Medan's total reached 154.8 million m3, while Binjai's special category recorded zero; across 156 records, the average was 3.52 million m3.

Layanan ini menggunakan API Badan Pusat Statistik. This service uses the Central Statistics Agency API. From Indonesia. Clean water distribution in North Sumatra is far from uniform.

BPS data for 2021 shows that piped water volumes vary enormously not only between cities but also by consumer type—household, commercial, industrial, and special-use—revealing where infrastructure is concentrated and where it barely exists.

What the numbers show Medan recorded the single largest volume: 154,803,680 cubic meters in the total (Jumlah) category. At the other end, Binjai's special-use segment stood at zero .

Across all 156 regency-category combinations, the total water distributed reached 548,889,632 m³ , with an average of 3,518,523 m³ per record.

The second most telling detail Industrial and special consumer categories were virtually absent outside Medan and a few other cities.

Tebing Tinggi reported zero industrial volume and zero special volume, a pattern repeated in more than half of the 26 regencies/cities for those categories.

The gap between Medan and the rest is starker than the totals suggest Medan accounted for roughly 28% of all recorded water volume, with its non-commercial segment alone ( 128.

5 million m³ ) exceeding the entire total of any other regency. Pematangsiantar, the second-highest overall, reached only 19.9 million m³ —less than one-eighth of Medan’s figure.

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