Public water system profile

BRISTOL WATER DEPARTMENT

Explore available public water records for BRISTOL WATER DEPARTMENT (PWSID CT0170011). Find annual reports, results listed in those reports, official sources, and clear notes about what the records can and cannot show. This page does not show conditions at a specific tap.

View report rows

System Snapshot

Available system-level context

This snapshot shows the identity and context fields currently available for BRISTOL WATER DEPARTMENT (PWSID CT0170011). Read it with the source links and limitations below.

Last updated: Data reviewed:

System identity

PWSID
CT0170011
State
Connecticut
Linked communities
Bristol
County context
Not listed in current record
System type
Community water system
Source water
Surface water listed as primary source
Population served context
52,079
Service connections
Not listed in current record
Latest reviewed report
2025 report link found
Data updated
2026-07-29

Connecticut DPH's current reviewed schedule lists 52,079 people, 15,142 residential connections, and 1,180 commercial connections for PWSID CT0170011. The combined-connection field is blank, so this profile does not calculate or display a combined total.

Read these as system-level fields from reviewed public records. Confirm provider and address-specific questions with official utility, city, state, or EPA sources.

Report-Listed Rows

Report-listed rows summarized from the latest reviewed report

2 report-listed rows are summarized for BRISTOL WATER DEPARTMENT. A listed row is not the same thing as a current advisory or household tap result.

Report year
2025
Rows summarized
2
Source tables represented
1
Scope
Past reporting period
Report-row preview from the latest reviewed report for BRISTOL WATER DEPARTMENT
Substance and testing periodReported valueRange in reportLimit or standardSource tableReport-printed status
BariumTesting period: 20250.27 ppmAmount detected0.019–0.27MCL 2 ppm; MCLG 2 ppmRegulated SubstancesPage 6Typical source, as printed: Discharge of drilling wastes; discharge from metal refineries; erosion of natural depositsViolation: No, as printed for this report period
ChlorineTesting period: 20250.89 ppmAmount detected0.04–1.53MRDL [4] ppm; MRDLG [4] ppmRegulated SubstancesPage 6Typical source, as printed: Water additive used to control microbesViolation: No, as printed for this report period

Report row

Barium

Range in report
0.019–0.27 ppm
Amount detected
0.27 ppm
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL 2 ppm; MCLG 2 ppm
Report-printed status
Violation: No, as printed for this report period

Source · Page 6

Regulated Substances

Typical source, as printed: Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits

Report row

Chlorine

Range in report
0.04–1.53 ppm
Amount detected
0.89 ppm
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MRDL [4] ppm; MRDLG [4] ppm
Report-printed status
Violation: No, as printed for this report period

Source · Page 6

Regulated Substances

Typical source, as printed: Water additive used to control microbes

Source report notes

Source: Bristol Water and Sewer Department 2025 Annual Water Quality Report. Retrieved 2026-07-28.

  • Applies to: Barium, Chlorine

    reported transcription from Bristol 2025 CCR page 6. Values describe the report or row sample period and do not establish current conditions, compliance, advisories, or tap-level safety.

Review the linked source report for definitions, footnotes, and official wording.

Violation Records

Violation records shown on this page

This section shows 0 system-scoped violation detail records currently included for BRISTOL WATER DEPARTMENT. Annual reports and current notices can use different timing and terminology.

No system-scoped violation detail records are included in the available reviewed records for this system. This is not an official compliance finding. Check the official utility, state, or EPA source for current compliance and notice information.

Important limitation

Profile summary note

This page summarizes public records reviewed by this site. It does not replace official notices, utility updates, or state drinking water information.

System profile limitations

  • The bounded preview shows only Barium and Chlorine from the 2025 annual report. It is not a complete contaminant table or a current compliance, advisory, safety, or household-tap conclusion.
  • The 2025 report prints reported PWS ID 017011. The same utility's 2024 report and the current Connecticut DPH schedule print CT0170011. Both literals remain separately attributed; this profile does not assert a general Connecticut formatting rule.
  • The DPH schedule's combined-connection field is blank. Residential and commercial values are described separately, and no combined total is calculated.
  • Address-level service can vary. Confirm the serving provider with a bill, account portal, utility, city, or state source.
  • Official water-quality and alert paths are provided for newer information. This profile does not assert whether an alert or advisory is currently active.
  • This page shows summarized entries from the available report. It does not include a complete contaminant or violation table.
  • Missing fields are not findings. They mean the field is not shown on this page from the records currently available.
  • This page summarizes available public records. It may not include every update, notice, or urgent official advisory.

Latest Reviewed Report

Latest reviewed report found by this site

The 2025 report found for BRISTOL WATER DEPARTMENT summarizes a past reporting period. It is not a live alert page.

Utility reportReport data updated:

2025 Annual Water Quality Report

Open 2025 water quality report

The 2025 report link is available for BRISTOL WATER DEPARTMENT. 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.

Report year
2025
Summarized entries shown
2
Source name
Bristol Water and Sewer Department 2025 Annual Water Quality Report
Source URL
Open report source
Source retrieved
2026-07-28
Last reviewed
2026-07-28

Use the linked source report for the full table, definitions, footnotes, and official context.

Data coverage

This page summarizes selected public records for this public water system. It may not include every report, update, current notice, or address-level service detail.

Latest reviewed report
2025 report link found
Report-listed rows
2 summarized report entries shown
Detailed violation records
No detailed system-scoped records displayed
Population served
Listed from reviewed source
Service connections
Not listed in current record
City context
Bristol
County context
Not listed in current record

Local Context

City and state context for this system

BRISTOL WATER DEPARTMENT is linked here to Bristol for navigation. That relationship does not confirm the provider for a specific address; use a bill, utility portal, or official lookup source.

Linked local context

Linked communities
Bristol
County context
Not listed in current record
State context
Connecticut

Related Explainers

Related contaminants and guides

Use these explainers with BRISTOL WATER DEPARTMENT's report year, source table, and official report. Links are limited to existing guide and contaminant pages.

Disinfectants

Chlorine

Chlorine is a drinking-water disinfectant used to control microbes. It is not the same topic as the disinfection byproducts HAA5 or TTHM.

Read the Chlorine contaminant guide

Metals and inorganic chemicals

Barium

Barium is a regulated inorganic contaminant. A report row supplies a system, period, unit, criterion, result, and printed status rather than a current household conclusion.

Read the Barium contaminant guide

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

Corrections

Suggest a correction or newer source

If you have a newer official report, utility source, or correction, send the source link for review. This helps keep profile summaries tied to public records.

Suggest an update

Evidence

Official sources and report links

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

Data methodology

Review source hierarchy, missing-data handling, and record limitations.

View Data methodology

Data limitations

See why limited records, missing fields, and current notices need careful interpretation.

View Data limitations