Rexburg WWTP
525 N 5th W, Rexburg, ID 83440 · Madison County · Publicly Owned Treatment Works
- Average flow
- 3.22 MGD
- Design flow
- 6 MGD
- NPDES permit
- ID0023817
- Effective
- Permit expires
- March 2028
- Population served
- 2,602
- CWNS 2022
Rexburg WWTP is a publicly owned wastewater treatment works in Rexburg, Madison County, Idaho treating an average of 3.22 million gallons per day against a permitted design capacity of 6 MGD, serving about 2,602 residents. It discharges under NPDES permit ID0023817 (effective), which expires in March 2028, with 41 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in March 2019.
Treatment technology
3 treatment structures and unit processes identified at Rexburg WWTP.
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See the full treatment train at Rexburg WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 41
- Effluent violations
- 37
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 Rexburg WWTP in EPA's ICIS system.
- Formal actions
- 3
- 0 since FY2020
- Penalties assessed
- $52,000
- all cases
- Compliance actions
- $12,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Mar 2019
CITY OF REXBURG WASTEWATER TREATMENT FACILITY
Administrative order · CWA, NPDES Discharge without a Permit · Final Order No Penalty · Compliance actions $10,000
EPA's description of the case:
“NPDES Permit ID-002381-7 ( Permit ) was issued to the Respondent on August 9, 2001. The Permit specified the conditions under which the Respondent may discharge treated effluent from the facility.…”
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Source: EPA ECHO, civil enforcement case 10-2009-0133.
Full case history with a free Klarifi account
Every action against Rexburg WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
6 verified contacts for Rexburg WWTP, with validated emails and direct phone numbers.
Unlock 6 verified contacts (3 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Rexburg WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Idaho
Saint Anthony · 9 mi away
0.26 MGD
Rigby · 11 mi away
0.68 MGD
Ririe · 14 mi away
0.22 MGD
Roberts · 18 mi away
0.04 MGD
Driggs · 34 mi away
0.37 MGD
Shelley · 36 mi away
1.82 MGD
Firth · 41 mi away
0.04 MGD
Pocatello · 73 mi away
6.38 MGD
Rexburg 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 · WWTP · Biosolids · all terms