Cedar Falls City Of STP
501 East 4th Street, Cedar Falls, IA 50613 · Black Hawk County · Publicly Owned Treatment Works
- Average flow
- 4.83 MGD
- Design flow
- 21.6 MGD
- NPDES permit
- IA0036633
- Effective
- Permit expires
- December 2029
- Population served
- 35,848
- CWNS 2022
Cedar Falls City Of STP is a publicly owned wastewater treatment works in Cedar Falls, Black Hawk County, Iowa treating an average of 4.83 million gallons per day against a permitted design capacity of 21.6 MGD, serving about 35,848 residents. It discharges under NPDES permit IA0036633 (effective), which expires in December 2029, with 0 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Cedar Falls City Of STP.
Available with a free Klarifi account
See the full treatment train at Cedar Falls City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Industrial users and pretreatment
Industries that discharge process wastewater to Cedar Falls City Of STP, from the plant's pretreatment programme records.
- Industrial users
- 4
- on record
Among them: Metokote Corp- Plant 15 (Cedar Falls); Standard Golf CO (Cedar Falls); Universal Industries (Cedar Falls). Most users are in automotive, metal and equipment manufacturing and metal finishing and plating.
Industrial users of Cedar Falls City Of STP →
Unlock all 4 industrial users of this plant
Discharge flow, federal category, source documents and contacts for every industrial user of Cedar Falls City Of STP. Free with a Klarifi account.
Capital improvement projects in Cedar Falls
Cedar Falls's capital improvement plan lists 14 water, sewer and wastewater line items worth $133M starting 2024–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Cedar Falls →
| Project | Budget | Years |
|---|---|---|
| Nutrient Reduction Improvements | $125,660,000 | 2024–2029 |
| SW Branch of Dry Run Creek Extension | $2,310,000 | 2026–2026 |
| Sanitary Sewer Rehabilitation | $1,800,000 | 2024–2029 |
| Lift Station Maintenance and Upgrades | $760,000 | 2024–2029 |
| Northern Industrial Park Realignment | $550,000 | 2029–2029 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
3 verified contacts for Cedar Falls City Of STP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Cedar Falls City Of STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Janesville · 7 mi away
0.06 MGD
Hudson · 8 mi away
0.35 MGD
Evansdale · 8 mi away
—
Denver · 10 mi away
0.28 MGD
Dewar · 11 mi away
—
Dike · 11 mi away
0.18 MGD
Waverly · 12 mi away
1.42 MGD
Dike · 13 mi away
—
Cedar Falls 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 March 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms