Kittitas POTW
680 Industrial Loop, Kittitas, WA 98934 · Kittitas County · Publicly Owned Treatment Works
- Average flow
- 0.18 MGD
- 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 treating an average of 0.18 million gallons per day against a permitted design capacity of 2.7 MGD, serving about 1,637 residents. It discharges under NPDES permit WA0021253 (effective), which expires in March 2029, with 25 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Kittitas POTW.
Available with a free Klarifi account
See the full treatment train at Kittitas POTW: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Kittitas POTW in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Mar 2026
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Kittitas POTW with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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
3.59 MGD
Ellensburg · 21 mi away
0.01 MGD
Naches · 22 mi away
0.54 MGD
Quincy · 26 mi away
0.02 MGD
Cle Elum · 27 mi away
1.13 MGD
Yakima · 28 mi away
8.67 MGD
Rock Island · 30 mi away
0.06 MGD
Wenatchee · 31 mi away
2.86 MGD
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 October 26, 2026; facility record last updated September 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms