Test results
Keeping you informed on PFAS test results.
Riverina Water has proactively conducted testing since 2020 and all historic and current results are available below. The Australian Drinking Water Guidelines (ADWG) specify limits for PFAS substances.
Please note the guidelines refer to safe levels in treated water. A detection in a raw water source does not necessarily indicate a any concern in treated drinking water.
In October 2024, the National Health and Medical Research Council proposed new health-based guideline values for PFAS substances. Following this, Riverina Water expanded its testing to include lower level values that may have previously not been detected.
In June 2025, new guidelines were adopted. All results from November 2024 onwards can be found below. Older results relating to the previous guidelines can be found here.
|
PFAS substance |
Health-based values adopted in June 2025 |
|
PFOS |
8 ng/L. (Less than 0.008 micrograms per litre) |
|
PFHxS |
30 ng/L. (Less than 0.03 micrograms per litre) |
|
PFOA |
200 ng/L. (Less than 0.2 micrograms per litre) |
|
PFBS |
1000 ng/L. (Less than 1.0 micrograms per litre) |
Results
- All results are below Australian Drinking Water Guidelines health-based values unless otherwise specified in the notes column.
- All results listed are ug/l, micrograms per litre.
- N/D means not detected.
- Tarcutta Bore 4 has been in operation since May. Tarcutta Bore 5 is no longer in service.
Treated Water
|
Site |
Month |
PFAS substance |
Notes |
|
Urana |
November 2024 |
PFOA 0.0004 |
|
|
North Wagga |
October 2024 |
PFOA 0.0001 |
|
|
Humula |
October 2024 |
N/D |
|
|
Woomargama |
October 2024 |
N/D |
|
|
Ralvona |
October 2024 |
N/D |
|
|
Walbundrie |
October 2024 |
N/D |
|
|
Gardiner's Crossing |
October 2024 |
N/D |
|
|
Bulgary |
October 2024 |
N/D |
|
|
Morundah |
October 2024 |
PFOA 0.0002 |
|
|
West Wagga |
October 2024 |
PFOA 0.0003 |
|
|
Oura |
October 2024 |
N/D |
N/D |
Tarcutta (treated and raw water)
|
Site |
Month |
PFAS substance |
Notes |
|
Bore 5 |
June 2025 |
PFOA <0.001 |
PFOS detected in raw water |
|
Bore 4 |
|
PFOA <0.001 |
|
|
Bore 5 |
May 2025 |
PFOA <0.001 |
PFOS detected in raw water |
|
Bore 4 |
April 2025 |
PFOA <0.001 PFBS <0.001 PFHxS <0.001 PFOS <0.002 |
|
|
Bore 5 |
April 2025 |
PFOA <0.001 PFBS 0.0024 PFHxS 0.011 PFOS 0.011 |
PFOS detected in raw water |
|
Bore 4 |
March 2025 |
PFHxS 0.0014 PFOS 0.0025 |
|
|
Bore 5 |
|
PFOA 0.0011 PFBS 0.0026 PFHxS 0.013 PFOS 0.016 |
PFOS detected in raw water |
|
Bore 4 |
February 2025 |
PFHxS 0.0014 PFOS 0.0025 |
|
|
Bore 5 |
|
PFOA 0.0011 PFBS 0.0026 PFHxs 0.013 PFOS 0.016 |
PFOS detected in raw water |
|
Bore 5 |
January 2025 |
PFBS 0.0025 PFHxS 0.012 PFOS 0.013 |
PFOS detected in raw water |
|
Bore 4 |
|
PFHxS 0.0054 PFOS 0.0055 |
PFOS detected in raw water |
|
Bore 4 |
December 2024 |
PFHxS 0.0018 |
|
|
Bore 5 |
|
PFBS 0.0028 |
PFOS detected in raw water |
|
Treated water |
October 2024 |
PFOA 0.0011 |
PFOS detected in treated water |
|
Bore 4 |
N/D |
|
|
|
Bore 5 |
PFOA 0.001 |
|
|
|
Tarcutta Creek |
N/D |
|
East Wagga borefield (raw water)
|
Site |
Month |
PFAS substance |
Notes |
|
East Wagga Bore 1 |
June 2025 |
PFOA <0.001 |
|
|
East Wagga Bore 2 |
|
PFOA <0.001 |
|
|
East Wagga Bore 1 |
May 2025 |
PFOA <0.001 |
|
|
East Wagga Bore 2 |
|
PFOA <0.001 |
|
|
East Wagga Bore 1 |
April 2025 |
PFOA <0.001 PFBS <0.001 PFHxS 0.0012 PFOS <0.002 |
|
|
East Wagga Bore 2 |
|
PFOA <0.001 PFBS 0.0011 PFHxS 0.0057 PFOS 0.0023 |
|
|
East Wagga Bore 1 |
March 2025 |
PFHxS 0.0014 PFOS 0.0022 |
|
|
East Wagga Bore 3 |
|
PFHxS 0.0013 PFOS 0.0021 |
|
|
East Wagga Bore 1 |
February 2025 |
PFHxS 0.0014 PFOS 0.0022 |
|
|
East Wagga Bore 3 |
|
PFHxS 0.0013 PFOS 0.0021 |
|
|
East Wagga Bore 1 |
January 2025 |
PFHxS 0.0011 |
|
|
East Wagga Bore 2 |
|
PFBS 0.0011 PFHxS 0.0053 PFOS 0.0023 |
|
|
East Wagga Bore 1 |
December 2024 |
PFHxS 0.0013 |
|
|
East Wagga Bore 2 |
|
PFBS 0.0011 |
|
|
East Wagga Bore 1 |
November 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
PFHxS 0.005 |
|
|
East Wagga Bore 1 |
October 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
September 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 1 |
August 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
July 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
June 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
May2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
April 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 2 |
March 2024 |
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 1 |
February 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
January 2024 |
N/D |
|
|
East Wagga Bore 2 |
|
|
Offline due to power outage |
|
East Wagga Bore 1 |
December 2023 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
November 2023 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
October 2023 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 1 |
September 2023 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 1 |
August 2023 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 1 |
March 2021 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 1 |
September 2021 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 2 |
March 2021 |
N/D |
|
|
East Wagga Bore 1 |
February 2021 |
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 1 |
September 2020 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
|
East Wagga Bore 1 |
February 2020 |
N/D |
|
|
East Wagga Bore 2 |
|
N/D |
|
|
East Wagga Bore 3 |
|
N/D |
|
West Wagga borefield (raw water)
|
Site |
Month |
PFAS substance |
Notes |
|
West Wagga Bore 5 |
June 2025 |
PFOA 0.0043 PFBS 0.0015 PFHxS 0.0061 PFOS 0.0075 |
|
|
West Wagga Bore 4 |
May 2025 |
PFOA <0.001 |
|
|
West Wagga Bore 5 |
|
PFOA 0.0056 |
|
|
West Wagga Bore 4 |
|
PFOA 0.0011 PFBS 0.0021 PFHxS 0.0084 PFOS 0.0061 |
|
|
West Wagga Bore 5 |
April 2025 |
PFOA 0.0047 PFBS 0.0019 PFHxS 0.0057 PFOS 0.0052 |
|
|
West Wagga Bore 4 |
March 2025 |
PFOA 0.0010 PFBS 0.0023 PFHxS 0.0091 PFOS 0.0079 |
|
|
West Wagga Bore 4 |
February 2025 |
PFOA 0.0010 PFBS 0.0023 PFHxS 0.0091 PFOS 0.0079 |
|
|
West Wagga Bore 5 |
January 2025 |
N/D |
|
|
West Wagga Bore 4 |
|
PFBS 0.0021 PFHxS 0.0090 PFOS 0.0064 |
|
|
West Wagga Bore 4 |
December 2024 |
PFOA 0.0011 |
Bore not in production. |
|
West Wagga Bore 4 |
November 2024 |
PFBS 0.0016 |
|
North Wagga borefield (raw water)
|
Site |
Month |
PFAS substance |
Notes |
|
North Wagga Bore 1 |
September 2024 |
N/D |
|
|
North Wagga Bore 2 |
|
N/D |
|
Murrumbidgee River (raw water)
|
Site |
Month |
PFAS substance |
Notes |
|
Murrumbidgee River |
June 2025 |
PFOA <0.001 |
|
|
Murrumbidgee River |
May 2025 |
PFOA <0.001 |
|
|
Murrumbidgee River |
April 2025 |
PFOA <0.001 PFBS <0.001 PFHxS 0.0010 PFOS <0.002 |
|
|
Murrumbidgee River |
March 2025 |
PFHxS 0.0013 PFOS 0.0024 |
|
|
Murrumbidgee River |
February 2025 |
PFHxS 0.0013 PFOS 0.0024 |
|