1001 Smart Cities

Permanent project revision

ISKI Centralized SCADA Water Balancing Strategy

Revision 2026-08-27-source-dating · effective 2026-08-26

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

unreviewed

Every source on this entry now carries a date key: a publication date where the publisher states one, otherwise an explicit null with the reason on the record.

sha256:35e326ac7e9a593fd28478863f7d658951f0b2bd76c713304e85e46bb1717573
All revisions → Current entity page →

Change set

  • replace /snapshot/projectFingerprint — Updated projectFingerprint to the current sourced project record.
  • replace /snapshot/sources — Updated sources to the current sourced project record.
7
of 7 claims mapped
4
source dossiers
2
publication dates recorded
0
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-2b977a6e668d21f4 descriptive
splits Istanbul's drinking-water network into district metering areas that can be watched and managed remotely
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Sozcu reports that ISKI installed 420 district metering areas so that network lines gained both regional traceability and remote manageability, and that these zones were integrated with the SCADA system.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Sozcu (press)
  2. ISKI (operator) - SCADA technology
Claim 2 clm-244d7c8591ed2606 quantitative
fell from 22.31% in 2019 to 18.63% at the end of 2024
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Verbatim: '5 yil once yuzde 22,31 olan su kayip ve kacak orani, yapilan yatirimlar ile 2024 yili sonunda yuzde 18,63'e dustu' - the loss and leakage rate, 22.31% five years earlier, fell to 18.63% at the end of 2024.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Sozcu (press)
Claim 3 clm-84c260a1d9980505 quantitative
hydraulic modelling of 18,500 kilometres of mains and the installation of 420 metering areas
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Verbatim: 'ISKI, 18.500 kilometre icme suyu hattinin hidrolik modellemesini yaparak ... 420 adet DMA (Izole Alt Bolge) montaji gerceklestirilerek'.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Sozcu (press)
Claim 4 clm-6630bdff5e7ad540 quantitative
22.31% in 2019, 20.68% in 2020, 20.52% in 2021, 19.45% in 2022, 18.94% in 2023 and 18.63% at the end of 2024
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Sozcu prints the annual series in full: '2019 yilinda yuzde 22,31 ... 2020: %20,68 2021: %20,52 2022: %19,45 2023: %18,94 2024: %18,63'.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Sozcu (press)
Claim 5 clm-bdbe482b5cbf8ae2 quantitative
The utility puts its spending on the programme at more than 1 billion lira
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Verbatim: 'ISKI, su kayip ve kacak oranini azaltabilmek icin 1 milyar TL'nin uzerinde yatirim yapti' - ISKI invested over 1 billion lira to reduce the loss and leakage rate.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Sozcu (press)
Claim 6 clm-1de8e022e976008f quantitative
says the saving is worth about 50 days of Istanbul's water demand
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Verbatim: 'Bu azalma, Istanbul'un 50 gunluk su ihtiyacina denk geliyor' - this reduction corresponds to 50 days of Istanbul's water need.
Caveat
The utility's own framing of the saving, not an independently checked equivalence.

Sources carrying this claim

  1. Sozcu (press)
Claim 7 clm-87ec6aeb13f87647 quantitative
the Istanbul branch of the Chamber of Environmental Engineers, which put the loss at 22.3% in its own 2020 study, says the level to aim for is 5%
Published field
lesson · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Daily Sabah, December 2020: 'Almost 22.3% of the water supplied to Istanbul from various sources do not even reach the grid due to leaks, Medet Guney, the board secretary of the Istanbul branch of the Chamber of Environmental Engineers (CMO), told Demiroren News Agency', reporting a study by that body; and 'The leakage rate should urgently be brought down to acceptable levels of 5% through significant investments, he said.'
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Daily Sabah (press)

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 2026-08-27-source-dating effective 2026-08-26 · created 2026-08-27

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

sha256:35e326ac7e9a593fd28478863f7d658951f0b2bd76c713304e85e46bb1717573
Revision history → Permanent version link → Machine-readable record → Evidence Constitution →
7
of 7 claims mapped
4
source dossiers
2
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
İSKİ (Istanbul Water and Sewerage Administration)
Actor types
utility
Funding model
utility
Funding description
Not recorded
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

4 source dossiers

ISKI (operator) - SCADA technology iski.istanbul · 1 linked claim

Open original source ↗

Stable source ID
src-65cd0c60eac0cb95
Publisher
Name not classified · iski.istanbul
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-08-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

The utility's own description of the SCADA layer over the network. No publication date is recorded: the page did not answer when this entry was checked.

Descriptive only — not page/paragraph exact
Claims linked
Sozcu (press) sozcu.com.tr · 6 linked claims

Open original source ↗

Stable source ID
src-9d5ab9122ccdaddb
Publisher
Name not classified · sozcu.com.tr
Type / language
web-page · language not classified
Published
2025-02-22
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-08-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Reports the utility's full annual loss series 2019-2024, the investment total, and the modelling and metering-area counts behind it.

Descriptive only — not page/paragraph exact
Claims linked
Daily Sabah (press) dailysabah.com · 1 linked claim

Open original source ↗

Stable source ID
src-2c8783b3d6de98b0
Publisher
Name not classified · dailysabah.com
Type / language
web-page · language not classified
Published
2020-12-22
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-08-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

The Chamber of Environmental Engineers' own measurement of Istanbul's losses and the level it says the city should be aiming for.

Descriptive only — not page/paragraph exact
Claims linked
Wikipedia - Water supply and sanitation in Istanbul (reference) en.wikipedia.org · background

Open original source ↗

Stable source ID
src-27ec8b884a537b4b
Publisher
Name not classified · en.wikipedia.org
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-08-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Background on the network. Continuously revised, so it states no publication date.

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.