# South Korea Korea: Sewage, wastewater, human and animal waste treatment services / Volume Index (BOK ECOS)

South Korea Korea: Sewage, wastewater, human and animal waste treatment services / Volume Index (BOK ECOS) was down 12.1% year on year in September 2026, compared with −2.0% in August 2026.
The level stood at 96.60 2020=100.
That is the lowest reading since August 2021.
Over the past ten years it has ranged from −13.3% (Aug 2021) to 15.6% (Aug 2020), averaging −0.3%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.SVCOUT.M.NSA.ITEM-I51AAAA-2`
- Frequency: monthly
- Units: 2020=100
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-sewage-wastewater-human-and-animal-waste-treatment-services-kr-svcout-m-nsa-item-i51aaaa-2

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 96.60 2020=100 | −12.1 |
| August 2026 | 105.3 2020=100 | −2.0 |
| July 2026 | 111.6 2020=100 | 1.6 |
| June 2026 | 94.60 2020=100 | −3.7 |
| May 2026 | 96.80 2020=100 | −2.4 |
| April 2026 | 91.00 2020=100 | −0.9 |
| March 2026 | 90.40 2020=100 | −0.8 |
| February 2026 | 78.80 2020=100 | −2.6 |
| January 2026 | 88.10 2020=100 | −1.8 |
| December 2025 | 91.80 2020=100 | −0.1 |
| November 2025 | 92.00 2020=100 | −2.3 |
| October 2025 | 111.9 2020=100 | 9.9 |
| September 2025 | 109.9 2020=100 | 6.0 |
| August 2025 | 107.5 2020=100 | 1.7 |
| July 2025 | 109.8 2020=100 | −8.9 |
| June 2025 | 98.20 2020=100 | 4.1 |
| May 2025 | 99.20 2020=100 | −1.3 |
| April 2025 | 91.80 2020=100 | −2.1 |
| March 2025 | 91.10 2020=100 | −4.2 |
| February 2025 | 80.90 2020=100 | −11.9 |
| January 2025 | 89.70 2020=100 | −3.8 |
| December 2024 | 91.90 2020=100 | −6.1 |
| November 2024 | 94.20 2020=100 | 1.4 |
| October 2024 | 101.8 2020=100 | 5.9 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.SVCOUT.M.NSA.ITEM-I51AAAA-2"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.SVCOUT.M.NSA.ITEM-I51AAAA-2",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```