Western Australia Iron Ore (WAIO)
Quarterly Drinking
Water Quality Report -
Newman WL53
Operating Area
Jan - Mar 2024
30 April 2024
Contents
6 | Radiological Performance | 11 | |
6.1 | Radiological - Compliance Summary | 11 | |
6.2 | Radiological - Exception Notifications | 11 | |
6.3 | Radiological - Incident Specific Information | 11 | |
7 | Planned Sample Summary | 12 | |
7.1 | Planned Sample - Compliance Summary | 12 | |
7.2 | Planned Sample - Exceptions | 12 | |
8 | General Notes/Other News | 13 |
Water Provider Information
BHP
1 Water Provider Information
Water Provider Contact Details | ||
Name of Company | BHP Western Australia Iron Ore | |
Company Address | PO Box 7122 Cloisters Square Perth WA 6850 | |
General Manager NPI | K. Holling | |
DoH Liaison Officer | N. Morris | |
Customer Enquiries | 1800 421 077 | |
Newman WL53 Operating Area Jan - Mar 2024 | 3 |
Performance Summary
BHP
2 Performance Summary
Water Quality Meeting the Australian Drinking Water Guidelines v3.7 2022
Newman Water Treatment Plant | ||||||||
Number of Samples | Number of Samples | Number of | ||||||
Non-Conformances | ||||||||
Assessed | Within Guidelines | to Guidelines | ||||||
Microbiological | ||||||||
E. coli | 13 | 13 | 0 | |||||
Amoeba (Thermophilic Naegleria) | 13 | 13 | 0 | |||||
Chemical | ||||||||
Chemical - Health | 47 | 47 | 0 | |||||
Chemical - Aesthetic | 31 | 31 | 0 | |||||
Radiological | 0 | 0 | 0 | |||||
Newman Mine Services Industrial Area | ||||||||
Number of Samples | Number of Samples | Number of | ||||||
Non-Conformances | ||||||||
Assessed | Within Guidelines | to Guidelines | ||||||
Microbiological | ||||||||
E. coli | 3 | 3 | 0 | |||||
Amoeba (Thermophilic Naegleria) | 3 | 3 | 0 | |||||
Chemical | ||||||||
Chemical - Health | 3 | 3 | 0 | |||||
Chemical - Aesthetic | 6 | 6 | 0 | |||||
Radiological | 0 | 0 | 0 | |||||
Newman North West Area | ||||||||
Number of Samples | Number of Samples | Number of | ||||||
Non-Conformances | ||||||||
Assessed | Within Guidelines | to Guidelines | ||||||
Microbiological | ||||||||
E. coli | 3 | 3 | 0 | |||||
Amoeba (Thermophilic Naegleria) | 3 | 3 | 0 | |||||
Chemical | ||||||||
Chemical - Health | 3 | 3 | 0 | |||||
Chemical - Aesthetic | 6 | 6 | 0 | |||||
Radiological | 0 | 0 | 0 | |||||
Newman WL53 Operating Area Jan - Mar 2024 | 4 |
Microbial Performance
BHP
3 Microbial Performance
3.1 Microbiological - Compliance Summary
Newman Water Treatment Plant
Compliance | Number of | Number of | Compliance | |||||||||||||
Microbiological Parameter | Compliant | |||||||||||||||
Criteria | samples | % | ||||||||||||||
Samples | ||||||||||||||||
Bacterial | ||||||||||||||||
E. coli | Non-Detect | 13 | 13 | 100 | ||||||||||||
Amoeba | ||||||||||||||||
Thermophilic Naegleria | Non-Detect | 13 | 13 | 100 | ||||||||||||
Newman Mine Services Industrial Area | ||||||||||||||||
Compliance | Number of | Number of | Compliance | |||||||||||||
Microbiological Parameter | Compliant | |||||||||||||||
Criteria | samples | % | ||||||||||||||
Samples | ||||||||||||||||
Bacterial | ||||||||||||||||
E. coli | Non-Detect | 3 | 3 | 100 | ||||||||||||
Amoeba | ||||||||||||||||
Thermophilic Naegleria | Non-Detect | 3 | 3 | 100 | ||||||||||||
Newman North West Area | ||||||||||||||||
Compliance | Number of | Number of | Compliance | |||||||||||||
Microbiological Parameter | Compliant | |||||||||||||||
Criteria | samples | % | ||||||||||||||
Samples | ||||||||||||||||
Bacterial | ||||||||||||||||
E. coli | Non-Detect | 3 | 3 | 100 | ||||||||||||
Amoeba | ||||||||||||||||
Thermophilic Naegleria | Non-Detect | 3 | 3 | 100 | ||||||||||||
Newman WL53 Operating Area Jan - Mar 2024 | 5 |
Microbial Performance
BHP
3.2 Microbiological - Exception Notification
Microbiological Water Quality Exceptions
Population | Date | Microbiological | Alert | Date DoH | Close Out | |||||||||||||||
Locality | Result | |||||||||||||||||||
served | Parameter | Level | Notified | Date | ||||||||||||||||
Notified | ||||||||||||||||||||
3.3 Microbiological - Incident Specific Information
No exception notifications recorded Quarter 1 2024.
Newman WL53 Operating Area Jan - Mar 2024 | 6 |
Chemical - Health Related Performance
BHP
4 Chemical - Health Related Performance
4.1 Chemical - Health Related - Compliance Summary
Newman Water Treatment Plant
ADWG | Number | Number | ||||||||||||||||||
Parameter | Units | Health- | of | of | Compliance | Maximum | ||||||||||||||
Related | Samples | Compliant | % | Value | ||||||||||||||||
Guideline | Assessed | Samples | ||||||||||||||||||
Free Chlorine | mg/L | 5 | 13 | 13 | 100 | 1.4 | ||||||||||||||
Arsenic | mg/L | 0.01 | 3 | 3 | 100 | <0.001 | ||||||||||||||
Benzene | mg/L | 0.001 | 1 | 1 | 100 | <0.0005 | ||||||||||||||
Bromate | mg/L | 0.02 | 1 | 1 | 100 | <0.005 | ||||||||||||||
Cadmium | mg/L | 0.002 | 1 | 1 | 100 | <0.0001 | ||||||||||||||
Chlorite | mg/L | 0.8 | 1 | 1 | 100 | <0.05 | ||||||||||||||
Chromium (as Cr VI) | mg/L | 0.05 | 1 | 1 | 100 | <0.001 | ||||||||||||||
Ethylbenzene | mg/L | 0.3 | 1 | 1 | 100 | <0.0005 | ||||||||||||||
Lead | mg/L | 0.01 | 1 | 1 | 100 | <0.001 | ||||||||||||||
Mercury | mg/L | 0.001 | 1 | 1 | 100 | <0.00005 | ||||||||||||||
Nickel | mg/L | 0.02 | 1 | 1 | 100 | <0.001 | ||||||||||||||
Nitrilotriacetic acid | mg/L | 0.2 | 1 | 1 | 100 | <0.01 | ||||||||||||||
Polycyclic aromatic hydrocarbons | mg/L | 0.00001 | 1 | 1 | 100 | <0.000005 | ||||||||||||||
(Benzo-(a)-pyrene) | ||||||||||||||||||||
Perfluorooctanoic Acid (PFOA) | µg/L | 0.56 | 1 | 1 | 100 | <0.0005 | ||||||||||||||
Sum of Perfluorooctane sulfonate | ||||||||||||||||||||
(PFOS) and Perfluorohexane | µg/L | 0.07 | 1 | 1 | 100 | <0.0002 | ||||||||||||||
sulfonate (PFHxS) | ||||||||||||||||||||
Toluene | mg/L | 0.8 | 1 | 1 | 100 | <0.0005 | ||||||||||||||
Uranium | mg/L | 0.02 | 3 | 3 | 100 | 0.003 | ||||||||||||||
Xylene | mg/L | 0.6 | 1 | 1 | 100 | <0.001 | ||||||||||||||
Newman Water Treatment Plant | ||||||||||||||||||||
ADWG | Number | Number | ||||||||||||||||||
Parameter | Units | Health- | of | of | Compliance | Maximum | ||||||||||||||
Related | Samples | Compliant | % | Value | ||||||||||||||||
Guideline | Assessed | Samples | ||||||||||||||||||
Fluoride | mg/L | 1.5 | 13 | 13 | 100 | 0.8 | ||||||||||||||
Note: As of October 2023, fluoridated water is supplied to Newman WL53 Operating Area. See DoH media release (Fluoridated drinking water in Newman set to combat tooth decay (health.wa.gov.au)).
Newman Mine Services Industrial Area | ||||||||||||||||||||
ADWG | Number | Number | ||||||||||||||||||
Parameter | Units | Health- | of | of | Compliance | Maximum | ||||||||||||||
Related | Samples | Compliant | % | Value | ||||||||||||||||
Guideline | Assessed | Samples | ||||||||||||||||||
Free Chlorine | mg/L | 5 | 3 | 3 | 100 | 1.3 | ||||||||||||||
Newman WL53 Operating Area Jan - Mar 2024 | 7 |
Chemical - Health Related Performance
BHP
Newman North West Area | ||||||||||||||||||||
ADWG | Number | Number | ||||||||||||||||||
Parameter | Units | Health- | of | of | Compliance | Maximum | ||||||||||||||
Related | Samples | Compliant | % | Value | ||||||||||||||||
Guideline | Assessed | Samples | ||||||||||||||||||
Free Chlorine | mg/L | 5 | 3 | 3 | 100 | 1.6 | ||||||||||||||
Note: Chlorine (as Free Chlorine residual) measured by field test instrument.
Chemical Health results other than chlorine for Mine Services Industrial Area and North West Area are represented by Newman Water Treatment Plant data.
Newman WL53 Operating Area Jan - Mar 2024 | 8 |
Chemical - Health Related Performance
BHP
4.2 Chemical - Health Related - Exception Notifications
Health Related Chemical Water Quality Exceptions
Locality
Population
served
Date
Result
Notified
Health Related
Chemical
Characteristic
Alert Level
Date DoH | Close Out |
Notified | Date |
4.3 Chemical - Health Related - Incident Specific Information
No exception notifications recorded Quarter 1 2024.
Newman WL53 Operating Area Jan - Mar 2024 | 9 |
Chemical - Aesthetic Performance
BHP
5 Chemical - Aesthetic Performance
5.1 Chemical - Aesthetic - Compliance Summary
Newman Water Treatment Plant
ADWG | Number of | Number of | ||||||||||||||||||||||||
Aesthetic- | Compliance | Maximum | ||||||||||||||||||||||||
Parameter | Units | Samples | Compliant | |||||||||||||||||||||||
Related | % | Value | ||||||||||||||||||||||||
Assessed | Samples | |||||||||||||||||||||||||
Guideline | ||||||||||||||||||||||||||
pH | 6.5-8.5 | 13 | 13 | 100 | 7.2 | |||||||||||||||||||||
Turbidity | NTU | 5 | 13 | 13 | 100 | 0.1 | ||||||||||||||||||||
Chloride | mg/L | 250 | 1 | 1 | 100 | 75 | ||||||||||||||||||||
Hardness | mg/L | 200 | 1 | 1 | 100 | 140 | ||||||||||||||||||||
(as Calcium carbonate) | ||||||||||||||||||||||||||
Iron | mg/L | 0.3 | 1 | 1 | 100 | <0.005 | ||||||||||||||||||||
Silica | mg/L | 80 | 1 | 1 | 100 | 16 | ||||||||||||||||||||
Total dissolved solids | mg/L | 600 | 1 | 1 | 100 | 310 | ||||||||||||||||||||
Newman Mine Services Industrial Area | ||||||||||||||||||||||||||
ADWG | Number of | Number of | ||||||||||||||||||||||||
Aesthetic- | Compliance | Maximum | ||||||||||||||||||||||||
Parameter | Units | Samples | Compliant | |||||||||||||||||||||||
Related | % | Value | ||||||||||||||||||||||||
Assessed | Samples | |||||||||||||||||||||||||
Guideline | ||||||||||||||||||||||||||
pH | 6.5 - 8.5 | 3 | 3 | 100 | 7.4 | |||||||||||||||||||||
Turbidity | NTU | 5 | 3 | 3 | 100 | 0.2 | ||||||||||||||||||||
Newman North West Area | ||||||||||||||||||||||||||
ADWG | Number of | Number of | ||||||||||||||||||||||||
Aesthetic- | Compliance | Maximum | ||||||||||||||||||||||||
Parameter | Units | Samples | Compliant | |||||||||||||||||||||||
Related | % | Value | ||||||||||||||||||||||||
Assessed | Samples | |||||||||||||||||||||||||
Guideline | ||||||||||||||||||||||||||
pH | 6.5 - 8.5 | 3 | 3 | 100 | 7.2 | |||||||||||||||||||||
Turbidity | NTU | 5 | 3 | 3 | 100 | <0.1 | ||||||||||||||||||||
Note: pH and Turbidity measured by field test instrument.
Chemical Aesthetic results other than pH and turbidity for Mine Services Industrial Area and North West Area are represented by Newman Water Treatment Plant data.
To ensure effective disinfection and maintain microbial safety of drinking water throughout the system, BHPIO has made an operating decision to maintain chlorine levels above the ADWG aesthetic guideline value of 0.6 milligrams per litre.
Newman WL53 Operating Area Jan - Mar 2024 | 10 |
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Disclaimer
BHP Group Limited published this content on 09 May 2024 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 09 May 2024 05:22:03 UTC.