Public water system profile

City of Frederick

Explore available public water records for City of Frederick (PWSID MD0100015). 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.

System Snapshot

Available system-level context

This snapshot shows the identity and context fields currently available for City of Frederick (PWSID MD0100015). Read it with the source links and limitations below.

Last updated: Data reviewed:

System identity

PWSID
MD0100015
State
Maryland
Linked communities
Frederick
County context
Not listed in current record
System type
Community water system
Source water
Surface water listed as the primary source
Population served context
54,000
Service connections
Not listed in current record
Latest reviewed report
2025 report link found
Data updated
2026-07-15

Maryland's reviewed system record lists 54,000 people and 16,600 residential (RS) connections for PWSID MD0100015. The connection count is not displayed as an unqualified total. City boundaries and the public water system service area may differ, so these values do not confirm service for a specific address.

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 City of Frederick. 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 City of Frederick
Substance and testing periodReported valueRange in reportLimit or standardSource tableReport-printed status
NitrateTesting period: 20251.9 ppmAmount detectedND–1.9MCL: 10; MCLG: 10Regulated SubstancesPage 4Typical source, as printed: Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural depositsViolation: No, as printed for this sample period
ChlorineTesting period: 20251.22 ppmAmount detected0.98–1.22MRDL: 4; MRDLG: 4Regulated SubstancesPage 4Typical source, as printed: Water additive used to control microbesViolation: No, as printed for this sample period

Report row

Nitrate

Range in report
ND–1.9 ppm
Amount detected
1.9 ppm
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 10; MCLG: 10
Report-printed status
Violation: No, as printed for this sample period

Source · Page 4

Regulated Substances

Typical source, as printed: Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits

Report row

Chlorine

Range in report
0.98–1.22 ppm
Amount detected
1.22 ppm
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MRDL: 4; MRDLG: 4
Report-printed status
Violation: No, as printed for this sample period

Source · Page 4

Regulated Substances

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

Source report notes

Source: City of Frederick 2025 Annual Water Quality Report. Retrieved 2026-07-15.

  • Applies to: Nitrate

    Violation: No is limited to this 2025 Nitrate row and is not a current compliance, address-level, notice, or safety conclusion.

  • Applies to: Chlorine

    Bracketed MRDL and MRDLG semantics are preserved; Violation: No is limited to this 2025 row and is not a current compliance, advisory, or safety conclusion.

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 City of Frederick. 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.

Source notes for this system mention violation-related context, but this page does not currently display separate system-scoped violation detail records.

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 Nitrate and Chlorine from the 2025 report. Both rows print Violation: No for the report period; that wording is not a current compliance, advisory, or tap-level conclusion.
  • Two of thirty-six material result rows are modeled. The provider's full regulated, Lead/Copper, secondary, and unregulated tables remain in the linked report and are not reproduced by this selected preview.
  • The report describes four surface-water sources whose contribution can vary by location. Maryland lists surface water as the primary source; this profile does not claim that every address receives an identical blend.
  • Maryland lists 16,600 residential (RS) connections. The generic service-connection field remains absent rather than treating that category as a reviewed all-connection total.
  • The Frederick relationship supports navigation only and does not prove the provider for every address. Confirm service with a bill, utility account, City source, or Maryland record.
  • Annual-report values describe 2025. Use the City Alert Center, Water Quality Department, Water and Sewer, and Maryland paths for current instructions; this site does not assert whether an active notice exists.
  • This profile does not replace official utility, Maryland, or public-health notices. It does not determine conditions at a specific tap or make a current safe/unsafe conclusion.
  • 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 City of Frederick summarizes a past reporting period. It is not a live alert page.

Utility reportReport data updated:

Annual Water Quality Report - Reporting Year 2025

Open 2025 water quality report (opens in a new tab)

The 2025 report link is available for City of Frederick. 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
City of Frederick 2025 Annual Water Quality Report
Source retrieved
2026-07-15
Last reviewed
2026-07-15

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
Frederick
County context
Not listed in current record

Local Context

City and state context for this system

City of Frederick is linked here to Frederick 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
Frederick
County context
Not listed in current record
State context
Maryland

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.

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Evidence

Official sources and report links

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

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