What is the address of Royal Center WWTP?

The address on the plant’s EPA facility record is 28 N Range Rd, Royal Center, IN 46978, in Cass County. Its coordinates are 40.8625, -86.5087. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Royal Center WWTP treat?

Royal Center WWTP treats an average of 0.4 MGD and is permitted for a design flow of 0.25 MGD.

What treatment technology does Royal Center WWTP use?

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

What is the NPDES permit for Royal Center WWTP?

The facility discharges under NPDES permit IN0020125, currently effective, expiring December 2029.

Is Royal Center WWTP in compliance?

Discharge monitoring reports show 6 violations at Royal Center WWTP in the last three years, 4 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Royal Center WWTP and how do I contact them?

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

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Royal Center WWTP

28 N Range Rd, Royal Center, IN 46978 · Cass County · Publicly Owned Treatment Works

Average flow: 0.4 MGD

Design flow: 0.25 MGD

NPDES permit: IN0020125; Effective

Permit expires: December 2029

Population served: 802; CWNS 2022

Royal Center WWTP is a publicly owned wastewater treatment works in Royal Center, Cass County, Indiana treating an average of 0.4 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 802 residents. It discharges under NPDES permit IN0020125 (effective), which expires in December 2029, with 6 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Royal Center WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 6

Effluent violations: 4

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

Key contacts

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

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

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Nearby wastewater treatment plants in Indiana

Burnettsville WWTP

Burnettsville · 9 mi away

0.03 MGD

Winamac WWTP

Winamac · 12 mi away

0.32 MGD

Fulton Municipal WWTP

Fulton · 14 mi away

0.04 MGD

Twin Lakes Rsd/big Monon Bay

Monticello · 15 mi away

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Rockfield Regional Sewer District Wastewater Treatment Plant

Rockfield · 15 mi away

0.0068 MGD

Lake Bruce Conservancy District WWTP

Kewanna · 15 mi away

0.02 MGD

Reynolds Municipal WWTP

Reynolds · 16 mi away

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Nyona/south Mud Lake C.D.

Macy · 18 mi away

0.05 MGD

Royal Center 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 September 12, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms

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