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World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · Rhode Island

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20 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

20 results

CompareNameNative sizeYear
FIELDS POINT WWTFHW:37062212,743 population served2012
BUCKLIN PT STPHW:37069130,811 population served2012
Cranston WPCFHW:3705581,000 population served2012
WOONSOCKET REGIONAL WWTFHW:3706870,951 population served2012
WARWICK WWTFHW:3706560,224 population served2012
East Providence WPCFHW:3705747,835 population served2012
NEWPORT WWTFHW:3706038,385 population served2012
SOUTH KINGSTOWN REG STPHW:3706434,378 population served2012
West Warwick WWTFHW:3706631,076 population served2012
BRISTOL WWTFHW:3707316,900 population served2012
Westerly WWTFHW:3706714,950 population served2012
Smithfield Sewer AuthorityHW:3706313,000 population served2012
WARREN WWTFHW:370728,000 population served2012
Burrillville Sewer CommissionHW:370547,684 population served2012
QUONSET POINT WWTFHW:370717,532 population served2012
NARRAGANSETT SCARBOROUGHHW:370597,379 population served2012
EAST GREENWICH STPHW:370562,500 population served2012
Jamestown WWTFHW:370581,720 population served2012
New Shoreham WWTFHW:37061750 population served2012
ZAMBARANO HOSPITALHW:37070450 population served2012

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

  • Permit identifier and permitting authority: EPA or an authorized state.
  • Outfall and receiving water; sewer connections follow a different control route.
  • Current permit conditions, limits and dated measurements; these are not included in CWNS.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.