Hayden Area Regional Sewer Board WWTP
Hayden, ID · Kootenai County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 2.4 MGD
- NPDES permit
- ID0026590
- Effective
- Permit expires
- May 2029
- Population served
- 17,178
- CWNS 2022
Hayden Area Regional Sewer Board WWTP is a publicly owned wastewater treatment works in Hayden, Kootenai County, Idaho, serving about 17,178 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit ID0026590 (effective), which expires in May 2029, with 5 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
- 5
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Hayden Area Regional Sewer Board WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Hayden Area Regional Sewer Board WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Idaho
Worley · 25 mi away
—
Priest River · 28 mi away
—
Saint Maries · 33 mi away
—
Smelterville · 33 mi away
1.36 MGD
Smelterville · 33 mi away
0.06 MGD
Dover · 35 mi away
0.05 MGD
Sandpoint · 41 mi away
—
Tensed · 43 mi away
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Hayden Area Regional Sewer Board 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 May 17, 2025.