Wellers Hill Reservoirs
Wellers Hill Reservoirs - BrisbaneSeptember 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 | 0.11 | 0.56 | 0.78 | 4 | 0 | |
| Monochloramine - Field | mg/L | <= 5 | 4 | 2.7 | 2.8 | 2.8 | 4 | 0 | |
| Total Chlorine - Field | mg/L | <= 5 | 4 | 2.5 | 2.6 | 2.6 | 4 | 0 | |
| Disinfection by product | |||||||||
| Chlorate | mg/L | <= 0.8 | 4 | 0.018 | 0.037 | 0.069 | 4 | 0 | |
| Metals | |||||||||
| Boron | mg/L | <= 4 | 1 | 0.04 | 0.04 | 0.04 | 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 | 0.005 | 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 | 0.017 | 0.017 | 0.017 | 1 | 0 | |
| Nitrite | mg/L | <= 0.9 | 1 | 0.009 | 0.009 | 0.009 | 1 | 0 | |
| Trihalomethanes | |||||||||
| Trihalomethanes | µg/L | <= 250 | 1 | 92.0 | 92.0 | 92.0 | 1 | 0 | |
| Aesthetic Parameters | |||||||||
| Major Cations & Anions | |||||||||
| Chloride | mg/L | <= 250 | 1 | 80.0 | 80.0 | 80.0 | 1 | 0 | |
| Hardness | mg/L | <= 200 | 1 | 120.0 | 120.0 | 120.0 | 1 | 0 | |
| Sodium | mg/L | <= 180 | 1 | 37.0 | 37.0 | 37.0 | 1 | 0 | |
| Sulphate | mg/L | <= 250 | 1 | 29.0 | 29.0 | 29.0 | 1 | 0 | |
| Metals | |||||||||
| Aluminium | mg/L | <= 0.2 | 1 | 0.034 | 0.034 | 0.034 | 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 | 0.01 | 4 | 0 | |
| Manganese | mg/L | <= 0.05 | 4 | 0.002 | 0.003 | 0.005 | 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 | 8.0 | 8.2 | 8.3 | 4 | 0 | |
| Total Dissolved Solids | mg/L | <= 600 | 1 | 210.0 | 210.0 | 210.0 | 1 | 0 | |
| True Colour | HU | <= 15 | 4 | <1.0 | 1.0 | 2.0 | 4 | 0 | |
| Turbidity | NTU | <= 5 | 4 | 0.3 | 0.4 | 0.6 | 4 | 0 | |
| Other Parameters | |||||||||
| Major Cations & Anions | |||||||||
| Calcium | mg/L | N/A | 1 | 26.0 | 26.0 | 26.0 | N/A | N/A | |
| Magnesium | mg/L | N/A | 1 | 13.00 | 13.00 | 13.00 | 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 | 79.0 | 79.0 | 79.0 | N/A | N/A | |
| Conductivity - Field | µS/cm | N/A | 4 | 439.0 | 451.3 | 462.0 | N/A | N/A | |
| Temperature - Field | °C | N/A | 4 | 21.0 | 21.8 | 22.5 | N/A | N/A | |
Wellers Hill Reservoirs - Brisbane
September 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:0.11Average:0.56Maximum:0.78Number that passed:4Number that failed:0
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Monochloramine - FieldUnit of measure:mg/LADWG criteria:<= 5Number of samples:4Minimum:2.7Average:2.8Maximum:2.8Number that passed:4Number that failed:0
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Total Chlorine - FieldUnit of measure:mg/LADWG criteria:<= 5Number of samples:4Minimum:2.5Average:2.6Maximum:2.6Number that passed:4Number that failed:0
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ChlorateUnit of measure:mg/LADWG criteria:<= 0.8Number of samples:4Minimum:0.018Average:0.037Maximum:0.069Number that passed:4Number that failed:0
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BoronUnit of measure:mg/LADWG criteria:<= 4Number of samples:1Minimum:0.04Average:0.04Maximum:0.04Number 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:0.005Number 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:0.017Average:0.017Maximum:0.017Number that passed:1Number that failed:0
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NitriteUnit of measure:mg/LADWG criteria:<= 0.9Number of samples:1Minimum:0.009Average:0.009Maximum:0.009Number that passed:1Number that failed:0
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TrihalomethanesUnit of measure:µg/LADWG criteria:<= 250Number of samples:1Minimum:92.0Average:92.0Maximum:92.0Number that passed:1Number that failed:0
Aesthetic Parameters
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ChlorideUnit of measure:mg/LADWG criteria:<= 250Number of samples:1Minimum:80.0Average:80.0Maximum:80.0Number that passed:1Number that failed:0
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HardnessUnit of measure:mg/LADWG criteria:<= 200Number of samples:1Minimum:120.0Average:120.0Maximum:120.0Number that passed:1Number that failed:0
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SodiumUnit of measure:mg/LADWG criteria:<= 180Number of samples:1Minimum:37.0Average:37.0Maximum:37.0Number that passed:1Number that failed:0
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SulphateUnit of measure:mg/LADWG criteria:<= 250Number of samples:1Minimum:29.0Average:29.0Maximum:29.0Number that passed:1Number that failed:0
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AluminiumUnit of measure:mg/LADWG criteria:<= 0.2Number of samples:1Minimum:0.034Average:0.034Maximum:0.034Number 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:0.01Number 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:0.005Number 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:8.0Average:8.2Maximum:8.3Number that passed:4Number that failed:0
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Total Dissolved SolidsUnit of measure:mg/LADWG criteria:<= 600Number of samples:1Minimum:210.0Average:210.0Maximum:210.0Number that passed:1Number that failed:0
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True ColourUnit of measure:HUADWG criteria:<= 15Number of samples:4Minimum:<1.0Average:1.0Maximum:2.0Number that passed:4Number that failed:0
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TurbidityUnit of measure:NTUADWG criteria:<= 5Number of samples:4Minimum:0.3Average:0.4Maximum:0.6Number that passed:4Number that failed:0
Other Parameters
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CalciumUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:26.0Average:26.0Maximum:26.0Number that passed:N/ANumber that failed:N/A
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MagnesiumUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:13.00Average:13.00Maximum:13.00Number 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:79.0Average:79.0Maximum:79.0Number that passed:N/ANumber that failed:N/A
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Conductivity - FieldUnit of measure:µS/cmADWG criteria:N/ANumber of samples:4Minimum:439.0Average:451.3Maximum:462.0Number that passed:N/ANumber that failed:N/A
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Temperature - FieldUnit of measure:°CADWG criteria:N/ANumber of samples:4Minimum:21.0Average:21.8Maximum:22.5Number that passed:N/ANumber that failed:N/A