Ironman Swim Event Baseline Data

The MDPH evaluates bacterial water quality conditions at the Monona Terrace location for Ironman Triathlon before and during the swim event. The area is not a designated City of Madison beach during other times of the summer. The area by the swimming course was sampled on 8/31/04 and 9/9/04 with excellent bacterial quality results (see attached). The swimming conditions are very good and average water temperature was 71.5 degrees F.

Ironman Swim Event Baseline Data

Indicator Bacteria Results CFU or MPN/100mL

Sample ID

Sample Date

Time

Temperature, C

Temperature, F

Fecal Colif.(CFU)

E. Coli (MPN)

Enterococci (MPN)

IM-North

8/31/2004

11:30

25.3

77.5

<10

1

1

IM-East

8/31/2004

11:45

25.7

78.3

<10

7.5

1

IM-North

8/31/2004

11:50

25.1

77.2

10

21.3

3.1

IM - Start 9/9/2004 11:20 21.9 71.4 <10 <1 2
IM- Middle Course 9/9/2004 11:28 22 71.5 <10 <1 5.2
IM Middle #2 9/9/2004 11:33 22 71.5 <10 <1 5.1