Huckleberry Hill Wastewater Treatment Facility
484 Middle Road, Dover, NH 03820 · Strafford County · Publicly Owned Treatment Works
- Average flow
- 2.18 MGD
- Design flow
- 4.7 MGD
- NPDES permit
- NHG58A003
- Expired
- Permit expires
- January 2026
- Population served
- 31,345
- CWNS 2022
Huckleberry Hill Wastewater Treatment Facility is a publicly owned wastewater treatment works in Dover, Strafford County, New Hampshire treating an average of 2.18 million gallons per day against a permitted design capacity of 4.7 MGD, serving about 31,345 residents. It discharges under NPDES permit NHG58A003 (expired), which expires in January 2026, with 30 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in December 2013.
Treatment technology
One treatment structure or unit process identified at Huckleberry Hill Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at Huckleberry Hill Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 30
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Huckleberry Hill Wastewater Treatment Facility in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $36,000
- all cases
- Compliance actions
- $916,200
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Dec 2013
DOVER WWTP
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $36,000
Source: EPA ECHO, civil enforcement case 01-2005-2002.
Full case history with a free Klarifi account
Every action against Huckleberry Hill Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Dover
Dover's capital improvement plan lists 38 water, sewer and wastewater line items worth $107M starting 2026–2031. The largest budgeted items are shown here.
All water and sewer capital projects in Dover →
| Project | Budget | Years |
|---|---|---|
| Water Main Replacement - Littleworth Road | $10,300,000 | 2029–2030 |
| Water Main Replacement - Central Avenue | $10,200,000 | 2026–2028 |
| New Supply Source Development | $8,300,000 | 2027–2029 |
| Water Main - Littleworth, Columbus, French Cross | $8,000,000 | 2027–2031 |
| WWTP Capacity/Treatment Updates | $7,500,000 | 2026–2027 |
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
8 verified contacts for Huckleberry Hill Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 8 verified contacts (5 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Huckleberry Hill Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Durham · 4 mi away
0.72 MGD
Portsmouth (newington) · 5 mi away
0.11 MGD
Portsmouth · 6 mi away
—
Newmarket · 8 mi away
0.44 MGD
Portsmouth · 8 mi away
3.28 MGD
Rochester · 9 mi away
2.88 MGD
Rye · 11 mi away
0.0005 MGD
Exeter · 13 mi away
1.45 MGD
Huckleberry Hill 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 October 26, 2026; facility record last updated May 21, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms