Fairfield WWTP
Fairfield, WA · Spokane County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 1.16 MGD
- NPDES permit
- WA0045489
- Administratively continued
- Permit expires
- April 2014
- Population served
- 681
- CWNS 2022
Fairfield WWTP is a publicly owned wastewater treatment works in Fairfield, Spokane County, Washington, serving about 681 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit WA0045489 (administratively continued), which expires in April 2014, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Fairfield WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Fairfield WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Washington
Rockford · 4 mi away
0.00029 MGD
Spangle · 10 mi away
0.0086 MGD
Tekoa · 13 mi away
0.05 MGD
Rosalia · 14 mi away
—
Oakesdale · 19 mi away
—
Spokane · 25 mi away
31.72 MGD
Medical Lake · 27 mi away
0.27 MGD
Palouse · 34 mi away
0.04 MGD
Fairfield WWTP: 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 April 12, 2025.