Public water system profile

SITKA

Explore available public water records for SITKA (PWSID AK2130075). 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 SITKA (PWSID AK2130075). Read it with the source links and limitations below.

Last updated: Data reviewed:

System identity

PWSID
AK2130075
State
Alaska
Linked communities
Sitka
County context
Not listed in current record
System type
Community water system
Source water
Surface water
Population served context
9,448
Service connections
3,620
Latest reviewed report
2025 report link found
Data updated
2026-07-12

Population served is shown only when it appears in the available source records.

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 SITKA. 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
2
Scope
Past reporting period
Report-row preview from the latest reviewed report for SITKA
Substance and testing periodReported valueRange in reportLimit or standardSource tableReport-printed status
Fluoride (Voluntary) - treated waterTesting period: 2025 annual report; sample date not printedAvg. 0.57 (3) ppmLevel DetectedNo separate range printedMCL: 4.0; MCLG: 2.02025 Test ResultsPage 2Typical source, as printed: Water treatment additive, natural depositsViolation: None, as printed for this report period
Total Trihalomethanes (TTHM)Testing period: 2025 annual report; sampled annually33.85 ppbLevel DetectedRange Detected: NAMCL: 80; MCLG: NADisinfection Byproducts (TTHM & HAA5 sampled Annually & TOC quarterly)Page 3Typical source, as printed: By-Product of ChlorinationViolation: None, as printed for this report period

Report row

Fluoride (Voluntary) - treated water

Range in report
No separate range printed
Level Detected
Avg. 0.57 (3) ppm
Testing period
2025 annual report; sample date not printed
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 4.0; MCLG: 2.0
Report-printed status
Violation: None, as printed for this report period

Source · Page 2

2025 Test Results

Typical source, as printed: Water treatment additive, natural deposits

Report row

Total Trihalomethanes (TTHM)

Range in report
Range Detected: NA
Level Detected
33.85 ppb
Testing period
2025 annual report; sampled annually
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 80; MCLG: NA
Report-printed status
Violation: None, as printed for this report period

Source · Page 3

Disinfection Byproducts (TTHM & HAA5 sampled Annually & TOC quarterly)

Typical source, as printed: By-Product of Chlorination

Source report notes

Source: City and Borough of Sitka 2025 Drinking Water Quality Report. Retrieved 2026-07-22.

  • Applies to: Fluoride (Voluntary) - treated water

    The note marker and `Avg.` label are preserved because the source table prints `Avg. 0.57 (3)`.

  • Applies to: Total Trihalomethanes (TTHM)

    The range field is preserved as display text because the source table prints `NA`.

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 SITKA. 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

  • Official Alaska DEC, EPA, and utility sources identify this record as the Sitka community water system, PWSID AK2130075.
  • The 2025 report identifies Blue Lake as the primary surface-water source. It also says Indian River is not an approved potable source without filtration and chlorine contact time, and that construction of a secondary Sawmill Creek source was completed in fall 2022.
  • This page summarizes exactly two selected 2025 report entries. Open the linked report for the complete tables, definitions, footnotes, and public-education notice.
  • The report's April 2025 table lists a lead 90th-percentile result of 0.014 mg/L against a 0.015 mg/L action level, while the same report includes public-education language about elevated results at some taps. The source does not clearly reconcile the applicable sampling periods, so this page does not characterize current lead compliance or notice status.
  • The 2025 report says the utility inventory found no lead or galvanized service lines requiring replacement and no unknown service lines. This system-level statement does not establish plumbing or service-line material at a specific property.
  • EPA's dated 2026Q2 SDWA row and Alaska DEC's February 4, 2026 monitoring summary agree on 9,448 people served; an older undated Envirofacts view returns 9,644. This page uses the newer dated value and keeps the discrepancy visible.
  • EPA's dated 2026Q2 row lists 3,620 service connections. Population and connection counts are system inventory context, not city population or proof of service for an address.
  • The reviewed 2025 annual report summarizes a reporting period. It is not a live status page.
  • This system profile does not replace official utility, Alaska DEC, or local public-health notices and does not determine whether water at a specific tap is safe.
  • The linked Sitka relationship is reviewed city context only and does not confirm the provider for any address.
  • 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.
  • Address-level service can vary. Confirm the serving provider with a bill, account portal, utility, city, or state source.

Latest Reviewed Report

Latest reviewed report found by this site

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

Utility reportReport data updated:

DRINKING WATER QUALITY REPORT - FOR THE YEAR 2025

Open 2025 water quality report

The 2025 report link is available for SITKA. 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.

Read the 2025 annual report summary

Report year
2025
Summarized entries shown
2
Source name
City and Borough of Sitka 2025 Drinking Water Quality Report
Source URL
Open report source
Source retrieved
2026-07-22
Last reviewed
2026-07-22

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
Listed from reviewed source
City context
Sitka
County context
Not listed in current record

Local Context

City and state context for this system

SITKA is linked here to Sitka 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
Sitka
County context
Not listed in current record
State context
Alaska

Related Explainers

Related contaminants and guides

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

Metals and inorganic chemicals

Fluoride

Fluoride is a regulated inorganic contaminant that can occur naturally or be adjusted by a water provider. A report result alone does not establish which source applies.

Read the Fluoride 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