Forest Hill, Wagga (NSW) Pasveer Stream
17/10/18 – 13/1/26
Average detections from 67 tests
76.6% of PFAS chemicals by volume occurred on one day (5/10/23) 98.9% of PFOS occurred on this day, indicating possibly an industrial release.
PFBA: 0.007627ug/L (7 detections)
PFPeA: 0.000985ug/L (1 detection)
PFHxA: 0.006507ug/L (15 detections)
PFHpA: 0.000358ug/L (1 detection)
PFOA: 0.004244ug/L (18 detections)
PFDA: 0.000338ug/L (2 detections)
PFPeS: 0.001015ug/L (1 detection)
PFHxS: 0.01091ug/L (2 detections)
PFHpS: 0.000567ug/L (1 detection)
PFOS: 0.030179ug/L (1 detection)
PFBS: 0.00106ug/L (1 detection)
Wagga Wagga City Council operates a STP located at Braehour Road, Forest Hill, approximately 7 km east of the CBD. The main objective of the plant is to treat sewage collected from the residential area of Forest Hill and the local RAAF base.
The plant consists of two separate treatment facilities; one services the residential population of Forest Hill while the other is for the load generated by the RAAF base. The residential plant consists of a Pasveer ditch which received incoming sewage. Clear treated effluent is decanted to tertiary ponds for 30 days storage and ultra violet disinfection, after which it is transferred to a storage lagoon for irrigation onto a treelot.
The RAAF plant consists of aerated lagoons where treated effluent is transferred to storage ponds for use on surrounding agricultural land. This effluent is always mixed with river water prior to application.
https://wagga.nsw.gov.au/services/stormwater-and-sewers/sewers/sewage-treatment