Table 1 Concentration of Cryptosporidium oocysts (oocysts/100 litres) in open waters in the floodplain and in public baths in Halle, Germany 2013

1

Pond in floodplain (in Kröllwitz)

n

1

2

Pond in floodplain (in Regattastrecke)

n

0

3

Pond in floodplain (Planena)

n

0

4

River Saale (near sewage plant North)

n

148

5

Saale lateral channel Mühlgraben (Street Ochsenbrücke, near beach)

y²

592

460

4

6

Saale lateral channel Mühlgraben (150 m up-stream from Street Ochsenbrücke)

n

20

7

Saale lateral channel Mühlgraben (300 m up-stream from Ochsenbrücke, West)

n

3

8

Saale lateral channel Mühlgraben (300 m upstream from Ochsenbrücke East)

n

144

9

Saale lateral channel Mühlgraben (500 m upstream from Ochsenbrücke)

n

5

10

Saale tributary Wilde Saale (in Gimritz)

n

5

11

River Saale (in island Rabeninsel)

n

0

12

River Saale (in island Planena

n

4

Saale tributary Weiße Elster

n

7

Pond outside floodplain

y

1

Pond outside floodplain

y

0

Public bath N

y

99 / 0¹

Public bath M

y

0/0/3¹

0/0/1/3¹

Public bath S

y

11 / 0¹

36 / 100¹