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)