Side-by-side water intelligence

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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Up to 3, side by side. No overall score, rank or verdict. Missing evidence stays missing.
Water systemNEW HAVEN WATER DEPARTMENTIN5202009 · IN
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Identity

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BasisEach column shows its latest public record. Sample years can differ between columns, so compare with care.

FieldNEW HAVEN WATER DEPARTMENT
SystemNEW HAVEN WATER DEPARTMENT
PlaceNew Haven
Population served15,700
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 · referenceNEW HAVEN WATER DEPARTMENT
Perfluorohexanoic acid (PFHxA)400000.0 ng/L Michigan EGLE state MCL (strictest US state)5.6ng/LDetected, within reference
Perfluoropentanoic acid (PFPeA)No federal or state limit; shown for transparency8.1ng/LDetected, no limit
Lead (90th percentile)15 µg/L federal action level2.95µg/LDetected, within reference
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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.