Pipeline Safety Data

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Annual Reports

Damage Prevention

Wisconsin natural gas operators submit damages to their facilities t​o Pipeline and Hazardous Materials Safety Administration (PHMSA) annually. These can be viewed on PHMSA's page for Wisconsin Damage Prevention Information. Operators submit additional data about their facilities which can be viewed on PHMSA's Gas Distribution Annual Report.

Distribution Pipelines

The reports below contain data of all natural gas mains and services in Wisconsin for their respective years.

Inspections, Investigations, ​and Enforcement

Pipeline Safety

Wisconsin Pipeline Safety inspection, investigation, and enforcement dockets:

One-Call Law

Wisconsin One-Call Law enforcement action history:

Incidents

An incident is defined in 49 CFR §191.3 as a release of natural gas from an operator's system resulting in a death, a serious injury, significant property damage, significant gas loss, or a significant emergency event.

PSC Data

Starting in 2021, Wisconsin incident investigation data can be found in this spreadsheet:

It includes investigations on possible incidents even if they do not meet the definition of an incident.

PHMSA Data

Incident data starting in 1986 can be found in this spreadsheet:

PHMSA also collects and shares incident data on their Pipeline Incident Trends page.

Maps

Natural Gas Utilities Service Areas

Wisconsin natural gas utilities service areas can be viewed on an Interactive Map.

Transmission Pipeline Map

The National Pipeline Mapping System Publi​c V​​​​iewer​ provides maps of natural gas an​d hazardous liquids transmission pipelines. Note: this does not include distribution mains or service lines.


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