# South Korea Korea: Water supply / Value Index (BOK ECOS)

South Korea Korea: Water supply / Value Index (BOK ECOS) was up 3.0% year on year in September 2026, compared with 3.4% in August 2026.
The level stood at 131.2 2020=100.
Over the past ten years it has ranged from −2.6% (Feb 2019) to 8.5% (Aug 2024), averaging 3.2%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.SVCOUT.M.NSA.ITEM-I51AAC-1`
- Frequency: monthly
- Units: 2020=100
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-water-supply-value-index-bok-ecos

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 131.2 2020=100 | 3.0 |
| August 2026 | 135.5 2020=100 | 3.4 |
| July 2026 | 134.3 2020=100 | 2.2 |
| June 2026 | 125.8 2020=100 | 2.6 |
| May 2026 | 125.2 2020=100 | 4.2 |
| April 2026 | 119.2 2020=100 | 3.6 |
| March 2026 | 122.6 2020=100 | 3.5 |
| February 2026 | 114.1 2020=100 | 3.4 |
| January 2026 | 124.7 2020=100 | 4.9 |
| December 2025 | 122.6 2020=100 | 5.1 |
| November 2025 | 120.8 2020=100 | 4.7 |
| October 2025 | 125.3 2020=100 | 4.4 |
| September 2025 | 127.4 2020=100 | 4.9 |
| August 2025 | 131.0 2020=100 | 4.4 |
| July 2025 | 131.4 2020=100 | 6.9 |
| June 2025 | 122.6 2020=100 | 5.1 |
| May 2025 | 120.1 2020=100 | 4.7 |
| April 2025 | 115.1 2020=100 | 5.2 |
| March 2025 | 118.4 2020=100 | 6.4 |
| February 2025 | 110.3 2020=100 | 4.7 |
| January 2025 | 118.9 2020=100 | 5.4 |
| December 2024 | 116.6 2020=100 | 5.1 |
| November 2024 | 115.4 2020=100 | 6.4 |
| October 2024 | 120.0 2020=100 | 6.6 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.SVCOUT.M.NSA.ITEM-I51AAC-1"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.SVCOUT.M.NSA.ITEM-I51AAC-1",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```