What is the address of Hillsboro WTP?

The address on the plant’s EPA facility record is 19th S Main, Hillsboro, ND 58045, in Traill County. Its coordinates are 47.4039, -97.0951. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Hillsboro WTP treat?

Hillsboro WTP is permitted for a design flow of 0.001 MGD. Its average daily flow is not available in the current EPA data.

What is the NPDES permit for Hillsboro WTP?

The facility discharges under NPDES permit ND0026115, currently effective, expiring March 2028.

Is Hillsboro WTP in compliance?

Discharge monitoring reports show 27 violations at Hillsboro WTP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Hillsboro WTP and how do I contact them?

Hillsboro WTP is a publicly owned treatment works in Hillsboro, North Dakota. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Hillsboro WTP

19th S Main, Hillsboro, ND 58045 · Traill County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.001 MGD

NPDES permit: ND0026115; Effective

Permit expires: March 2028

Population served: —; CWNS 2022

Hillsboro WTP is a publicly owned wastewater treatment plant in Hillsboro, Traill County, North Dakota. It discharges under NPDES permit ND0026115 (effective), which expires in March 2028, with 27 recorded violations in the last three years.

Treatment technology

Treatment structures and unit processes at Hillsboro WTP.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations: 27

Effluent violations: 2

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

Key contacts

1 verified contact for Hillsboro WTP, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

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Hillsboro WTP: 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 September 6, 2024.

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

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