Wellers Hill Reservoirs
Wellers Hill Reservoirs - BrisbaneFebruary 2026 - Site Performance |
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| Parameter | Unit of measure | ADWG criteria | Number of samples | Minimum | Average | Maximum | Number that passed | Number that failed | |
| Health Parameters (note that copper and manganese have both health and aesthetic guideline values) | |||||||||
| Chemicals | |||||||||
| Fluoride | mg/L | <= 1.5 | 4 | 0.51 | 0.63 | 0.83 | 4 | 0 | |
| Monochloramine - Field | mg/L | <= 5 | 4 | 2.3 | 2.5 | 2.6 | 4 | 0 | |
| Total Chlorine - Field | mg/L | <= 5 | 4 | 2.4 | 2.6 | 2.7 | 4 | 0 | |
| Disinfection by product | |||||||||
| Chlorate | mg/L | <= 0.8 | 4 | <0.005 | 0.057 | 0.082 | 4 | 0 | |
| Haloacetic acids | |||||||||
| Chloroacetic acid | µg/L | <= 150 | 1 | <1.0 | <1.0 | <1.0 | 1 | 0 | |
| Dichloroacetic acid | µg/L | <= 100 | 1 | 12.0 | 12.0 | 12.0 | 1 | 0 | |
| Trichloroacetic acid | µg/L | <= 100 | 1 | 8.0 | 8.0 | 8.0 | 1 | 0 | |
| Metals | |||||||||
| Boron | mg/L | <= 4 | 1 | <0.03 | <0.03 | <0.03 | 1 | 0 | |
| Cadmium | mg/L | <= 0.002 | 1 | <0.0001 | <0.0001 | <0.0001 | 1 | 0 | |
| Chromium | mg/L | <= 0.05 | 1 | <0.001 | <0.001 | <0.001 | 1 | 0 | |
| Copper | mg/L | <= 2 | 1 | <0.001 | <0.001 | <0.001 | 1 | 0 | |
| Lead | mg/L | <= 0.005 | 1 | <0.001 | <0.001 | <0.001 | 1 | 0 | |
| Manganese | mg/L | <= 0.1 | 4 | 0.002 | 0.003 | 0.003 | 4 | 0 | |
| Nickel | mg/L | <= 0.02 | 1 | <0.001 | <0.001 | <0.001 | 1 | 0 | |
| Microbiological | |||||||||
| E.coli MF | CFU/100mL | < 1 | 4 | <1.0 | <1.0 | <1.0 | 4 | 0 | |
| Nutrients | |||||||||
| Nitrate | mg/L | <= 11.3 | 1 | 0.011 | 0.011 | 0.011 | 1 | 0 | |
| Nitrite | mg/L | <= 0.9 | 1 | 0.004 | 0.004 | 0.004 | 1 | 0 | |
| Trihalomethanes | |||||||||
| Trihalomethanes | µg/L | <= 250 | 1 | 111.0 | 111.0 | 111.0 | 1 | 0 | |
| Aesthetic Parameters | |||||||||
| Major Cations & Anions | |||||||||
| Chloride | mg/L | <= 250 | 1 | 96.0 | 96.0 | 96.0 | 1 | 0 | |
| Hardness | mg/L | <= 200 | 1 | 130.0 | 130.0 | 130.0 | 1 | 0 | |
| Sodium | mg/L | <= 180 | 1 | 45.0 | 45.0 | 45.0 | 1 | 0 | |
| Sulphate | mg/L | <= 250 | 1 | 41.0 | 41.0 | 41.0 | 1 | 0 | |
| Metals | |||||||||
| Aluminium | mg/L | <= 0.2 | 1 | 0.067 | 0.067 | 0.067 | 1 | 0 | |
| Copper | mg/L | <= 1 | 1 | <0.001 | <0.001 | <0.001 | 1 | 0 | |
| Iron | mg/L | <= 0.3 | 4 | <0.01 | 0.01 | 0.02 | 4 | 0 | |
| Manganese | mg/L | <= 0.05 | 4 | 0.002 | 0.003 | 0.003 | 4 | 0 | |
| Zinc | mg/L | <= 3 | 1 | <0.005 | <0.005 | <0.005 | 1 | 0 | |
| Physical Properties | |||||||||
| pH - Field | pH Unit | 6.5 - 8.5 | 4 | 7.8 | 7.9 | 8.0 | 4 | 0 | |
| Total Dissolved Solids | mg/L | <= 600 | 1 | 360.0 | 360.0 | 360.0 | 1 | 0 | |
| True Colour | HU | <= 15 | 4 | <1.0 | 1.3 | 2.0 | 4 | 0 | |
| Turbidity | NTU | <= 5 | 4 | 0.2 | 0.4 | 0.8 | 4 | 0 | |
| Other Parameters | |||||||||
| Major Cations & Anions | |||||||||
| Calcium | mg/L | N/A | 1 | 25.0 | 25.0 | 25.0 | N/A | N/A | |
| Magnesium | mg/L | N/A | 1 | 15.00 | 15.00 | 15.00 | N/A | N/A | |
| Potassium | mg/L | N/A | 1 | 3.0 | 3.0 | 3.0 | N/A | N/A | |
| Physical Properties | |||||||||
| Alkalinity Total | mg/L | N/A | 1 | 90.0 | 90.0 | 90.0 | N/A | N/A | |
| Conductivity - Field | µS/cm | N/A | 4 | 441.0 | 491.8 | 556.0 | N/A | N/A | |
| Temperature - Field | °C | N/A | 4 | 27.8 | 28.5 | 29.0 | N/A | N/A | |
Wellers Hill Reservoirs - Brisbane
February 2026 - Site Performance
Health Parameters (note that copper and manganese have both health and aesthetic guideline values)
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FluorideUnit of measure:mg/LADWG criteria:<= 1.5Number of samples:4Minimum:0.51Average:0.63Maximum:0.83Number that passed:4Number that failed:0
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Monochloramine - FieldUnit of measure:mg/LADWG criteria:<= 5Number of samples:4Minimum:2.3Average:2.5Maximum:2.6Number that passed:4Number that failed:0
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Total Chlorine - FieldUnit of measure:mg/LADWG criteria:<= 5Number of samples:4Minimum:2.4Average:2.6Maximum:2.7Number that passed:4Number that failed:0
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ChlorateUnit of measure:mg/LADWG criteria:<= 0.8Number of samples:4Minimum:<0.005Average:0.057Maximum:0.082Number that passed:4Number that failed:0
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Chloroacetic acidUnit of measure:µg/LADWG criteria:<= 150Number of samples:1Minimum:<1.0Average:<1.0Maximum:<1.0Number that passed:1Number that failed:0
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Dichloroacetic acidUnit of measure:µg/LADWG criteria:<= 100Number of samples:1Minimum:12.0Average:12.0Maximum:12.0Number that passed:1Number that failed:0
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Trichloroacetic acidUnit of measure:µg/LADWG criteria:<= 100Number of samples:1Minimum:8.0Average:8.0Maximum:8.0Number that passed:1Number that failed:0
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BoronUnit of measure:mg/LADWG criteria:<= 4Number of samples:1Minimum:<0.03Average:<0.03Maximum:<0.03Number that passed:1Number that failed:0
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CadmiumUnit of measure:mg/LADWG criteria:<= 0.002Number of samples:1Minimum:<0.0001Average:<0.0001Maximum:<0.0001Number that passed:1Number that failed:0
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ChromiumUnit of measure:mg/LADWG criteria:<= 0.05Number of samples:1Minimum:<0.001Average:<0.001Maximum:<0.001Number that passed:1Number that failed:0
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CopperUnit of measure:mg/LADWG criteria:<= 2Number of samples:1Minimum:<0.001Average:<0.001Maximum:<0.001Number that passed:1Number that failed:0
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LeadUnit of measure:mg/LADWG criteria:<= 0.005Number of samples:1Minimum:<0.001Average:<0.001Maximum:<0.001Number that passed:1Number that failed:0
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ManganeseUnit of measure:mg/LADWG criteria:<= 0.1Number of samples:4Minimum:0.002Average:0.003Maximum:0.003Number that passed:4Number that failed:0
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NickelUnit of measure:mg/LADWG criteria:<= 0.02Number of samples:1Minimum:<0.001Average:<0.001Maximum:<0.001Number that passed:1Number that failed:0
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E.coli MFUnit of measure:CFU/100mLADWG criteria:< 1Number of samples:4Minimum:<1.0Average:<1.0Maximum:<1.0Number that passed:4Number that failed:0
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NitrateUnit of measure:mg/LADWG criteria:<= 11.3Number of samples:1Minimum:0.011Average:0.011Maximum:0.011Number that passed:1Number that failed:0
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NitriteUnit of measure:mg/LADWG criteria:<= 0.9Number of samples:1Minimum:0.004Average:0.004Maximum:0.004Number that passed:1Number that failed:0
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TrihalomethanesUnit of measure:µg/LADWG criteria:<= 250Number of samples:1Minimum:111.0Average:111.0Maximum:111.0Number that passed:1Number that failed:0
Aesthetic Parameters
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ChlorideUnit of measure:mg/LADWG criteria:<= 250Number of samples:1Minimum:96.0Average:96.0Maximum:96.0Number that passed:1Number that failed:0
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HardnessUnit of measure:mg/LADWG criteria:<= 200Number of samples:1Minimum:130.0Average:130.0Maximum:130.0Number that passed:1Number that failed:0
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SodiumUnit of measure:mg/LADWG criteria:<= 180Number of samples:1Minimum:45.0Average:45.0Maximum:45.0Number that passed:1Number that failed:0
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SulphateUnit of measure:mg/LADWG criteria:<= 250Number of samples:1Minimum:41.0Average:41.0Maximum:41.0Number that passed:1Number that failed:0
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AluminiumUnit of measure:mg/LADWG criteria:<= 0.2Number of samples:1Minimum:0.067Average:0.067Maximum:0.067Number that passed:1Number that failed:0
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CopperUnit of measure:mg/LADWG criteria:<= 1Number of samples:1Minimum:<0.001Average:<0.001Maximum:<0.001Number that passed:1Number that failed:0
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IronUnit of measure:mg/LADWG criteria:<= 0.3Number of samples:4Minimum:<0.01Average:0.01Maximum:0.02Number that passed:4Number that failed:0
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ManganeseUnit of measure:mg/LADWG criteria:<= 0.05Number of samples:4Minimum:0.002Average:0.003Maximum:0.003Number that passed:4Number that failed:0
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ZincUnit of measure:mg/LADWG criteria:<= 3Number of samples:1Minimum:<0.005Average:<0.005Maximum:<0.005Number that passed:1Number that failed:0
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pH - FieldUnit of measure:pH UnitADWG criteria:6.5 - 8.5Number of samples:4Minimum:7.8Average:7.9Maximum:8.0Number that passed:4Number that failed:0
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Total Dissolved SolidsUnit of measure:mg/LADWG criteria:<= 600Number of samples:1Minimum:360.0Average:360.0Maximum:360.0Number that passed:1Number that failed:0
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True ColourUnit of measure:HUADWG criteria:<= 15Number of samples:4Minimum:<1.0Average:1.3Maximum:2.0Number that passed:4Number that failed:0
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TurbidityUnit of measure:NTUADWG criteria:<= 5Number of samples:4Minimum:0.2Average:0.4Maximum:0.8Number that passed:4Number that failed:0
Other Parameters
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CalciumUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:25.0Average:25.0Maximum:25.0Number that passed:N/ANumber that failed:N/A
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MagnesiumUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:15.00Average:15.00Maximum:15.00Number that passed:N/ANumber that failed:N/A
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PotassiumUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:3.0Average:3.0Maximum:3.0Number that passed:N/ANumber that failed:N/A
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Alkalinity TotalUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:90.0Average:90.0Maximum:90.0Number that passed:N/ANumber that failed:N/A
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Conductivity - FieldUnit of measure:µS/cmADWG criteria:N/ANumber of samples:4Minimum:441.0Average:491.8Maximum:556.0Number that passed:N/ANumber that failed:N/A
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Temperature - FieldUnit of measure:°CADWG criteria:N/ANumber of samples:4Minimum:27.8Average:28.5Maximum:29.0Number that passed:N/ANumber that failed:N/A