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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: Providence, North Providence, Cranston, Johnston, and East Smithfield, plus seven wholesale communities including Warwick, East Providence, Lincoln, Bristol, Kent County, Greenville, and Smithfield
Population: Approximately 600,000 people, or about 60% of Rhode Island, through roughly 80,000 retail service connections and seven wholesale communities.
Public Water Authority
Service area: Providence
Population: 333,142 people (EPA SDWIS active CWS PWS RI1592024)
Public Water Authority
Service area: Pawtucket, Central Falls, and the Valley Falls section of Cumberland
Population: 98,130 people (EPA SDWA active CWS queue estimate)
Municipal Department
Service area: Warwick
Population: Approximately 73,289 people in the EPA-listed Warwick community-water-system service area.
Municipal Department
Service area: Westerly
Population: 35,298 people (EPA SDWA queue estimate for RI1559512)
Municipal Department
Service area: North Kingstown
Population: 27,732 people (EPA SDWA queue estimate for RI1559517)
Private Investor-Owned Utility
Service area: Wakefield
Population: 22,347 people (EPA SDWIS 2026Q2 estimate for RI1615624)
Municipal Department
Service area: Lincoln
Population: 21,664 people (EPA SDWIS 2026Q2 estimate for RI1858423)
Municipal Department
Service area: Cumberland
Population: 21,235 people (EPA SDWIS 2026Q2 estimate for RI1647530)
Municipal Department
Service area: Kingston
Population: 19,354 people (EPA SDWIS 2026Q2 estimate for RI1858422)
Municipal Department
Service area: PAWTUCKET
Population: 98130 people (EPA SDWIS 2026Q2 active CWS estimate for RI1592021)
Municipal Department
Service area: WEST GREENWICH
Population: 94107 people (EPA SDWIS 2026Q2 active CWS estimate for RI1559511)
Municipal Department
Service area: WARWICK
Population: 73289 people (EPA SDWIS 2026Q2 active CWS estimate for RI1615627)
Municipal Department
Service area: WARREN
Population: 49000 people (EPA SDWIS 2026Q2 active CWS estimate for RI1647515)
Municipal Department
Service area: EAST PROVIDENCE
Population: 47618 people (EPA SDWIS 2026Q2 active CWS estimate for RI1615610)
Municipal Department
Service area: WOONSOCKET
Population: 45828 people (EPA SDWIS 2026Q2 active CWS estimate for RI1559518)
Municipal Department
Service area: NEWPORT
Population: 42155 people (EPA SDWIS 2026Q2 active CWS estimate for RI1592010)
Rhode Island directory notes
This state hub brings together 17 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.