2019: North Richmond Water Filtration Plant (NSW). PFOS, PFHxS, PFOA

2019: North Richmond Water Filtration Plant

PFAS results in drinking water serviced by North Richmond Water Filtration Plant
Sampling dates PFOS (ug/L) PFHxS (ug/L) PFOA (ug/L)
22-23 Jan 2019 – Wet weather #1
High tide
Low tide		 0.0055
0.0057		 0.0042
0.0042		 0.0036
0.0038
18 Feb 2019 0.0036 0.0038 0.0029
5 Mar 2019 0.0043 0.0037 0.0030
15 Mar 2019 – Wet weather #2 0.0030 0.0025 0.0019
19 Mar 2019 – Wet weather #3 0.0027 0.0028 0.0020
21 Mar 2019 0.0028 0.0027 0.0017
4 Apr 2019 0.0043 0.0031 0.0031
15 Apr 2019 0.0041 0.0039 0.0037
29 Apr 2019 0.0039 0.0036 0.0037
Australian Drinking Water Guideline values PFOS+PFHxS = 0.070 µg/L 0.56 µg/L
North Richmond levels in University of Queensland survey 2011 0.00146 – 0.00332 0.00421 – 0.00824 0.00517 – 0.00916