Notus WWTP
Denver Ln, Notus, ID 83656 · Canyon County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.2 MGD
- NPDES permit
- ID0021016
- Administratively continued
- Permit expires
- September 2018
- Population served
- 609
- CWNS 2022
Notus WWTP is a publicly owned wastewater treatment works in Notus, Canyon County, Idaho treating an average of 0.06 million gallons per day against a permitted design capacity of 0.2 MGD, serving about 609 residents. It discharges under NPDES permit ID0021016 (administratively continued), which expires in September 2018, with 14 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 2013.
Treatment technology
2 treatment structures and unit processes identified at Notus WWTP.
Available with a free Klarifi account
See the full treatment train at Notus WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 14
- Effluent violations
- 11
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 Notus WWTP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $14,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Oct 2013
CITY OF NOTUS, IDAHO
Administrative order · CWA, NPDES Discharge without a Permit · Final Order No Penalty · Compliance actions $14,000
EPA's description of the case:
“Clean Water Act violations.”
Source: EPA ECHO, civil enforcement case 10-2010-0166.
Full case history with a free Klarifi account
Every action against Notus WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Notus WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Idaho
Greenleaf · 3 mi away
0.06 MGD
Wilder · 6 mi away
0.11 MGD
Parma · 8 mi away
0.18 MGD
Homedale · 10 mi away
0.25 MGD
Marsing · 12 mi away
—
Nampa · 15 mi away
10.69 MGD
Star · 16 mi away
1.52 MGD
Emmett · 17 mi away
1.68 MGD
Notus 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 October 26, 2026; facility record last updated October 10, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms