Lancaster Grange Wastewater Treatment Plant
Lancaster, NH · Coos County · Publicly Owned Treatment Works
- Average flow
- 0.0011 MGD
- Design flow
- 0.1 MGD
- NPDES permit
- NHG581249
- Effective
- Permit expires
- November 2026
- Population served
- 36
- CWNS 2022
Lancaster Grange Wastewater Treatment Plant is a publicly owned wastewater treatment works in Lancaster, Coos County, New Hampshire treating an average of 0.0011 million gallons per day against a permitted design capacity of 0.1 MGD, serving about 36 residents. It discharges under NPDES permit NHG581249 (effective), which expires in November 2026, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
10 verified contacts for Lancaster Grange Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 10 verified contacts (7 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Lancaster Grange Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Lancaster · 3 mi away
0.23 MGD
Groveton · 8 mi away
0.02 MGD
Whitefield · 9 mi away
0.09 MGD
Berlin · 17 mi away
1.12 MGD
Littleton · 18 mi away
0.27 MGD
North Stratford · 19 mi away
0.02 MGD
Lisbon · 28 mi away
0.02 MGD
Colebrook · 29 mi away
0.3 MGD
Lancaster Grange 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 July 18, 2023.