closed🌐 palmdalewater2025-RFP-006

Granular Activated Carbon (GAC) Services

palmdalewater / Operations

Description

The Palmdale Water District (PWD) is a Community Water System located in Palmdale, California that utilizes two separate types of Granular Activated Carbon (GAC) for potable water treatment. The two GAC's that PWD uses are: 1) Bituminous Coal based GAC from Calgon Carbon; Filtrasorb 400 (F-400). 2) Coconut Shell based GAC from Evoqua / Xylem; AquaCarb AC1230C. Below is more specific information on the two GAC’s PWD uses for water treatment: 1) The Bituminous Coal based GAC from Calgon Carbon; Filtrasorb 400 (F-400), is used for Total Organic Carbon (TOC) reduction. This reduction is primarily achieved by the adsorption of Natural Organic Material (NOM). The F-400 GAC is contained in 8 large GAC contactors and located at the 35 MGD Leslie O. Carter Water Treatment Plant (LOCWTP). Each GAC contactor measures 16’ x 55’ x 8’ and contains 7,040 ft3 of GAC. PWD regenerates the GAC in 4 contactors per year. 2) The Coconut Shell based GAC from Evoqua / Xylem; AquaCarb AC1230C GAC, is used for Total Trihalomethane (TTHM) removal. The AC1230C GAC is contained in a large pressure vessel located at the Upper El Camino Reservoir site and holds 30,000 lbs. of dry virgin GAC. PWD replaces the used GAC in the large pressure vessel every 2 years, and it is due to be replaced in 2025.

Details?

Posted: Sep 8, 2025
Response deadline: Oct 7, 2025, 7:00 AM UTC
Status: closed
Buyer: palmdalewater
Department: Operations
Jurisdiction: palmdalewater
Reference #: 2025-RFP-006

Summary: <p>The Palmdale Water District (PWD) is a Community Water System located in Palmdale, California that utilizes two separate types of Granular Activated Carbon (GAC) for potable water treatment.</p><p>
Is Paused: false
Template Title: Request for Proposals (Products and Services)
Copy Count: 0
Government Organization City: Palmdale
Government Organization Logo: https://assets.procurement.opengov.com/logos/pwd.jpeg
Government Organization Name: Palmdale Water District
Government Organization State: CA
Government Organization Website: https://www.palmdalewater.org/
Government Organization Zip Code: 93550
Government Organization Address1: 2029 E Avenue Q
Government Organization Timezone: America/Los_Angeles
Government Organization Country Code: US
Government Organization Phone Country: 1
Closed Substatus: awarded

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Raw record

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  "id": 171259,
  "_slug": "palmdalewater",
  "title": "Granular Activated Carbon (GAC) Services",
  "status": "closed",
  "summary": "<p>The Palmdale Water District (PWD) is a Community Water System located in Palmdale, California that utilizes two separate types of Granular Activated Carbon (GAC) for potable water treatment.</p><p>The two GAC's that PWD uses are:</p><p>1) Bituminous Coal based GAC from Calgon Carbon; Filtrasorb 400 (F-400).</p><p>2) Coconut Shell based GAC from Evoqua / Xylem; AquaCarb AC1230C.</p><p>Below is more specific information on the two GAC&rsquo;s PWD uses for water treatment:</p><p><br>1) &nbsp; The Bituminous Coal based GAC from Calgon Carbon; Filtrasorb 400 (F-400), is used for Total Organic Carbon (TOC) reduction. This reduction is primarily achieved by the adsorption of Natural Organic Material (NOM). The F-400 GAC is contained in 8 large GAC contactors and located at the 35 MGD Leslie O. Carter Water Treatment Plant (LOCWTP). &nbsp;Each GAC contactor measures 16&rsquo; x 55&rsquo; x 8&rsquo; and contains 7,040 ft3 of GAC. &nbsp;PWD regenerates the GAC in 4 contactors per year.</p><p><br>2) The Coconut Shell based GAC from Evoqua / Xylem; AquaCarb AC1230C GAC, is used for Total Trihalomethane (TTHM) removal. The AC1230C GAC is contained in a large pressure vessel located at the Upper El Camino Reservoir site and holds 30,000 lbs. of dry virgin GAC. PWD replaces the used GAC in the large pressure vessel every 2 years, and it is due to be replaced in 2025.</p>",
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  "created_at": "2025-05-20T13:58:26.136Z",
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  "proposalDeadline": "2025-10-07T07:00:00.000Z",
  "releaseProjectDate": "2025-09-08T07:00:00.000Z"
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