, placed symmetrically, which is a small courtesy in a building nobody was meant to admire. The roof is hipped, the walls finished in mortar render, and the eaves are carried high: a storehouse wants volume more than it wants elegance, and raising the wall plate is the cheapest way to get it.

What the exterior does not advertise is the roof frame.

The Truss in the Roof

Lift the ceiling and the shed turns out to be framed with a king-post truss. A vertical member rises from the centre of the tie beam to the ridge, and the load of the roof is resolved through triangles rather than carried on posts standing in the floor. That is a Western structural idea, not a Japanese one, and it is the reason a small timber building can enclose an unobstructed span.

For a storehouse the logic is direct. Clear the floor of columns and the whole interior becomes usable. Combine that with the raised walls and a shed of quite ordinary size holds a great deal.

Matsumoto has one other registered building framed the same way: the former forage store of the 50th Infantry Regiment. The pairing is instructive. Truss framing reached Japan through the kinds of construction that had to be functional first, and a municipal waterworks depot in 1922 belonged squarely to that world.

The Agency for Cultural Affairs record notes something the city's own description does not mention: that the storehouse was moved to its present position around 1965. Relocation is common enough in the life of a working utility site, where buildings are shifted as plant is renewed, and it does not affect the registration. Readers comparing the two sources should be aware that they differ on this point.

What Registration Recognised

Registration of Tangible Cultural Properties, introduced in 1996, works differently from designation. Designation is the older instrument and covers National Treasures and Important Cultural Properties, with strong protection and tight control over any change. Registration was created because the modern era had produced far more buildings of value than the designation system could ever process, and many were being lost before assessment. It asks owners to notify rather than apply, keeps the regulatory weight light, and aims to catch buildings while they still exist.

The storehouse entered the register on 4 August 2015, in the eighty-first round, as registration number 20-0483. The clause cited is that it contributes to the historic landscape of the nation, the same clause applied to the junction well and the old distribution reservoir at Joyama.

That clause is worth reading literally. The building is not claimed to be architecturally distinguished. It is claimed to belong somewhere. A source site with a pump house, a collection well, a stone retaining wall and a storehouse is a legible piece of infrastructure; take the storehouse away and the ensemble stops explaining itself. Utilities are made of unglamorous parts, and the parts have to survive together for the whole to mean anything.

The wider project carries two names of standing in the early construction of Japan's modern waterworks: Sano Tojiro, who conducted the source survey, and Takechi Shojiro, who handled the design. The path to registration ran from a Nagano prefectural survey of modern heritage in fiscal 2007 and 2008, through a site inspection by the Agency for Cultural Affairs in September 2013 that advised treating the Shimauchi and Joyama facilities as one system, to Matsumoto's formal submission at the end of September 2014.

Looking at It Today

The shed is not what it looked like in 1922. Its exterior now wears a coat of white oil-based paint, applied at some point over the mortar, matching the treatment given to the old engine house next door. The city is candid that this departs from the original appearance.

Everything else has held. Beyond the paint and the relocation noted in the national record, no substantial alteration is evident, and the building reads today much as it was framed.

There is a particular pleasure in a hundred-year-old cultural property that has never been asked to become a museum of itself. The documents inside are current. The shelves are in use. Whoever fetches a file from it this week is doing what the building was raised to permit.

Access requires arrangement. The Shimauchi source remains part of Matsumoto's working water infrastructure and is closed to casual visitors. The city accepts applications for guided visits through its Demae Koza outreach programme, submitted to the Lifelong Learning Division through the municipal electronic application system. Season and engineering work both affect what can be shown.