Hood River STP
818 Riverside Dr, Hood River, OR 97031 · Hood River County · Publicly Owned Treatment Works
- Average flow
- 1.3 MGD
- Design flow
- 2 MGD
- NPDES permit
- OR0020788
- Effective
- Permit expires
- May 2031
- Population served
- 8,717
- CWNS 2022
Hood River STP is a publicly owned wastewater treatment works in Hood River, Hood River County, Oregon treating an average of 1.3 million gallons per day against a permitted design capacity of 2 MGD, serving about 8,717 residents. It discharges under NPDES permit OR0020788 (effective), which expires in May 2031, with 45 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Hood River STP.
Available with a free Klarifi account
See the full treatment train at Hood River STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 45
- Effluent violations
- 22
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Hood River STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Hood River STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Oregon
Hood River · 5 mi away
0.32 MGD
Mosier · 6 mi away
0.06 MGD
Mount Hood Parkdale · 14 mi away
0.06 MGD
Cascade Locks · 17 mi away
0.14 MGD
Dufur · 26 mi away
0.05 MGD
Government Camp · 31 mi away
0.1 MGD
Biggs · 33 mi away
0.03 MGD
Maupin · 43 mi away
0.06 MGD
Hood River STP: 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 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms