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 systemDEKALB-JACKSON WATER SUPPLY DISTRICTAL0001796 · AL
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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.

FieldDEKALB-JACKSON WATER SUPPLY DISTRICT
SystemDEKALB-JACKSON WATER SUPPLY DISTRICT
PlaceDekalb-jackson District
Population served32,421
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 · referenceDEKALB-JACKSON WATER SUPPLY DISTRICT
Perfluorobutanoic acid (PFBA)No federal or state limit; shown for transparency8.1ng/LDetected, no limit
Perfluorobutanesulfonic acid (PFBS)2000.0 ng/L EPA health advisory (screening, not a legal limit)7.7ng/LDetected, within reference
Lead (90th percentile)15 µg/L federal action level1.5µg/LDetected, within reference
Comparison boundary

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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.