Search by provider name, city, service area, or state.
State utility hub
Browse the indexed community water systems in this state. Each profile brings the provider’s payment routes and household protection policies into a single, practical guide.
Public Water Authority
Service area: Cheyenne, Warren Air Force Base, South Cheyenne Water and Sewer District, and approved Laramie County customers
Population: The BOPU serves the City of Cheyenne, Warren Air Force Base, South Cheyenne Water and Sewer District, and additional residential, commercial, and ranch customers; its planning materials estimate a service population well above 75,000.
Public Water Authority
Service area: City of Cheyenne service area
Population: 64,165 people (EPA SDWA queue estimate for WY5600011)
Municipal Department
Service area: City of Casper
Population: 59,000 people (EPA SDWA queue estimate for WY5601415)
Municipal Department
Service area: Laramie
Population: 32,395 people (EPA SDWA queue estimate for WY5600029)
Municipal Department
Service area: Gillette
Population: 32,222 people (EPA SDWA queue estimate for WY5600019)
Municipal Department
Service area: Jackson
Population: 24,760 people (EPA SDWIS 2026Q2 estimate for WY5600213)
Municipal Department
Service area: Rock Springs
Population: 24,000 people (EPA SDWIS 2026Q2 estimate for WY5601182)
Municipal Department
Service area: Sheridan
Population: 22,700 people (EPA SDWIS 2026Q2 estimate for WY5600052)
Wyoming directory notes
This state hub brings together 8 indexed community water systems, from city departments and public authorities to investor-owned systems and smaller regional providers. A service area may cross municipal boundaries, so use the provider name and service address on your bill when choosing a profile.
The most important distinction is between a directory listing and an official account channel. Water Ledger provides a structured starting point; the utility’s own payment portal, published rate schedule, customer-service office, and mailed notice control your account. Compare the payment route, billing frequency, emergency number, and customer-protection notes before relying on a page for a time-sensitive decision.
If you are helping a household with a high bill, leak, or delinquency notice, open the utility profile and review the payment, shut-off, and leak-adjustment guides together. Keep the bill, account number, confirmation receipts, repair records, and notice dates available when speaking with the provider.