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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 systemWARRENTON, TOWN OFVA6061600 · VA
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BasisEach column shows its latest public record. Sample years can differ between columns, so compare with care.

FieldWARRENTON, TOWN OF
SystemWARRENTON, TOWN OF
PlaceWarrenton
Population served11,801
Source typeSurface Water
Record updated2026-10-15
Findings on record31
Above a listed reference1
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 · referenceWARRENTON, TOWN OF
Perfluorooctanoic acid (PFOA)4.0 ng/L federal MCL (2024)4.6ng/LAbove a reference
Perfluoropentanoic acid (PFPeA)No federal or state limit; shown for transparency3.3ng/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.