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.
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
| Substance and testing period | Reported value | Range in report | Limit or standard | Source table | Report-printed status |
|---|---|---|---|---|---|
| NitrateTesting period: 2025 | 1.9 ppmAmount detected | ND–1.9 | MCL: 10; MCLG: 10 | Regulated SubstancesPage 4Typical source, as printed: Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits | Violation: No, as printed for this sample period |
| ChlorineTesting period: 2025 | 1.22 ppmAmount detected | 0.98–1.22 | MRDL: 4; MRDLG: 4 | Regulated SubstancesPage 4Typical source, as printed: Water additive used to control microbes | Violation: 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
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 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.
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 URL
- Open report source
- 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
Browse related context
County context is shown as a field when it appears in the current record. County pages are not currently available on this site.
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 updateEvidence
Official sources and report links
Use official federal, state, utility, or report sources before treating a page as final.
Utility website
Utility website
Data methodology
Review source hierarchy, missing-data handling, and record limitations.
View Data methodologyData limitations
See why limited records, missing fields, and current notices need careful interpretation.
View Data limitations