Wrbp Franklin Wastewater Treatment Plant
Franklin, NH · Merrimack County · Publicly Owned Treatment Works
- Average flow
- 3.53 MGD
- Design flow
- 11.5 MGD
- NPDES permit
- NH0100960
- Effective
- Permit expires
- June 2029
- Population served
- 78,331
- CWNS 2022
Wrbp Franklin Wastewater Treatment Plant is a publicly owned wastewater treatment works in Franklin, Merrimack County, New Hampshire treating an average of 3.53 million gallons per day against a permitted design capacity of 11.5 MGD, serving about 78,331 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit NH0100960 (effective), which expires in June 2029, with 22 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
- 22
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Franklin
Franklin's capital improvement plan lists 23 water, sewer and wastewater line items worth $13M starting 2025–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Franklin →
| Project | Budget | Years |
|---|---|---|
| Cross St water tank replacement | $3,000,000 | 2029–2040 |
| East Pleasant St Steel Water Tank | $2,400,000 | 2028–2040 |
| Inflow & Infiltration Maint Program | $1,750,000 | 2025–2040 |
| Lead Service Line Replacement | $1,015,000 | 2025–2029 |
| Water Treatment Plant | $800,000 | 2025–2040 |
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
3 verified contacts for Wrbp Franklin Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Wrbp Franklin Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Concord · 10 mi away
0.18 MGD
Bristol · 13 mi away
0.21 MGD
Hopkington · 13 mi away
0.03 MGD
Concord · 17 mi away
3.2 MGD
Henniker · 18 mi away
0.11 MGD
Ashland · 19 mi away
—
Allenstown · 22 mi away
0.45 MGD
Sunapee · 23 mi away
0.22 MGD
Wrbp Franklin Wastewater Treatment Plant: 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 21, 2025.