Table 4:
Significant water quality and recreational area parameters (p < 0.05) for E. coli (log10 MPN/L), enterococci (log10 CFU/L), somatic coliphage (log10 PFU/L), and total coliphage (log10 PFU/L).
Indicator | Recreation Area | Site | Water Quality and Recreational Area Parameters |
---|---|---|---|
Enterococci (Log10 CFU/L) |
Edgewater | C | conductivity, turbidity, rainfall (72hr) |
H | DOC, DO, turbidity, bird count | ||
R | rainfall (72hr, 48hr), turbidity | ||
Grant Park | C | rainfall (72hr), bird count, wave height | |
H | rainfall (48hr, 24hr), turbidity, bird count | ||
R | DOC, rainfall (48hr), conductivity, wind direction | ||
Washington Park | C | Air temperature, conductivity, DO, human count | |
H | turbidity | ||
E. coli (Log10 MPN/100L) |
Edgewater | C | turbidity |
H | conductivity, DO, pH, turbidity | ||
R | DOC, rainfall (72hr, 48hr), conductivity | ||
Grant Park | C | bird count, wave height | |
H | rainfall (48hr), bird count, wave height | ||
R | DOC, UV_254, conductivity, wind direction | ||
Washington Park | C | turbidity, human count | |
H | turbidity | ||
R | rainfall (72hr), conductivity, turbidity | ||
Somatic Coliphage (Log10 PFU/L) |
Edgewater | C | UV_254, rainfall (72hr, 24hr), conductivity, water temperature, wave height |
H | UV_254, rainfall (24hr), DO | ||
R | rainfall (72hr) | ||
Grant Park | C | rainfall (72hr), conductivity, bird count | |
H | rainfall (72hr), bird count | ||
R | DOC, conductivity, water temperature | ||
Washington Park | C | DOC, UV_254, turbidity | |
H | rainfall (72hr), turbidity | ||
R | rainfall (72hr), pH | ||
Total Coliphage (Log10 PFU/L) |
Edgewater | C | UV_254, rainfall (72hr, 24hr), conductivity, water temperature, wave height |
H | UV_254, rainfall (48hr, 24hr), DO | ||
R | rainfall (72hr), conductivity | ||
Grant Park | C | rainfall (72hr), conductivity, bird count | |
H | rainfall (72hr), conductivity, bird count | ||
R | DOC, conductivity, water temperature | ||
Washington Park | C | DOC, UV_254, turbidity | |
H | turbidity | ||
R | rainfall (72hr) |
Parameters in bold indicate a negative correlation with respective indicator. Sites include composite (C), historic ((H), and river (R). Parameter abbreviations include dissolved organic carbon (DOC) and UV_254 (ultraviolet absorption at 254 nm).