| Phase I |
| Phase II |
| |||
| Variables | Inlet | Outlet |
| Inlet | Outlet |
|
| T (˚C) | 28.0 ± 1.0 | 27.3 ± 1.0 | NS | 27.9 ± 0.9 | 26.4 ± 0.9 | NS |
| (27.0 - 29.1) | (26.2 - 28.3) | (26.7 - 28.9) | (25.1 - 27.4) | |||
| pH | 7.1 ± 0 | 7.3 ± 0.1 | ** | 6.7 ± 0.3 | 6.9 ± 0.3 | NS |
| (7.1 - 7.1) | (7.2 - 7.3) | (6.5 - 7.1) | (6.6 - 7.4) | |||
| EC (µS・cm−1) | 182.9 ± 22.0 | 181.7 ± 19.9 | NS | 162.6 ± 3.6 | 169.0 ± 5.4 | NS |
| (161.7 - 204.3) | (165.3 - 210.3) | (159.0 - 167.3) | (163.7 - 174.3) | |||
| Turb (NTU) | 5.8 ± 1.6 | 2.9 ± 2.4 | ** | 8.2 ± 3.4 | 2.3 ± 0.9 | ** |
| (4.4 - 8.0) | (1.0 - 6.1) | (6.0 - 13.0) | (1.0 - 3.0) | |||
| Alk (mg・L−1) | 104.0 ± 2.3 | 108.4 ± 2.9 | NS | 103.5 ± 1.6 | 104.9 ± 2.8 | NS |
| (102.3 - 106.3) | (104.0 - 110.0) | (101.6 - 105.5) | (102.2 - 107.7) | |||
| DO (mg・L−1) | 1.9 ± 0.3 | 2.6 ± 0.2 | ** | 1.6 ± 0.4 | 2.9 ± 0.6 | ** |
| (1.6 - 2.4) | (2.4 - 2.7) | (1.1 - 2.0) | (2.2 - 3.5) | |||
| NO3 (µg・L−1) | 82.7 ± 45.7 | 37.2 ± 14.4 | ** | 81.8 ± 12.6 | 22.9 ± 18.5 | ** |
| (31.9 - 139.8) | (25.4 - 57.2) | (64.7 - 93.2) | (5.9 - 47.5) | |||
| NO2 (µg・L−1) | 9.4 ± 3.6 | 5.3 ± 1.0 | ** | 19.7 ± 3.1 | 11.6 ± 5.0 | ** |
| (5.2 - 13.9) | (4.3 - 6.7) | (16.0 - 23.1) | (5.5 - 16.7) | |||
| NH3 (µg・L−1) | 2785 ± 1219.6 | 3590 ± 955.9 | NS | 1388 ± 217.2 | 1863 ± 164.9 | ** |
| (1920 - 4087) | (2245 - 4438) | (1151 - 1628) | (1648 - 2006) | |||
| PO4 (µg・L−1) | 271.1 ± 132.6 | 309.9 ± 94.9 | NS | 242.1 ± 52.2 | 265.4 ± 24.6 | NS |
| (131.8 - 427.2) | (201.5 - 407.6) | (193.4 - 315.7) | (230.9 - 288.9) | |||
| TP (µg・L−1) | 570.5 ± 285.5 | 480.4 ± 192.9 | NS | 361.5 ± 102.2 | 283.4 ± 61.3 | NS |
| (323.1 - 884.3) | (320.3 - 662.0) | (265.5 - 504.7) | (206.8 - 345.2) | |||
| TSS (mg・L−1) | 21.0 ± 12.3 | 7.6 ± 6.8 | ** | 9.0 ± 7.0 | 1.0 ± 0.8 | ** |
| (12.0 - 39.0) | (1.0 - 22.0) | (2.0 - 16.0) | (0.1 - 2.0) | |||
| TDS (mg・L−1) | 135.7 ± 23.1 | 153.2 ± 31.7 | NS | 194.5 ± 70.4 | 111.4 ± 9.5 | NS |
| (110.0 - 165.0) | (117.0 - 193.0) | (134.0 - 296.0) | (101.0 - 124.0) | |||
| BOD (mg・L−1) | 76.5 ± 13.6 | 71.6 ± 18.7 | ** | 93.0 ± 3.8 | 85.6 ± 7.8 | NS |
| (74.5 - 92.7) | (53.9 - 94.4) | (87.7 - 96.0) | (74.1 - 91.0) | |||
| TC (MPN 100 mL−1) | 50,750 ± 32,623 | 3475 ± 2284 | ** | 25,250 ± 16,257 | 3325 ± 1362 | ** |
| (22,000 - 79,000) | (2000 - 7,8000) | (13,000 - 49,000) | (2000 - 4500) | |||
| Chlorop (µg・L−1) | 4.5 ± 3.7 | 6.0 ± 4.8 | NS | 7.2 ± 5.2 | 5.1 ± 3.4 | NS |
| (0.1 - 9.2) | (0.1 - 13.9) | (1.9 - 12.1) | (1.9 - 9.3) | |||