Skip to Main Content

Compiled pathogen and faecal indicator stormwater quality data for the Parafield site are reported in Table 1.

Table 1

Summary of pathogen and faecal indicators from urban stormwater data

Default values for reference pathogens (raw stormwater)aParafield stormwater harvesting system (PDS untreated stormwater only)b
Stormwater quality summary statistics from untreated sewered urban catchments in Sydneyc
Log normal 95th percentileNumber of samplesDetects (%)MedianLog normal 95th percentileNumber of samplesDetects (%)MedianLog normal 95th percentile
Adenovirus (n/L) 18 28 <1 NR <1 
Cryptosporidium (n/10L) 18 (=1.8/L) 18 50 14 59 37 <13 102 
Campylobacter (n/L) 15 19 26 11 59 <2 <2 
Giardia (n/10L)  18 50 12 83 59 19 <25 220 
E. coli (n/100 mL)  21 95 9,600 64,000 58 100 1,700 240,000 
Enterococci (n/100 mL)  100 2,900  59 100 740 12,100 
Bacteriophage (n/10 mL)  20 100 140 1,800     
Default values for reference pathogens (raw stormwater)aParafield stormwater harvesting system (PDS untreated stormwater only)b
Stormwater quality summary statistics from untreated sewered urban catchments in Sydneyc
Log normal 95th percentileNumber of samplesDetects (%)MedianLog normal 95th percentileNumber of samplesDetects (%)MedianLog normal 95th percentile
Adenovirus (n/L) 18 28 <1 NR <1 
Cryptosporidium (n/10L) 18 (=1.8/L) 18 50 14 59 37 <13 102 
Campylobacter (n/L) 15 19 26 11 59 <2 <2 
Giardia (n/10L)  18 50 12 83 59 19 <25 220 
E. coli (n/100 mL)  21 95 9,600 64,000 58 100 1,700 240,000 
Enterococci (n/100 mL)  100 2,900  59 100 740 12,100 
Bacteriophage (n/10 mL)  20 100 140 1,800     

NR, not recorded, PDS, Parafield Data Station.

aDefault values recommended for non-potable use risk assessment after Table A3.1 from NRMMC-EPHC-NHMRC (2009b).

bData set only includes sampling of untreated stormwater from the Parafield Data Station to 30/11/2012.

cDerived from Table A2.4, NRMMC-EPHC-NHMRC (2009b).

Close Modal

or Create an Account

Close Modal
Close Modal