Wellers Hill Reservoirs
Wellers Hill Reservoirs - BrisbaneFebruary 2024 - 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 | 0.17 | 0.47 | 0.81 | 4 | 0 | |
| Free Chlorine - Field | mg/L | <= 5 | 3 | <0.1 | <0.1 | <0.1 | 3 | 0 | |
| Total Chlorine - Field | mg/L | <= 5 | 3 | 2.9 | 3.1 | 3.3 | 3 | 0 | |
| Disinfection by product | |||||||||
| Chlorate | mg/L | <= 0.8 | 4 | 0.100 | 0.130 | 0.190 | 4 | 0 | |
| Haloacetic acids | |||||||||
| Chloroacetic acid | µg/L | <= 150 | 1 | 4.0 | 4.0 | 4.0 | 1 | 0 | |
| Dichloroacetic acid | µg/L | <= 100 | 1 | 32.0 | 32.0 | 32.0 | 1 | 0 | |
| Trichloroacetic acid | µg/L | <= 100 | 1 | 27.0 | 27.0 | 27.0 | 1 | 0 | |
| Metals | |||||||||
| 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 | <= 0.01 | 1 | <0.001 | <0.001 | <0.001 | 1 | 0 | |
| Manganese | mg/L | <= 0.5 | 4 | 0.007 | 0.014 | 0.021 | 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 | <= 50 | 1 | 0.250 | 0.250 | 0.250 | 1 | 0 | |
| Nitrite | mg/L | <= 3 | 1 | <0.002 | <0.002 | <0.002 | 1 | 0 | |
| Trihalomethanes | |||||||||
| Trihalomethanes | µg/L | <= 250 | 1 | 120.0 | 120.0 | 120.0 | 1 | 0 | |
| Aesthetic Parameters | |||||||||
| Major Cations & Anions | |||||||||
| Chloride | mg/L | <= 250 | 1 | 51.0 | 51.0 | 51.0 | 1 | 0 | |
| Hardness | mg/L | <= 200 | 1 | 90.0 | 90.0 | 90.0 | 1 | 0 | |
| Sodium | mg/L | <= 180 | 1 | 77.0 | 77.0 | 77.0 | 1 | 0 | |
| Sulphate | mg/L | <= 250 | 1 | 120.0 | 120.0 | 120.0 | 1 | 0 | |
| Metals | |||||||||
| Aluminium | mg/L | N/A | 1 | 0.060 | 0.060 | 0.060 | N/A | N/A | |
| 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 | <= 0.1 | 4 | 0.007 | 0.014 | 0.021 | 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 | 3 | 7.8 | 7.9 | 8.0 | 3 | 0 | |
| Total Dissolved Solids | mg/L | <= 600 | 1 | 260.0 | 260.0 | 260.0 | 1 | 0 | |
| True Colour | HU | <= 15 | 4 | <1.0 | <1.0 | 2.0 | 4 | 0 | |
| Turbidity | NTU | <= 5 | 4 | 0.2 | 0.4 | 0.6 | 4 | 0 | |
| Other Parameters | |||||||||
| Major Cations & Anions | |||||||||
| Potassium | mg/L | N/A | 1 | 5.0 | 5.0 | 5.0 | N/A | N/A | |
| Physical Properties | |||||||||
| Alkalinity Total | mg/L | N/A | 1 | 77.0 | 77.0 | 77.0 | N/A | N/A | |
| Conductivity - Field | µS/cm | N/A | 3 | 500.0 | 546.7 | 600.0 | N/A | N/A | |
| Temperature - Field | °C | N/A | 3 | 28.5 | 28.9 | 29.7 | N/A | N/A | |
Wellers Hill Reservoirs - Brisbane
February 2024 - 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:0.17Average:0.47Maximum:0.81Number that passed:4Number that failed:0
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Free Chlorine - FieldUnit of measure:mg/LADWG criteria:<= 5Number of samples:3Minimum:<0.1Average:<0.1Maximum:<0.1Number that passed:3Number that failed:0
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Total Chlorine - FieldUnit of measure:mg/LADWG criteria:<= 5Number of samples:3Minimum:2.9Average:3.1Maximum:3.3Number that passed:3Number that failed:0
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ChlorateUnit of measure:mg/LADWG criteria:<= 0.8Number of samples:4Minimum:0.100Average:0.130Maximum:0.190Number that passed:4Number that failed:0
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Chloroacetic acidUnit of measure:µg/LADWG criteria:<= 150Number of samples:1Minimum:4.0Average:4.0Maximum:4.0Number that passed:1Number that failed:0
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Dichloroacetic acidUnit of measure:µg/LADWG criteria:<= 100Number of samples:1Minimum:32.0Average:32.0Maximum:32.0Number that passed:1Number that failed:0
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Trichloroacetic acidUnit of measure:µg/LADWG criteria:<= 100Number of samples:1Minimum:27.0Average:27.0Maximum:27.0Number 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:<= 0.01Number 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:<= 0.5Number of samples:4Minimum:0.007Average:0.014Maximum:0.021Number 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:<= 50Number of samples:1Minimum:0.250Average:0.250Maximum:0.250Number that passed:1Number that failed:0
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NitriteUnit of measure:mg/LADWG criteria:<= 3Number of samples:1Minimum:<0.002Average:<0.002Maximum:<0.002Number that passed:1Number that failed:0
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TrihalomethanesUnit of measure:µg/LADWG criteria:<= 250Number of samples:1Minimum:120.0Average:120.0Maximum:120.0Number that passed:1Number that failed:0
Aesthetic Parameters
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ChlorideUnit of measure:mg/LADWG criteria:<= 250Number of samples:1Minimum:51.0Average:51.0Maximum:51.0Number that passed:1Number that failed:0
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HardnessUnit of measure:mg/LADWG criteria:<= 200Number of samples:1Minimum:90.0Average:90.0Maximum:90.0Number that passed:1Number that failed:0
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SodiumUnit of measure:mg/LADWG criteria:<= 180Number of samples:1Minimum:77.0Average:77.0Maximum:77.0Number that passed:1Number that failed:0
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SulphateUnit of measure:mg/LADWG criteria:<= 250Number of samples:1Minimum:120.0Average:120.0Maximum:120.0Number that passed:1Number that failed:0
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AluminiumUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:0.060Average:0.060Maximum:0.060Number that passed:N/ANumber that failed:N/A
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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:<= 0.1Number of samples:4Minimum:0.007Average:0.014Maximum:0.021Number 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:3Minimum:7.8Average:7.9Maximum:8.0Number that passed:3Number that failed:0
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Total Dissolved SolidsUnit of measure:mg/LADWG criteria:<= 600Number of samples:1Minimum:260.0Average:260.0Maximum:260.0Number 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:0.2Average:0.4Maximum:0.6Number that passed:4Number that failed:0
Other Parameters
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PotassiumUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:5.0Average:5.0Maximum:5.0Number that passed:N/ANumber that failed:N/A
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Alkalinity TotalUnit of measure:mg/LADWG criteria:N/ANumber of samples:1Minimum:77.0Average:77.0Maximum:77.0Number that passed:N/ANumber that failed:N/A
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Conductivity - FieldUnit of measure:µS/cmADWG criteria:N/ANumber of samples:3Minimum:500.0Average:546.7Maximum:600.0Number that passed:N/ANumber that failed:N/A
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Temperature - FieldUnit of measure:°CADWG criteria:N/ANumber of samples:3Minimum:28.5Average:28.9Maximum:29.7Number that passed:N/ANumber that failed:N/A