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Pipeline & Water

Water Utilities

The Commission regulates eight water utilities that provide retail water service to Wyoming customers. These water utilities serve a relatively small number of Wyoming customers, the vast majority of service in the state being provided by municipalities and water and improvement districts which are not regulated by the Commission. The PSC has the following primary duties regarding the regulation of water utilities: Hearing rate cases and approving rates and tariffs for the companies Reviewing, analyzing and hearing water utility applications to pass-on wholesale cost increases in the cost of water Granting certificates of public convenience and necessity for major facilities Establishing accounting and depreciation procedures for utilities Approving mergers, acquisitions and transactions between companies Approving the issuance of securities and creation of liens by the utility Mediating consumer complaints regarding water service issues

Webinar Opportunities for Small Water Utilities
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Sample Rules and Regulations for Water Utilities
This document has been assembled by the Wyoming Public Service Commission staff.

Sample Water Utility Rules and Regulations

Gas and Pipeline Safety Program

The Wyoming Public Service Commission has been authorized by the U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety (PHMSA) to perform inspections of Natural Gas Intrastate Transmission Pipelines, Natural Gas Distribution Systems, Liquid Propane Gas Distribution Systems, Direct Sales Lateral, Certain Regulated Gas Gathering Systems and Liquefied Natural Gas Systems in the State of Wyoming. The Commission's Facility Engineering Section will inspect 34 Natural Gas Pipeline Operators and Gas Utilities. The types of inspections that are conducted include the Standard Transmission and Distribution safety inspections, Accident and Incident investigations, Drug and Alcohol Program inspections, Operator Qualification inspections, Integrity Management Program inspections, and any investigations that the Commission may deem necessary.

The Facility's Engineering Staff attempts to inspect each operator annually, but never longer than every other year. The inspections are conducted to insure compliance with 49 CFR §§ 191, 192, 193 and 199. See the regulations here.

If you have any questions or concerns about pipeline safety issues please contact the Commission's Engineering Supervisor at (307) 777-7427 or by email to


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Pipeline Utilities
Contact / Address Update Form

Water Utilities
Contact / Address Update Form
Required Filings Cover Sheet