Table 2.
Characteristics of the constructed wetlands sites in this study
| Basin | Dam | Name of wetland | Constructed year | Characteristics of wetland |
| Type | Watershed area(ha) | Wetland area(ha) | Water treatment quantity(㎥/day) | HRT(hr) |
| Han river | Gunnam | GN-1 | 2011 | FWS | 304.0 | 1.0 | 7,482 | 17.0 |
| GN-2 | FWS | 304.0 | 1.4 | 6,410 | 24.0 |
| Hoengseong | HS | 2011 | FWS | 580.0 | 0.4 | ND | ND |
| Geum river | Daecheong | DC-1 | 2004 | FWS | 3,691.2 | 1.3 | 12,000 | 12.0 |
| DC-2 | 2011 | FWS | 1,702.4 | 3.5 | 18,000 | 48.0 |
| Yeongsan river | Juam | JA | 2001 | FWS | 1,848.5 | 0.2 | 30 | ND |
| Jangheung | JH-1 | 2003 | FWS | 3,320.9 | 1.2 | 10,556 | 32.9 |
| JH-2 | FWS | 1,594.5 | 0.8 | 16,910 | 36.5 |
| JH-3 | FWS | 5,697.0 | 1.3 | 11,536 | 29.0 |
| Pyungrim | PR | 2007 | FWS | 8,165.5 | 3.4 | 8,000 | ND |
| Nakdong river | Yeongju | YJ-1 | 2016 | FWS | 1,496.2 | 0.4 | 40,600 | 12.0 |
| YJ-2 | FWS | 3,494.1 | 0.2 | 1,068 | 12.0 |
| YJ-3 | FWS | 5,821.7 | 0.1 | 1,038 | 12.0 |
| Seongduk | SD-1 | 2014 | FWS | 82,104.9 | 0.3 | 2,309 | 24.0 |
| SD-2 | FWS | 82,104.9 | 0.6 | 2,291 | 24.0 |
| Bohyeonsan | BH-1 | 2014 | FWS | 35,747.9 | 0.1 | 739 | 6.0 |
| BH-2 | FWS | 35,747.9 | 0.1 | 590 | 4.0 |
| BH-3 | FWS | 35,747.9 | 0.1 | 809 | 7.0 |
| BH-4 | FWS | 35,747.9 | 0.7 | 4,216 | 11.0 |
| Gimcheon Buhang | KB-1 | 2014 | FWS | 44,972.4 | 2.5 | 29,376 | 12.0 |
| KB-2 | FWS | 44,972.4 | 0.2 | 691 | 24.0 |
| KB-3 | FWS | 44,972.4 | 0.2 | 691 | - |
| KB-4 | FWS | 44,972.4 | 0.2 | 605 | 24.0 |
| KB-5 | FWS | 44,972.4 | 0.7 | 2,074 | 24.0 |
| KB-6 | FWS | 44,972.4 | 0.7 | 2,074 | ND |
| Gunwi dam | GW-1 | 2010 | FWS | 17,190.4 | 0.3 | ND | ND |
| GW-2 | FWS | 17,190.4 | 0.2 | ND | ND |
| GW-3 | 2011 | FWS | 17,190.4 | 0.2 | ND | ND |
| GW-4 | FWS | 17,190.4 | 0.2 | ND | ND |
| GW-5 | FWS | 17,190.4 | 0.1 | ND | ND |
| Yeoncho | YC-1 | 2006 | FWS | 62.5 | 0.4 | 15,552 | 6.5 |
| YC-2 | FWS | 62.5 | 1.8 | 16,416 | 35.0 |
| YC-3 | FWS | 62.5 | 0.6 | 7,776 | 37.0 |
| YC-4 | FWS | 62.5 | 0.2 | 7,776 | 15.0 |
| Daegok | DG-1 | 2005 | FWS | 241.0 | 0.4 | 1,032 | 24.0 |
| DG-2 | FWS | 241.0 | 1.5 | 6,362 | 24.0 |
| DG-3 | FWS | 241.0 | 2.3 | 8,786 | 24.0 |
| Hapcheon | HC | 2001 | FWS | 3,625.3 | 0.1 | 150 | 36.0 |
| Namgang | NG | 1997 | FWS | 4,596.6 | 0.1 | 15 | 96.0 |