What is the address of Shasta Lake WWTF?

The address on the plant’s EPA facility record is 3700 Tibbits Road, Shasta Lake, CA 96019, in Shasta County. Its coordinates are 40.6623, -122.3818. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Shasta Lake WWTF treat?

Shasta Lake WWTF treats an average of 0.86 MGD and is permitted for a design flow of 1.3 MGD.

What treatment technology does Shasta Lake WWTF use?

Klarifi has identified 4 treatment structures and unit processes at the Shasta Lake facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Shasta Lake WWTF?

The facility discharges under NPDES permit CA0079511, currently expired, expiring January 2026.

Is Shasta Lake WWTF in compliance?

Discharge monitoring reports show 31 violations at Shasta Lake WWTF in the last three years, 31 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Shasta Lake WWTF and how do I contact them?

Shasta Lake WWTF is a publicly owned treatment works in Shasta Lake, California. Klarifi lists 11 verified decision-maker contacts for this facility, available with a free trial.

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Shasta Lake WWTF

3700 Tibbits Road, Shasta Lake, CA 96019 · Shasta County · Publicly Owned Treatment Works

Average flow: 0.86 MGD

Design flow: 1.3 MGD

NPDES permit: CA0079511; Expired

Permit expires: January 2026

Population served: 7,920; CWNS 2022

Shasta Lake WWTF is a publicly owned wastewater treatment works in Shasta Lake, Shasta County, California treating an average of 0.86 million gallons per day against a permitted design capacity of 1.3 MGD, serving about 7,920 residents. It discharges under NPDES permit CA0079511 (expired), which expires in January 2026, with 31 recorded violations in the last three years.

Treatment technology

4 treatment structures and unit processes identified at Shasta Lake WWTF.

Available with a free Klarifi account

See the full treatment train at Shasta Lake WWTF: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 31

Effluent violations: 31

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

Key contacts

11 verified contacts for Shasta Lake WWTF, with validated emails and direct phone numbers.

Unlock 11 verified contacts (8 more than shown)

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

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Nearby wastewater treatment plants in California

Clear Creek WWTP

Anderson · 11 mi away

6.72 MGD

Redding Stillwater Wastewater Treatment Plant

Anderson · 14 mi away

4.24 MGD

Anderson Wastewater Treatment Plant

Anderson · 15 mi away

1.24 MGD

Cottonwood WWTP

Cottonwood · 20 mi away

0.33 MGD

City Of Red Bluff Wastewater Reclamation Plant

Red Bluff · 36 mi away

1.26 MGD

Dunsmuir WWTP

Dunsmuir · 36 mi away

0.14 MGD

Mt. Shasta WWTP

Mount Shasta · 43 mi away

0.54 MGD

Mineral WWTP

Mineral · 46 mi away

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Shasta Lake WWTF: 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 August 13, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms

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