Permanent project revision

Pasig River: Court-Ordered Water Quality Monitoring

Revision 2026-08-20-source-dates · effective 2026-07-26

Current revision. This is the snapshot used by the live entity page.

unreviewed

Created the first structured Evidence Passport with 1 claim and 4 source dossiers.

sha256:0783161665f90f1d8597410f71621e854b23a15faa66849a1361501f00bd3d8a

Change set

  • add /evidencePassport — Added claim-level evidence mapping and source dossiers.
  • add /revisionHistory — Established a permanent, hash-addressed baseline revision.
1
of 1 claims mapped
4
source dossiers
4
publication dates recorded
1
archives linked
0
exact locators
0
content captures hashed

Claims, one by one

The text below is copied verbatim from the published record. Each claim names the source dossiers that carry it; caveats stay attached to the claim they qualify.

Claim 1 clm-73d8b2f4a780dcf8 quantitative
A 2025 peer-reviewed source-tracking study, sampling alongside the environment bureau and the river office between December 2021 and May 2023, found sewage to be the dominant source of fecal pollution at both Pasig River stations: 38% of the downstream signal and 22% upstream, with animal sources under 1%.
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The snippet notes researchers trace most of the river's fecal load to raw sewage.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Frontiers in Water — source-tracking of fecal pollution in Manila Bay and its tributaries (2025)

Source dossiers and revision state

This layer records what is known about each source, what is still missing, and the exact snapshot this page is rendering. A missing date, archive or hash stays visible as missing.

unreviewed Revision 2026-08-20-source-dates effective 2026-07-26 · created 2026-08-20

Awaiting operator and domain-expert review; publication of this revision implies neither.

sha256:0783161665f90f1d8597410f71621e854b23a15faa66849a1361501f00bd3d8a
1
of 1 claims mapped
4
source dossiers
4
publication dates recorded
1
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
Environmental Management Bureau of the environment department, with the Pasig River Coordinating and Management Office
Actor types
national-government
Funding model
public
Funding description
Not recorded
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

4 source dossiers

Supreme Court of the Philippines — MMDA v. Concerned Residents of Manila Bay (2008) lawphil.net · background

Open original source ↗

Stable source ID
src-a949a103fa0866a6
Publisher
Name not classified · lawphil.net
Type / language
web-page · language not classified
Published
2008-12-18
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Primary. The 18 December 2008 continuing mandamus orders the environment department as lead, plus eleven other agencies, to restore Manila Bay and its tributaries to swimmable quality, sets the 200 MPN per 100 mL fecal coliform bar for contact recreation, and requires each agency head to submit a quarterly progressive report to the court.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
PeerJ — a reaction-based water quality model of total dissolved solids in the Pasig River (2024) pmc.ncbi.nlm.nih.gov · background

Open original source ↗

Stable source ID
src-6f95c159c3d8f11c
Publisher
Name not classified · pmc.ncbi.nlm.nih.gov
Type / language
web-page · language not classified
Published
2024-04-09
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Peer-reviewed. Describes PRUMS as an interagency programme under the environment department and the Pasig River coordinating and management office that standardises stations and data for public reporting; confirms the parameter list is fixed by a 2016 departmental order, and that the river was pronounced biologically dead in 1990.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
Frontiers in Water — source-tracking of fecal pollution in Manila Bay and its tributaries (2025) frontiersin.org · 1 linked claim

Open original source ↗

Stable source ID
src-31fa7c1ba5758b27
Publisher
Name not classified · frontiersin.org
Type / language
web-page · language not classified
Published
2025-06-02
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
Open archived copy ↗ · 2026-06-20
Content hash
No captured content hash
Locator
Open the recorded source note

Peer-reviewed and independent. Samples taken December 2021 to May 2023 alongside the environment bureau and the river office; genetic source tracking attributes the dominant Pasig fecal signal to sewage, 38 percent at the downstream station and 22 percent upstream, with animal sources below one percent.

Descriptive only — not page/paragraph exact
Executive Order No. 93 (2019) — disestablishing the Pasig River Rehabilitation Commission lawphil.net · background

Open original source ↗

Stable source ID
src-8974396294d3da45
Publisher
Name not classified · lawphil.net
Type / language
web-page · language not classified
Published
2019-11-08
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Primary. Signed 8 November 2019, it abolishes the dedicated river rehabilitation commission and reassigns its functions across five bodies, which is why the monitoring now sits with the environment bureau rather than a river-specific agency.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
Known limits of this passport
  • Publisher names and source languages have not yet been classified; domains are recorded without guessing.
  • Existing source notes are descriptive locators, not page- or paragraph-exact citations.
  • A missing archive, publication date or content hash is shown as null rather than inferred.
  • The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim.