The Babao Canal

The broad Changhua plain had deep, rich soil that should by rights have yielded abundant harvests, yet it suffered from one great want: water. Flat and low-lying, the plain saw its rivers flood in the rainy season and run dry in the drought, leaving farmers at the mercy of an unreliable sky. A single dry year could ruin a crop. Until the land could be steadily irrigated it remained a country of parched fields and uncertain harvests, where settlers came and went and villages struggled to take root. In the early eighteenth century, seeing such fertile ground lying idle for lack of water, the wealthy landowner Shi Shi-bang resolved to change all of this, undertaking one of the most ambitious engineering feats of Qing Taiwan: a great canal to draw the waters of the Zhuoshui, the island's mightiest river, out across the plain.

It was a nearly defiant ambition. The Zhuoshui ran fierce and heavy with silt, its wide bed shifting and unruly, and to dam and divert such an untamed river was no small task. Shi poured a vast fortune and great labour into the work, engaging craftsmen and mobilising tenant farmers to cut the channels inch by inch along the planned course. Begun in 1709 and completed around 1719 after years of struggle, the canal took the better part of a decade to finish — a work of a scale and duration then unmatched on the island.

What nearly undid the whole enterprise was the intake. However the builders raised their weir, the racing current tore it away again and again, silt choked the mouth, and the river simply would not be led into the channel. With years of effort on the verge of coming to nothing, legend tells that in the darkest hour a mysterious old man known only as Mr. Lin appeared, and taught the builders how to fashion a weir of bamboo and stone that worked with the river's force rather than against it, at last coaxing the water into the canal. His task done, Mr. Lin vanished without taking any reward, leaving behind only a near-legendary memory that is honoured to this day.

Once complete, the canal and its branching web of channels watered eight of the plain's districts — the 'eight bao' from which it took its name. The bao were the basic administrative units of Qing local government, and these eight, joined together, covered the broad heartland of the Changhua plain. Clear and steady water flowed down the channels and split across the fields, turning cracked and parched earth into some of the most productive rice land in all of Taiwan.

Wherever the water reached, the countryside was transformed. Fields that had once depended on the whims of the weather could now yield two rice crops a year, and yields multiplied. The Babao Canal made Changhua one of the foremost granaries in all of Taiwan, its rice not only feeding the region but shipped through the ports to Fujian and the mainland beyond, a vital link in sustaining the empire's southeast. Plenty brought wealth, wealth drew people, and waves of new settlers came to farm wherever the canal's water ran. Market towns rose and villages lined the channels, and the whole human landscape of the plain was rewritten.

The Babao Canal did not stand alone. It belongs with the other great waterworks of the age, together sketching the central story of Qing Taiwan's frontier settlement: that the wealth of the island was built not only by the plough but by the patient, collective labour of moving water. Such canals were costly undertakings, often financed by the wealthy and dug by the combined effort of many tenants, and when they succeeded they enriched generations — the fruit of countless nameless craftsmen and farmers. The making of waterworks reshaped the value of the land and the distribution of its people, and left a deep mark on the society of Taiwan's western plains.

Three centuries on, the Babao Canal still carries the waters of the Zhuoshui quietly across the plain, nourishing the same fields. It is a hydraulic inheritance that shaped the island's agriculture for centuries, and a witness to the long struggle — and final reconciliation — between the settlers, the land, and the great river. Mr. Lin who vanished may be only a legend, but the people of Changhua, who have depended on the canal's water for generation upon generation, long ago wove that gratitude and reverence deep into the memory of the plain.