PFAS Detections Christies Beach WWTP
WWTP Outlet A/C Final Effluent #4101
21/3/2017: PFOS 0.01ug/L (10 ng/L), PFOA 0.01ug/L (10ng/L)
26/6/2025: PFBS 0.014 ug/L, PFHxA 0.008 ug/L, PFOA 0.002 ug/L, PFOS 0.003, PFPeA 0.004ug/L. PFHxS+ PFOS 0.003 ug/L. Sum PFAS 0.031 ug/L.
Waste Water
Final Effluent after UV #41073
21/3/2017: PFOA 0.01 ug/L (10 ng/L)
6/06/2024: PFHxA 0.04 ug/l. Sum PFAS 0.04 ug/l.
Sewage
4100 Christies Beach WWTP Sewage 21/3/2017 PFOS 0.02 ug/l (20 ng/l)
SA Water WWTP SN 1074 Biosolids PFAS 2023
Christies Beach WWTP : Hardstands
21/2/2023
520 1/3: PFHxS 0.5ug/kg, PFOS 12ug/kg, PFHxS+PFOS 12.5ug/kg, PFOA 3ug/kg, Sum of PFAS 44.8ug/kg
520 2/3: PFHxS 0.7ug/kg, PFOS 16ug/kg, PFHxS+PFOS 15.7ug/kg, PFOA 3.4ug/kg, Sum of PFAS 49.1ug/kg
520 3/3: PFHxS 0.7ug/kg, PFOS 15ug/kg, PFHxS+PFOS 15.7ug/kg, PFOA 3.3ug/kg, Sum of PFAS 48.9ug/kg
Hardstand – agitated air dried. (Soil) 3/12/2024.
538. Sum PFAS 111.5 ug/kg, PFHxS + PFOS 48.2 ug/kg.
Hardstand – agitated air-dried Soil .20/06/2025.
CHB25.582A. Sum PFAS 16 ug/kg, PFHxS+ PFOS 9.8 ug/kg.
CHB25.582B. Sum PFAS 6.2 ug/kg, PFHxS + PFOS 3.5 ug/kg.
CHB25.582C. Sum PFAS 28.1 ug/kg, PFHxS + PFOS 16.2 ug/kg.
Christies Beach WWTP: Hardstands TOPA
21/2/2023
520 1/3: PFHxS 1.4ug/kg, PFOS 15ug/kg, PFHxS+PFOS 16.4ug/kg, PFOA 11ug/kg, Sum of PFAS 88.4ug/kg
520 2/3: PFHxS 1.6ug/kg, PFOS 17ug/kg, PFHxS+PFOS 18.6ug/kg, PFOA 11ug/kg, Sum of PFAS 88.6ug/kg
520 3/3: PFHxS 1.5ug/kg, PFOS 17ug/kg, PFHxS+PFOS 18.5ug/kg, PFOA 10ug/kg, Sum of PFAS 86ug/kg
Hardstand – agitated air dried (Soil). TOPA. 3/12/2024.
538. Sum PFAS 230.6 ug/kg, PFHxS + PFOS 44.7 ug/kg.
Hardstand – agitated air dried (Soil). TOPA. 20/6/2025.
CHB25.582B. Sum PFAS 24.6 ug/kg, PFHxS + PFOS 2 ug/kg.