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Compare water intelligence.

Put cities, states, water systems, or ZIP codes next to each other and read the measurable differences. PurityMap never combines them into a single winner or safety verdict.

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Water systemWALDORF - CHARLES COUNTY DPWMD0080049 · MD
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BasisEach column shows its latest public record. Sample years can differ between columns, so compare with care.

FieldWALDORF - CHARLES COUNTY DPW
SystemWALDORF - CHARLES COUNTY DPW
PlaceWaldorf
Population served84,296
Source typeSurface Water
Record updated2026-09-16
Findings on record31
Above a listed reference0
Substance by substance

Where the records differ

Detected results first. Each cell keeps the published result and its record state. “No record” is different from “not detected”.

  • Above a reference
  • Detected, within reference
  • Not detected
  • No record
Substance · referenceWALDORF - CHARLES COUNTY DPW
Perfluorobutanesulfonic acid (PFBS)2000.0 ng/L EPA health advisory (screening, not a legal limit)3.1ng/LDetected, within reference
Perfluorohexanoic acid (PFHxA)400000.0 ng/L Michigan EGLE state MCL (strictest US state)5.1ng/LDetected, within reference
Perfluoropentanoic acid (PFPeA)No federal or state limit; shown for transparency6ng/LDetected, no limit
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Different monitoring periods, source types and coverage can limit direct comparison. Missing evidence stays missing; it is never scored as favourable, and nothing here is combined into an overall rank or safety verdict.