How much wastewater does Stanley City Of STP treat?

Stanley City Of STP is permitted for a design flow of 0.06 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Stanley City Of STP use?

Klarifi has identified one treatment structure or unit process at the Stanley facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Stanley City Of STP?

The facility discharges under NPDES permit IA0054178, currently effective, expiring April 2031.

Is Stanley City Of STP in compliance?

Discharge monitoring reports show 1 violation at Stanley City Of STP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Stanley City Of STP and how do I contact them?

Stanley City Of STP is a publicly owned treatment works in Stanley, Iowa. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

Try for free Log in

Stanley City Of STP

Stanley, IA 50671 · Buchanan County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.06 MGD

NPDES permit: IA0054178; Effective

Permit expires: April 2031

Population served: 81; CWNS 2022

Stanley City Of STP is a publicly owned wastewater treatment works in Stanley, Buchanan County, Iowa, serving about 81 residents. It discharges under NPDES permit IA0054178 (effective), which expires in April 2031, with 1 recorded violation in the last three years.

Treatment technology

One treatment structure or unit process identified at Stanley City Of STP.

Available with a free Klarifi account

See the full treatment train at Stanley City Of STP: structures, unit processes and planned upgrades, with exact unit counts.

Create a free account

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.

Key contacts

1 verified contact for Stanley 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 Stanley City Of STP, plus the full compliance history and discharge data.

Try Klarifi free

Nearby wastewater treatment plants in Iowa

Aurora City Of STP

Aurora · 5 mi away

—

Hazelton WWTP

Hazleton · 5 mi away

0.13 MGD

Oelwein WWTP

Oelwein · 6 mi away

1.4 MGD

Lamont WWTF

Lamont · 10 mi away

—

Arlington City Of STP

Arlington · 11 mi away

—

Maynard City Of STP

Maynard · 11 mi away

—

Fairbank WWTP

Fairbank · 12 mi away

0.15 MGD

Winthrop City Of STP

Winthrop · 13 mi away

0.23 MGD

Stanley 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 28, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free