What is the address of Hill Canyon WWTP?

The address on the plant’s EPA facility record is 9600 Santa Rosa Rd, Camarillo, CA 93010, in Ventura County. Its coordinates are 34.2124, -118.9215. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Hill Canyon WWTP treat?

Hill Canyon WWTP is permitted for a design flow of 14 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Hill Canyon WWTP use?

Klarifi has identified 3 treatment structures and unit processes at the Camarillo facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Hill Canyon WWTP?

The facility discharges under NPDES permit CA0056294, currently effective, expiring July 2031.

Is Hill Canyon WWTP in compliance?

Discharge monitoring reports show 3 violations at Hill Canyon WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Hill Canyon WWTP and how do I contact them?

Hill Canyon WWTP is a publicly owned treatment works in Camarillo, California. Klarifi lists 8 verified decision-maker contacts for this facility, available with a free trial.

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Hill Canyon WWTP

9600 Santa Rosa Rd, Camarillo, CA 93010 · Ventura County · Publicly Owned Treatment Works

Average flow: —

Design flow: 14 MGD

NPDES permit: CA0056294; Effective

Permit expires: July 2031

Population served: 117,000; CWNS 2022

Hill Canyon WWTP is a publicly owned wastewater treatment works in Camarillo, Ventura County, California, serving about 117,000 residents. It discharges under NPDES permit CA0056294 (effective), which expires in July 2031, with 3 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Hill Canyon WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

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

Key contacts

8 verified contacts for Hill Canyon WWTP, with validated emails and direct phone numbers.

Unlock 8 verified contacts (5 more than shown)

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

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Nearby wastewater treatment plants in California

Camarillo Sanitary Dist Water Reclamation Plant

Camarillo · 5 mi away

3.96 MGD

Simi Vly Cnty Sanitation

Simi Valley · 8 mi away

7.12 MGD

Malibu Mesa Wrp

Malibu · 17 mi away

—

Ventura Water Reclamation Facility

Ventura · 19 mi away

4.94 MGD

Ojai Valley WWTP

Ventura · 23 mi away

1.98 MGD

Valencia Wwrp

Valencia · 24 mi away

15.64 MGD

La City , Pub Works Dept

Van Nuys · 25 mi away

19.79 MGD

Saugus Wwrp

Saugus · 26 mi away

3.87 MGD

Hill Canyon 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 · Tertiary treatment · Significant industrial user · all terms

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