City water records

New Haven public water system guide

Learn more about New Haven’s public water system. Explore records for REGIONAL WATER AUTHORITY, read its annual water quality reports, and follow links to official information.

Local Snapshot

Available New Haven water system context

One public water system profile is currently linked to New Haven. The system profile is the stronger data page; this city hub explains the connection and where to check next.

Associated systems1

One linked profile is shown here. Confirm address-level service with an official source.

Reviewed system links1

County or borough is not listed in the current city relationship record.

Primary PWSIDCT0930011

Use the PWSID when checking official sources.

Latest CCR2025

2025 report context is linked through REGIONAL WATER AUTHORITY; 2 summarized report entries are shown on the system profile.

Associated Systems

Last updated:

Public water systems linked to this city

Start with the linked system profile for New Haven; it carries the PWSID, report context, source links, and limitations. The city page is a navigation layer.

Last updated: Utility report

REGIONAL WATER AUTHORITY

PWSID CT0930011

View system profile

System-level profile for New Haven. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Community water system
Communities
New Haven
Counties
County not listed
Latest CCR
2025

How to use this city page

  • Start with PWSID CT0930011 when checking official records.
  • Open the system profile before relying on city-level context.
  • Use the linked annual report and source links for report tables, definitions, and official wording.

Location context: County or borough is not listed in the current city relationship record.

City pages help organize nearby records, but the water system profile is the main record page. A city may have more than one provider, and service areas may not match city limits.

Annual Reports

Latest report context in available data

Annual reports summarize a reporting period. For New Haven, use the linked system profile and official source before treating city context as complete.

CT0930011

REGIONAL WATER AUTHORITY

2025 report: The 2025 report link is available for REGIONAL WATER AUTHORITY. Use the linked source report for the full table, definitions, footnotes, and official context. This page includes summarized entries from the available report. They are not a complete copy of the report table.

Source type shown in available records: Utility report

View system profile

What To Check Next

Next steps for New Haven water information

Use these links to move from local context to system, report, source, and limitation context.

How to look up your drinking water system

Start with a utility bill, PWSID, state lookup tool, or official report so you can find the public water system behind a city or provider name.

View How to look up your drinking water system

How to read a water quality report

A plain-English walkthrough of Consumer Confidence Reports, including report years, detected contaminants, legal limits, violations, and source notes.

View How to read a water quality report

Check methodology

Understand why city pages are navigation layers and why address-level confirmation matters.

View Check methodology

Evidence

Official sources and methodology

Location context

County or borough is not listed in the current city relationship record. Use the linked system PWSID and official source instead of inferring a service area from a city boundary.

Evidence

Sources to confirm next

Use official federal, state, utility, or report sources before treating a page as final.