Table 2 Water quality of inflowing streams and lake surface (median, mg L^-1; Chl.a, ug L^-1, (25th–75th percentile))

Inflow St.1

(2008–2009)

4.6

(3.1–5.0)

6.4

(5.9–6.4)

45.7

(32.0–71.5)

3.73

(3.71–4.89)

0.190

(0.124–0.244)

0.16

(0.09–0.23)

51

(38–54)

10

Inflow St.2

(2008–2009)

2.7

(1.3–5.0)

6.4

(5.0–8.1)

11.9

(5.7–44.1)

3.76

(3.30–4.37)

0.131

(0.113–0.222)

0.42

(0.23–0.79)

48

(38–68)

10

STP effluent

(2003–2007)

10.4

(8.3–12.7)

14.9

(12.3–17.7)

12.5

(7.1–23.3)

7.9

(5.9–13.6)

0.633

(0.270–1.299)

0.65

(0.50–0.77)

28

(21–44)

24

STP effluent

(2008–2009)

1.6

(1.0–2.2)

6.8

(6.0–7.8)

1.9

(1.4–3.6)

10.6

(8.9–12.5)

0.310

(0.185–0.355)

0.25

(0.15–0.32)

78

(61–88)

29

Lake surface

(May 1999–Jun. 2007)

11.4

(8.7–13.7)

15.8

(13.2–18.4)

20.4

(16.0–30.7)

4.75

(3.47–5.87)

0.232

(0.181–0.284)

112.4

(53.9–163.7)

0.70

(0.51–0.87)

42

(27–70)

0.54

(0.22–0.84)

42

Lake surface

(Aug. 2007–Nov. 2009)

5.2

(4.1–7.1)

10.2

(8.7–11.3)

19.1

(13.9–30.8)

3.56

(2.31–4.93)

0.081

(0.054–0.137)

42.2

(24.9–110.8)

0.59

(0.47–0.69)

102

(68–154)

0.61

(0.28–1.15)

20