Hardwick WPC - Gilbertville
Old Mill Road, Gilbertville, MA 01031 · Worcester County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- —
- NPDES permit
- MAG580016
- Effective
- Permit expires
- November 2026
- Population served
- —
- CWNS 2022
Hardwick WPC - Gilbertville is a publicly owned wastewater treatment plant in Gilbertville, Worcester County, Massachusetts treating an average of 0.08 million gallons per day. It discharges under NPDES permit MAG580016 (effective), which expires in November 2026, with 66 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Hardwick WPC - Gilbertville.
Available with a free Klarifi account
See the full treatment train at Hardwick WPC - Gilbertville: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 66
- Effluent violations
- 35
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Hardwick WPC - Gilbertville, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Hardwick WPC - Gilbertville, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Hardwick · 5 mi away
0.02 MGD
North Brookfield · 8 mi away
0.4 MGD
Palmer (three Rivers) · 11 mi away
1.37 MGD
Spencer · 11 mi away
0.66 MGD
Leicester · 16 mi away
0.13 MGD
Charlton · 16 mi away
0.41 MGD
Hadley · 18 mi away
3.36 MGD
North Oxford · 18 mi away
0.26 MGD
Hardwick WPC - Gilbertville: 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 October 26, 2026; facility record last updated September 23, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms