How much wastewater does Milliken Sanitation District treat?

Milliken Sanitation District treats an average of 0.53 MGD and is permitted for a design flow of 0.7 MGD.

What treatment technology does Milliken Sanitation District use?

Klarifi has identified aerated lagoons, uncovered lagoons at the Milliken facility.

What is the NPDES permit for Milliken Sanitation District?

The facility discharges under NPDES permit CO0042528, currently administratively continued, expiring July 2020.

Is Milliken Sanitation District in compliance?

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

Who operates Milliken Sanitation District and how do I contact them?

Milliken Sanitation District is a publicly owned treatment works in Milliken, Colorado. Klarifi lists decision-maker contacts for this facility, available with a free trial.

Try for free Log in

Milliken Sanitation District

Milliken, CO · Weld County · Publicly Owned Treatment Works

Average flow: 0.53 MGD

Design flow: 0.7 MGD

NPDES permit: CO0042528; Administratively continued

Permit expires: July 2020

Population served: 8,493; CWNS 2022

Milliken Sanitation District is a publicly owned wastewater treatment plant in Milliken, Weld County, Colorado treating an average of 0.53 million gallons per day against a permitted design capacity of 0.7 MGD, serving about 8,493 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit CO0042528 (administratively continued), which expires in July 2020, with 2 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Aerated lagoons

Unlock

Uncovered lagoons

Unlock

Unlock exact unit counts →

Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 2

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

Key contacts

Decision-makers at Milliken Sanitation District.

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 Colorado

Hill-N-Park STP

Greeley · 6 mi away

1.79 MGD

Town Of Windsor Sewarage Treatment Plant

Windsor · 7 mi away

2.85 MGD

Low Point WWTP

Johnstown · 8 mi away

0.55 MGD

Greeley WWTP

Greeley · 11 mi away

9.4 MGD

Mead, Town Of

Mead · 11 mi away

0.33 MGD

Berthoud Town Of WWTP

Berthoud · 11 mi away

1.61 MGD

St Vrain Sanitation District

City Of Longmont · 14 mi away

3.55 MGD

South Ft. Collins Sanit. Dist.

Fort Collins · 14 mi away

4.23 MGD

Milliken Sanitation District: 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 September 11, 2026; facility record last updated March 9, 2025.

Try Klarifi for free

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

Try for free