Result of drinking water quality - IAM Laboratory Information

Macao
Islands District

Ilha Verde treated water
22.211228, 113.540172
file?p=lab/generalimage/636662069398019.jpg
<table class="table table-striped table-sm"><thead><tr><th>Latest 3 test dates</th><th>20/09/2021</th><th>19/09/2021</th><th>18/09/2021</th><th>Limit</th></tr></thead><tbody><tr><td>Free chlorine(mg/L)</td><td>0.77</td><td>0.88</td><td>0.67</td><td>-</td></tr><tr><td>pH Value(pH)</td><td>7.8</td><td>7.8</td><td>7.3</td><td>6.5-9.5</td></tr><tr><td>Total coliform(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td><tr><td>Escherichia coli(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td></tr><tr><td>Remarks</td><td></td><td></td><td></td><td></td></tr></tbody></table></br></br></br></br></br>
水廠
22.198057429, 113.54611755
MSR I treated water
22.203890, 113.557713
file?p=lab/generalimage/637514961350971.jpg
<table class="table table-striped table-sm"><thead><tr><th>Latest 3 test dates</th><th>20/09/2021</th><th>19/09/2021</th><th>18/09/2021</th><th>Limit</th></tr></thead><tbody><tr><td>Free chlorine(mg/L)</td><td>0.85</td><td>0.90</td><td>0.79</td><td>-</td></tr><tr><td>pH Value(pH)</td><td>7.8</td><td>8.0</td><td>7.3</td><td>6.5-9.5</td></tr><tr><td>Total coliform(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td><tr><td>Escherichia coli(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td></tr><tr><td>Remarks</td><td></td><td></td><td></td><td></td></tr></tbody></table></br></br></br></br></br>
水廠
22.198057429, 113.54611755
UF MSR treated water
22.204322, 113.558938
file?p=lab/generalimage/636662070371518.jpg
<table class="table table-striped table-sm"><thead><tr><th>Latest 3 test dates</th><th>20/09/2021</th><th>19/09/2021</th><th>18/09/2021</th><th>Limit</th></tr></thead><tbody><tr><td>Free chlorine(mg/L)</td><td>0.86</td><td>0.84</td><td>0.89</td><td>-</td></tr><tr><td>pH Value(pH)</td><td>8.1</td><td>8.0</td><td>7.8</td><td>6.5-9.5</td></tr><tr><td>Total coliform(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td><tr><td>Escherichia coli(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td></tr><tr><td>Remarks</td><td></td><td></td><td></td><td></td></tr></tbody></table></br></br></br></br></br>
水廠
22.198057429, 113.54611755
Wallace Fountain at Jardim de S. Franciso
22.192605, 113.543825
file?p=lab/generalimage/636662091021289.jpg
<table class="table table-striped table-sm"><thead><tr><th>Latest 3 test dates</th><th>19/09/2021</th><th>17/09/2021</th><th>15/09/2021</th><th>Limit</th></tr></thead><tbody><tr><td>Free chlorine(mg/L)</td><td>0.58</td><td>0.49</td><td>0.56</td><td>-</td></tr><tr><td>pH Value(pH)</td><td>8.1</td><td>8.0</td><td>8.0</td><td>6.5-9.5</td></tr><tr><td>Total coliform(/100mL)</td><td></td><td>Not detected</td><td>Not detected</td><td><1</td><tr><td>Escherichia coli(/100mL)</td><td></td><td>Not detected</td><td>Not detected</td><td><1</td></tr><tr><td>Remarks</td><td></td><td></td><td></td><td></td></tr></tbody></table></br></br></br></br></br>
和麗女神噴泉
22.198057429, 113.54611755

Coloane treated water
22.129345, 113.571218
file?p=lab/generalimage/636662070926709.JPG
<table class="table table-striped table-sm"><thead><tr><th>Latest 3 test dates</th><th>20/09/2021</th><th>19/09/2021</th><th>18/09/2021</th><th>Limit</th></tr></thead><tbody><tr><td>Free chlorine(mg/L)</td><td>0.87</td><td>0.89</td><td>0.92</td><td>-</td></tr><tr><td>pH Value(pH)</td><td>7.3</td><td>8.1</td><td>7.7</td><td>6.5-9.5</td></tr><tr><td>Total coliform(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td><tr><td>Escherichia coli(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td></tr><tr><td>Remarks</td><td></td><td></td><td></td><td></td></tr></tbody></table></br></br></br></br></br>
水廠
22.139410, 113.563297
SEAC PAI VAN Water Treatment Plant Treated Water
22.13248, 113.56656
file?p=lab/generalimage/637514954241420.jpg
<table class="table table-striped table-sm"><thead><tr><th>Latest 3 test dates</th><th>20/09/2021</th><th>19/09/2021</th><th>18/09/2021</th><th>Limit</th></tr></thead><tbody><tr><td>Free chlorine(mg/L)</td><td>0.89</td><td>0.88</td><td>0.92</td><td>-</td></tr><tr><td>pH Value(pH)</td><td>7.3</td><td>8.1</td><td>7.6</td><td>6.5-9.5</td></tr><tr><td>Total coliform(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td><tr><td>Escherichia coli(/100mL)</td><td></td><td></td><td>Not detected</td><td><1</td></tr><tr><td>Remarks</td><td></td><td></td><td></td><td></td></tr></tbody></table></br></br></br></br></br>
水廠
22.139410, 113.563297
Wallace Fountain at Largo Governador Tamagnini Barbosa in Taipa
22.152269,113.555120
file?p=lab/generalimage/636662091707423.jpg
<table class="table table-striped table-sm"><thead><tr><th>Latest 3 test dates</th><th>18/09/2021</th><th>17/09/2021</th><th>15/09/2021</th><th>Limit</th></tr></thead><tbody><tr><td>Free chlorine(mg/L)</td><td>0.68</td><td>0.72</td><td>0.53</td><td>-</td></tr><tr><td>pH Value(pH)</td><td>7.7</td><td>8.0</td><td>7.8</td><td>6.5-9.5</td></tr><tr><td>Total coliform(/100mL)</td><td>Not detected</td><td>Not detected</td><td>Not detected</td><td><1</td><tr><td>Escherichia coli(/100mL)</td><td>Not detected</td><td>Not detected</td><td>Not detected</td><td><1</td></tr><tr><td>Remarks</td><td></td><td></td><td></td><td></td></tr></tbody></table></br></br></br></br></br>
和麗女神噴泉
22.139410, 113.563297

Remarks : Limit according to "Regulations on Water Supply and Drainage in Macao”.
*Limit on chloride in reference to Directive (EU) 2020/2184

Previous water quality monitoring data is available in DSEC “Environmental Statistics”