Laurens City Of STP
Laurens, IA 50554 · Pocahontas County · Publicly Owned Treatment Works
- Average flow
- 0.18 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- IA0025950
- Administratively continued
- Permit expires
- August 2026
- Population served
- 1,264
- CWNS 2022
Laurens City Of STP is a publicly owned wastewater treatment works in Laurens, Pocahontas County, Iowa treating an average of 0.18 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 1,264 residents. It discharges under NPDES permit IA0025950 (administratively continued), which expires in August 2026, with 15 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Laurens City Of STP.
Available with a free Klarifi account
See the full treatment train at Laurens City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 15
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 Laurens City Of STP, from the plant's pretreatment programme records.
- Industrial users
- 2
- on record
On record: Bobalee Hydraulics, INC (Laurens); Fisher Gold Star Div Fisher Hydraulics (Laurens). Most users are in automotive, metal and equipment manufacturing.
Unlock the details behind these industrial users
Discharge flow, federal category, source documents and contacts for every industrial user of Laurens City Of STP. Free with a Klarifi account.
Key contacts
1 verified contact for Laurens City Of STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Laurens City Of STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Marathon · 7 mi away
0.01 MGD
Albert City · 7 mi away
0.06 MGD
Mallard · 11 mi away
—
Pocahontas · 12 mi away
0.28 MGD
Webb · 12 mi away
—
Ayrshire · 13 mi away
—
Sioux Rapids · 16 mi away
0.04 MGD
Rembrandt · 16 mi away
—
Laurens 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 August 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms