TABLE 4.19 Annual Average of Dissolved Oxygen (DO) and Biological Oxygen Demand (BOD) Concentration in the National Capital Region Rivers: 2011 to 2017
Source updated20 Jul 2026
Our snapshot updated8 Sept 2026
Possible data points70
Authoritative sourceView on PSA OpenSTAT ↗
Source: Philippine Statistics Authority · Local coverage checked 2 Oct 2026. A complete mirror may include missing observations. Verify definitions and notes at the official source.
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Dataset structure & provenance
Source path: 3S/C4/0193A2BDBR0.px
Release: 2026-07-20T14-18-18-83d2eb71d4e4
Observation source dates: Not inspected for this view
Original schema status: complete. Statistical definitions have not been independently reviewed.
- River — 5 source selections
- mg/l — 2 source selections
- Year — 7 source selections