Pipeline Safety Data

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Annual Reports

Damage Prevention

Wisconsin natural gas operators submit damages to their facilities to 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.


Enforcement

Pipeline Safety

Wisconsin Pipeline Safety enforcement history: Pipeline Enforcement Summary.xlsx

One-Call Law

Wisconsin One-Call Law enforcement action history: One-Call Enforcement Summary.xlsx


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.

Data

Starting in 2021, Wisconsin incident investigation data can be found in this spreadsheet: Pipeline Incident Investigations.xlsx

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

PHMSA Data

PHMSA also collects and shares incident data going back 20 years which can be found on their Pipeline Incident Trends page.


Maps

Natural Gas Utilities Serivce Areas

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

Transmission Pipeline Map

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