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Patna water picture

Water availability is classified as Scarcity.

The official published classification is Scarcity for both 2025 and 2050.

Where supplied water comes from

  • Municipal water-supply centres and four headworksPatna City, Bankipur, Bailey Road and Kankarbagh headworks

Groundwater context

Before and after monsoon depth band
2–5 metres below the ground surface
Exact published band: 2 to 5 mbgl · 2023-24

Latest groundwater-quality evidence

No station-level numeric quality result is published on this page. The reviewed samples do not establish city-wide or tap-water quality.

Official institutions and periods

NITI Aayog; Patna Municipal Corporation, Water Supply Branch; Patna Municipal Corporation

2021-22 · 2022-23 · 2023-24 · 2025 · 2050 · Effective date not stated; page reviewed 2026-08-18 · 2019-20

This does not establish today’s household supply, pressure, continuity or tap-water safety.

See the full evidence and limitations

Where supplied water comes from

These relationships come from official utility or government publications. JalWater keeps operating, historical, proposed, and unproven evidence separate.

Operating relationships in reviewed official evidence

Municipal water-supply centres and four headworks · Patna City, Bankipur, Bailey Road and Kankarbagh headworks

Operating in the reviewed official evidence · Effective date not stated; reviewed 2026-08-18

Other

PMC states that its Water Supply Branch operates water-supply centres across the municipal area under four named headworks.

Authority
Patna Municipal Corporation, Water Supply Branch
Geographic scope
PMC municipal-area water-supply branch and its listed centres; source water for each centre is not stated.
Evidence locator
HTML Water Supply section and List of water supply centers
Limitation
This proves the municipal scheme/headworks relationship, not the source feeding every centre, present output, household delivery, pressure or safety.

Source: Patna Municipal Corporation, Water Supply Branch · Water Supply. Open official source

Official proposals — not operating evidence

Ganges surface-water project · Mega Patna Water Supply Project

Official proposal — not operating evidence · 2019-20 proposal

River

PMC's annual report describes a submitted project report for a future surface-water treatment project drawing from the Ganges.

Authority
Patna Municipal Corporation
Geographic scope
Proposed Mega Patna Water Supply Project context; no current operational status is established.
Evidence locator
PDF page 22, section 3.2.5 and Table 10
Limitation
This proves proposal status in 2019-20 only. It must not be presented as an operating source.

Source: Patna Municipal Corporation · Annual Report 2019-20. Open official source

Relationships not proven

Source feeding each current PMC water-supply centre · PMC water-supply centres

Relationship not proven · Effective date not stated; reviewed 2026-08-18

Other

The reviewed PMC page identifies centres and headworks but does not explicitly identify the water source feeding every listed centre.

Authority
Patna Municipal Corporation, Water Supply Branch
Geographic scope
Centre-level source relationship sought; the page lists infrastructure but not source water for every centre.
Evidence locator
HTML List of water supply centers
Limitation
Not proven from the official evidence currently reviewed.

Source: Patna Municipal Corporation, Water Supply Branch · Water Supply. Open official source

Groundwater evidence

Before and after monsoon depth band

2–5 metres below the ground surface

2 to 5 mbgl · 2023-24

Published 2025 classification

Scarcity [500-1000 m3]

Published 2050 classification

Scarcity [500-1000 m3]

JalWater preserves the official periods and bands. It does not invent intermediate years or infer a trend.

Current condition and water quality

Current source condition

JalWater has not verified a stable official current-condition feed for this city.

Groundwater-quality samples

Reviewed station records are dated 2021–2023 and do not represent city-wide or municipal tap-water quality. Their numeric values are not published here.

Official sources and limitations

Official publications used

  • Patna Municipal Corporation, Water Supply Branch

    Water Supply · Effective date not stated; page reviewed 2026-08-18

    Stable HTML headings Water Supply and List of water supply centers

    Open official source

  • Patna Municipal Corporation

    Annual Report 2019-20 · 2019-20

    PDF page 22, section 3.2.5 Water Supply and Table 10

    Open official source

What is not verified

  • No stable official current-condition feed has been verified for this city.
  • No reviewed evidence establishes today's household supply, pressure, continuity, or tap-water safety.
  • No reviewed evidence establishes a source share for every neighbourhood or property.
  • No rainfall or reservoir-status feed is used to change the published classifications.
  • Groundwater-quality station values are excluded from the public release candidate.

Publication method

JalWater publishes independently written factual summaries with prominent attribution and links to official primary sources. It does not reproduce protected tables, images, long passages, raw datasets, or source documents.

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