Scarborough Wastewater Treatment Facility
Narragansett, RI · Washington County · Publicly Owned Treatment Works
- Average flow
- 0.39 MGD
- Design flow
- 1.4 MGD
- NPDES permit
- RI0100188
- Effective
- Permit expires
- September 2028
- Population served
- 7,300
- CWNS 2022
Scarborough Wastewater Treatment Facility is a publicly owned wastewater treatment works in Narragansett, Washington County, Rhode Island treating an average of 0.39 million gallons per day against a permitted design capacity of 1.4 MGD, serving about 7,300 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit RI0100188 (effective), which expires in September 2028, with 113 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 113
- Effluent violations
- 41
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Narragansett
Narragansett's capital improvement plan lists 18 water, sewer and wastewater line items worth $23M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Narragansett →
| Project | Budget | Years |
|---|---|---|
| Water Main Replacement Program | $5,800,000 | 2025–2031 |
| Pump Station Upgrades | $3,807,000 | 2025–2031 |
| Scarborough WWTF | $2,925,000 | 2025–2031 |
| Wastewater Facilities Plan Update | $2,250,000 | 2026–2031 |
| Scarborough WWTF Outfall Restoration | $2,000,000 | 2026–2028 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
30 verified contacts for Scarborough Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 30 verified contacts (27 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Scarborough Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Rhode Island
Jamestown · 10 mi away
0.1 MGD
Newport · 12 mi away
5.3 MGD
North Kingstown · 15 mi away
0.41 MGD
New Shoreham · 15 mi away
0.17 MGD
Westerly · 19 mi away
1.56 MGD
East Greenwich · 19 mi away
0.63 MGD
Bristol · 22 mi away
2.14 MGD
Cranston · 26 mi away
5.3 MGD
Scarborough Wastewater Treatment Facility: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated May 25, 2025.