The NPMS Public Viewer is a government-developed mobile tool that provides public access to hazardous liquid and gas transmission pipeline maps. It allows users to identify pipeline operators, transported materials, and contact information based on geographic location or specific county selection.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For The general public seeking information regarding pipeline infrastructure and safety in their local area.

What does it look like?

Key features

Geographic Pipeline Mappingstandard

Users can view hazardous liquid and gas transmission pipeline locations by selecting a specific county, offshore area, or their current GPS location.

Operator and Asset Identificationstandard

The app provides details on which entities operate specific pipelines and the types of materials being transported.

Contact Information Accessstandard

The interface displays contact details for pipeline operators to facilitate further public inquiries.

How much does it cost?

free

Velocity

Active developmentShow more...

5 versions in history. Development pace: active.

See all version history

Who built it?

Pipeline and Hazardous Materials Safety Administration

8 apps tracked · Reference

DOT Chart 17DOT Chart 17oCFRoCFRPipeline Info Mgmt MappingPipeline Info Mgmt MappingRIN LocatorRIN LocatorHazmat Registration SearchHazmat Registration SearchMIMS STATEMIMS STATEERG for iOSERG for iOS
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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.00 · 4

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for NPMS Public Viewer

How's the Reference market?

The rivals identified

The Analyst's Read

Key takeaways for NPMS Public Viewer

Where is it heading?

Bottom line

While the app provides critical infrastructure data, users frequently report significant technical instability, including session errors and map rendering failures.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by NPMS Public Viewer, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “NPMS Public Viewer Intelligence Report.” Updated Apr 24, 2026. https://marlvel.ai/apps/npms-public-viewer

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