Kittitas POTW
Kittitas, WA · Kittitas County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 2.7 MGD
- NPDES permit
- WA0021253
- Effective
- Permit expires
- March 2029
- Population served
- 1,637
- CWNS 2022
Kittitas POTW is a publicly owned wastewater treatment works in Kittitas, Kittitas County, Washington, serving about 1,637 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit WA0021253 (effective), which expires in March 2029, with 25 recorded violations 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
- 25
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Kittitas POTW, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Kittitas POTW, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Washington
Ellensburg · 5 mi away
—
Ellensburg · 21 mi away
0.03 MGD
Naches · 22 mi away
—
Quincy · 26 mi away
0.03 MGD
Cle Elum · 27 mi away
—
Yakima · 28 mi away
—
Rock Island · 30 mi away
0.06 MGD
Wenatchee · 31 mi away
—
Kittitas POTW: 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 November 8, 2025.