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Observation archive · October 2026
One free map per waterbody, per available date. Other maps: HK$9.90 each.
Coordinates · Scale · Legend
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MAP CATALOGUE
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| Map product | Observation date | Access |
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About these observations
These are archived, satellite-derived result images from October 2026. Each full sheet includes its original geographic context and legend. A map alone is not a laboratory test or a complete water safety assessment.
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One map means one waterbody, one observation date and one product. No subscription required.
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