Jerome WWTP
50 N 100 W, Jerome, ID 83338 · Jerome County · Publicly Owned Treatment Works
- Average flow
- 3.33 MGD
- Design flow
- 3 MGD
- NPDES permit
- ID0020168
- Administratively continued
- Permit expires
- June 2015
- Population served
- 12,641
- CWNS 2022
Jerome WWTP is a publicly owned wastewater treatment works in Jerome, Jerome County, Idaho treating an average of 3.33 million gallons per day against a permitted design capacity of 3 MGD, serving about 12,641 residents. It discharges under NPDES permit ID0020168 (administratively continued), which expires in June 2015, with 4 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in July 2019.
Treatment technology
2 treatment structures and unit processes identified at Jerome WWTP.
Available with a free Klarifi account
See the full treatment train at Jerome WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 1
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 Jerome WWTP in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $86,000
- all cases
- Compliance actions
- $43M
- required by EPA orders
- EPA inspections
- 1
- latest Jan 2012
Latest case · Jul 2019
CITY OF JEROME, IDAHO
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $302,000
EPA's description of the case:
“Clean Water Act violations.”
Source: EPA ECHO, civil enforcement case 10-2010-0059.
Full case history with a free Klarifi account
Every action against Jerome WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Jerome WWTP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Jerome WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Idaho
Filer · 11 mi away
0.18 MGD
Buhl · 15 mi away
0.28 MGD
Shoshone · 16 mi away
0.13 MGD
Hansen · 18 mi away
0.08 MGD
Richfield · 29 mi away
0.04 MGD
Heyburn · 41 mi away
0.43 MGD
Glenns Ferry · 42 mi away
0.09 MGD
Fairfield · 44 mi away
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Jerome 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 March 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms