What is the address of Parma WWTP?

The address on the plant’s EPA facility record is W Sinclair Ave, Parma, ID 83660, in Canyon County. Its coordinates are 43.7873, -116.9581. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Parma WWTP treat?

Parma WWTP treats an average of 0.18 MGD and is permitted for a design flow of 0.68 MGD.

What treatment technology does Parma WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Parma facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Parma WWTP?

The facility discharges under NPDES permit ID0021776, currently administratively continued, expiring March 2022.

Is Parma WWTP in compliance?

Discharge monitoring reports show 89 violations at Parma WWTP in the last three years, 76 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Parma WWTP and how do I contact them?

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

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Parma WWTP

W Sinclair Ave, Parma, ID 83660 · Canyon County · Publicly Owned Treatment Works

Average flow: 0.18 MGD

Design flow: 0.68 MGD

NPDES permit: ID0021776; Administratively continued

Permit expires: March 2022

Population served: 2,096; CWNS 2022

Parma WWTP is a publicly owned wastewater treatment works in Parma, Canyon County, Idaho treating an average of 0.18 million gallons per day against a permitted design capacity of 0.68 MGD, serving about 2,096 residents. It discharges under NPDES permit ID0021776 (administratively continued), which expires in March 2022, with 89 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Parma WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 89

Effluent violations: 76

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

Key contacts

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

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

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Wilder WWTP

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Notus WWTP

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Greenleaf STP

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Homedale WWTP

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Fruitland Snake River WWTP

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New Plymouth Sewage Lagoon

New Plymouth · 16 mi away

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Marsing WWTP

Marsing · 18 mi away

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Fruitland Payette River WWTP

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Parma 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 January 23, 2025.

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

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