Waukon City Of STP
740 Rossville Road, Waukon, IA 52172 · Allamakee County · Publicly Owned Treatment Works
- Average flow
- 0.71 MGD
- Design flow
- 3.4 MGD
- NPDES permit
- IA0033081
- Effective
- Permit expires
- August 2028
- Population served
- 3,827
- CWNS 2022
Waukon City Of STP is a publicly owned wastewater treatment works in Waukon, Allamakee County, Iowa treating an average of 0.71 million gallons per day against a permitted design capacity of 3.4 MGD, serving about 3,827 residents. It discharges under NPDES permit IA0033081 (effective), which expires in August 2028, with 9 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in January 2016.
Treatment technology
One treatment structure or unit process identified at Waukon City Of STP.
Available with a free Klarifi account
See the full treatment train at Waukon City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 9
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 Waukon City Of STP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $7M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Jan 2016
CITY OF WAUKON, IOWA
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $7M
Source: EPA ECHO, civil enforcement case 07-2016-0225.
Full case history with a free Klarifi account
Every action against Waukon City Of STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Industrial users and pretreatment
Industries that discharge process wastewater to Waukon City Of STP, from the plant's pretreatment programme records.
- Industrial users
- 2
- on record
On record: Aveka Nutra Processing (Waukon); Kol- Gol, INC (Waukon). Most users are in automotive, metal and equipment manufacturing and food and beverage.
Unlock the details behind these industrial users
Discharge flow, federal category, source documents and contacts for every industrial user of Waukon City Of STP. Free with a Klarifi account.
Key contacts
2 verified contacts for Waukon City Of STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Waukon City Of STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Postville · 12 mi away
0.31 MGD
Luana · 14 mi away
—
Decorah · 14 mi away
0.92 MGD
Castalia · 14 mi away
—
Lansing · 15 mi away
0.08 MGD
Monona · 15 mi away
0.16 MGD
Decorah · 16 mi away
0.0067 MGD
Harpers Ferry · 17 mi away
0.02 MGD
Waukon City Of STP: 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 September 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms