Wallis Sands State Park
Route 1-A, Rye, NH 03870 · Rockingham County · Publicly Owned Treatment Works
- Average flow
- 0.0005 MGD
- Design flow
- —
- NPDES permit
- NHG580014
- Effective
- Permit expires
- November 2026
- Population served
- —
- CWNS 2022
Wallis Sands State Park is a publicly owned wastewater treatment plant in Rye, Rockingham County, New Hampshire treating an average of 0.0005 million gallons per day. It discharges under NPDES permit NHG580014 (effective), which expires in November 2026, with 51 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Wallis Sands State Park.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 51
- Effluent violations
- 41
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Wallis Sands State Park, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Wallis Sands State Park, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Portsmouth · 3 mi away
3.28 MGD
Portsmouth · 5 mi away
—
Portsmouth (newington) · 6 mi away
0.11 MGD
Hampton · 8 mi away
2.24 MGD
Dover · 11 mi away
2.18 MGD
Newmarket · 11 mi away
0.44 MGD
Exeter · 11 mi away
1.45 MGD
Durham · 12 mi away
0.72 MGD
Wallis Sands State Park: 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 August 14, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms