What is the address of Stanhope WWTP?

The address on the plant’s EPA facility record is 345th St, Stanhope, IA 50246, in Hamilton County. Its coordinates are 42.2899, -93.8094. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Stanhope WWTP treat?

Stanhope WWTP is permitted for a design flow of 0.48 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Stanhope WWTP use?

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

What is the NPDES permit for Stanhope WWTP?

The facility discharges under NPDES permit IA0032743, currently effective, expiring November 2030.

Is Stanhope WWTP in compliance?

Discharge monitoring reports show 17 violations at Stanhope WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Stanhope WWTP and how do I contact them?

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

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Stanhope WWTP

345th St, Stanhope, IA 50246 · Hamilton County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.48 MGD

NPDES permit: IA0032743; Effective

Permit expires: November 2030

Population served: 364; CWNS 2022

Stanhope WWTP is a publicly owned wastewater treatment works in Stanhope, Hamilton County, Iowa, serving about 364 residents. It discharges under NPDES permit IA0032743 (effective), which expires in November 2030, with 17 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Stanhope WWTP.

Available with a free Klarifi account

See the full treatment train at Stanhope WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 17

Effluent violations: 3

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

1 verified contact for Stanhope WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Stanhope WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Stratford WWTP

Stratford · 6 mi away

0.16 MGD

Kamrar City Of STP

Kamrar · 8 mi away

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Jewell City Of STP

Jewell · 9 mi away

0.11 MGD

Ellsworth WWTP

Ellsworth · 11 mi away

0.14 MGD

Webster City WWTP

Webster City · 12 mi away

1.36 MGD

Lehigh City Of STP

Lehigh · 13 mi away

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Dayton City Of STP

Dayton · 13 mi away

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Story City City Of STP

Story City · 14 mi away

0.93 MGD

Stanhope 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 14, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms

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