# South Korea Korea: Water supply; sewage, waste management, materials recovery / Seasonally Adjusted Index (BOK ECOS)

South Korea Korea: Water supply; sewage, waste management, materials recovery / Seasonally Adjusted Index (BOK ECOS) was up 2.3% year on year in September 2026, compared with 2.0% in August 2026.
The level stood at 93.20 2020=100.
That is the highest reading since October 2024.
Over the past ten years it has ranged from −9.2% (Dec 2022) to 13.2% (Feb 2020), averaging −0.2%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.SVCOUT.M.NSA.ITEM-I51AA-3`
- 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-sewage-waste-management-materials-recovery

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 93.20 2020=100 | 2.3 |
| August 2026 | 92.70 2020=100 | 2.0 |
| July 2026 | 93.40 2020=100 | −0.6 |
| June 2026 | 94.50 2020=100 | 1.2 |
| May 2026 | 84.30 2020=100 | −8.7 |
| April 2026 | 91.80 2020=100 | 1.5 |
| March 2026 | 91.30 2020=100 | −0.2 |
| February 2026 | 88.70 2020=100 | −3.0 |
| January 2026 | 88.50 2020=100 | −1.3 |
| December 2025 | 92.70 2020=100 | 0.5 |
| November 2025 | 91.60 2020=100 | −2.0 |
| October 2025 | 90.80 2020=100 | −9.1 |
| September 2025 | 91.10 2020=100 | −5.7 |
| August 2025 | 90.90 2020=100 | −6.0 |
| July 2025 | 94.00 2020=100 | −0.1 |
| June 2025 | 93.40 2020=100 | 0.2 |
| May 2025 | 92.30 2020=100 | −3.5 |
| April 2025 | 90.40 2020=100 | −7.5 |
| March 2025 | 91.50 2020=100 | −5.5 |
| February 2025 | 91.40 2020=100 | −6.7 |
| January 2025 | 89.70 2020=100 | −6.9 |
| December 2024 | 92.20 2020=100 | 1.1 |
| November 2024 | 93.50 2020=100 | −2.6 |
| October 2024 | 99.90 2020=100 | 4.1 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.SVCOUT.M.NSA.ITEM-I51AA-3"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.SVCOUT.M.NSA.ITEM-I51AA-3",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```