Soda Springs WWTP
500 Big Springs Rd, Soda Springs, ID 83276 · Caribou County · Publicly Owned Treatment Works
- Average flow
- 0.93 MGD
- Design flow
- 1.7 MGD
- NPDES permit
- ID0020818
- Administratively continued
- Permit expires
- June 2025
- Population served
- 3,084
- CWNS 2022
Soda Springs WWTP is a publicly owned wastewater treatment works in Soda Springs, Caribou County, Idaho treating an average of 0.93 million gallons per day against a permitted design capacity of 1.7 MGD, serving about 3,084 residents. It discharges under NPDES permit ID0020818 (administratively continued), which expires in June 2025, with 1 recorded violation in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in December 2013.
Treatment technology
Treatment structures and unit processes at Soda Springs WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 1
- 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 Soda Springs WWTP in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $450
- all cases
- Compliance actions
- $12M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Dec 2013
CITY OF SODA SPRINGS, IDAHO
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $12M
EPA's description of the case:
“On May 25, 2011, Region 10 issued a compliance order to the City of Soda Springs. The Order requires the City to complete the work as necessary to bring its wastewater treatment plant into compliance…”
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Source: EPA ECHO, civil enforcement case 10-2011-0088.
Full case history with a free Klarifi account
Every action against Soda Springs WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Soda Springs WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Idaho
Grace · 8 mi away
0.07 MGD
Lava Hot Springs · 21 mi away
—
Montpelier · 26 mi away
0.49 MGD
Franklin · 45 mi away
—
Pocatello · 50 mi away
6.38 MGD
Firth · 54 mi away
0.04 MGD
Shelley · 58 mi away
1.82 MGD
American Falls · 65 mi away
0.48 MGD
Soda Springs 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 February 16, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms