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 systemROSWELL MUNICIPAL WATER SYSTEMNM3520203 · NM
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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.

FieldROSWELL MUNICIPAL WATER SYSTEM
SystemROSWELL MUNICIPAL WATER SYSTEM
PlaceRoswell
Population served54,025
Source typeGroundwater
Record updated2026-09-16
Findings on record33
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 · referenceROSWELL MUNICIPAL WATER SYSTEM
Lithium10.0 µg/L EPA health reference level (screening, not a legal limit)18.5µg/LAbove a reference
Total trihalomethanes (TTHM)80 ppb federal MCL4.7ppbDetected, within reference
Haloacetic acids (HAA5)60 ppb federal MCL2.4ppbDetected, 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.