What is the address of Melvin City Of STP?

The address on the plant’s EPA facility record is 1/2 Mile N Of 250th Street & Starling Intersection, Melvin, IA 51350, in Osceola County. Its coordinates are 43.2933, -95.5868. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Melvin City Of STP treat?

Melvin 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 Melvin City Of STP use?

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

What is the NPDES permit for Melvin City Of STP?

The facility discharges under NPDES permit IA0083658, currently administratively continued, expiring December 2022.

Is Melvin City Of STP in compliance?

Discharge monitoring reports show no violations at Melvin City Of STP in the last three years.

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

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

Try for free Log in

Melvin City Of STP

1/2 Mile N Of 250th Street & Starling Intersection, Melvin, IA 51350 · Osceola County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.06 MGD

NPDES permit: IA0083658; Administratively continued

Permit expires: December 2022

Population served: —; CWNS 2022

Melvin City Of STP is a publicly owned wastewater treatment works in Melvin, Osceola County, Iowa. It discharges under NPDES permit IA0083658 (administratively continued), which expires in December 2022, with 0 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

Create a free account

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.

Key contacts

Decision-makers at Melvin City Of STP.

No verified contacts on file yet

Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.

Try Klarifi free

Nearby wastewater treatment plants in Iowa

Ocheyedan City Of STP

Ocheyedan · 8 mi away

—

Sanborn WWTP

Sanborn · 9 mi away

0.6 MGD

Sibley City Of STP

Sibley · 10 mi away

0.33 MGD

Hartley WWTP

Hartley · 10 mi away

0.27 MGD

Ashton City Of STP

Ashton · 11 mi away

—

Harris City Of STP

Harris · 13 mi away

—

Archer City Of STP

Archer · 15 mi away

0.0054 MGD

Primghar Municipal Light Plant

Primghar · 15 mi away

0.29 MGD

Melvin 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 April 23, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms

Try Klarifi for free

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

Try for free