Permanent project revision
Revision 2026-08-27-source-dating · effective 2026-08-27
Current revision. This is the snapshot used by the live entity page.
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.
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replace /snapshot/projectFingerprint — Updated projectFingerprint to the current sourced project record.replace /snapshot/sources — Updated sources to the current sourced project record.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.
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quantitative
Acea Ato 2 runs the water service for Rome and 112 other municipalities in Lazio Centrale, the largest such territory in Italy, serving about four million people over more than 5,000 square kilometres
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quantitative
759 measurement districts over more than 13,000km of georeferenced network
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descriptive
with surveys, flow and pressure measurement, water balancing, mathematical modelling and active leak searching on top
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descriptive
A second programme is swapping household meters for electronic ones that send consumption data to the utility by themselves; the swap is free to the customer
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quantitative
Total leaks on the Rome network eased to 27.8% in 2023, from 27.9% in 2022
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quantitative
Counted as volume rather than share, the same year's measures cut the water lost by 2% against 2022 and by about 19% against 2019
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quantitative
Across the whole territory the utility serves, total leaks were still around 38.4%, down from 38.9% in 2022
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descriptive
Neither figure has been checked from outside; the utility publishes them itself, in its own sustainability report
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quantitative
changing the meter is a legal obligation under a ministerial decree of 21 April 2017 covering every non-MID meter installed before 2007
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quantitative
the meter reports consumption to Acea Ato 2 on its own, which is what turns a legally required swap into bills based on real use and leaks that show up early
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Awaiting operator and domain-expert review; publication of this revision implies neither.
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src-7a802650d1de34b2Operator/authority. 759 measurement districts over 13,000+ km, 529 flow/pressure meters (2023); Rome network leaks 27.8% (2023) vs 27.9% (2022); territory total ~38.4%; ~19% loss reduction vs 2019. The page states no publication date.
src-1c95030859e1b004The meter replacement plan: modern digital meters, free of charge to the customer; smart meters that transmit consumption data directly to Acea Ato 2, giving bills based on real use and early detection of leaks; the replacement is a legal obligation under ministerial decree no. 93 of 21 April 2017 for all non-MID meters installed before 2007.
src-6c1bc6a00323f9c4Acea Ato 2 as operator of the integrated water service in ATO 2 Lazio Centrale-Roma, the largest in Italy: about four million people served over more than 5,000 square kilometres, the capital and 112 municipalities of Lazio.