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Service Line Inventory Form for Public Water Systems
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What is the purpose of this template?

This template is required for community and non-transient non-community public water systems to comply with the service line inventory requirements of the January 15, 2021, Lead and Copper Rule Revisions (LCRR). This template provides fillable forms and tables for public water systems (systems) to document their methods, organize their inventory, submit the initial inventory and inventory updates electronically to the TCEQ, and document how they are making the inventory publicly available. Refer to the Lead and Copper Rule Revisions rule language in 40 CFR § 141 Subpart I and the EPA's Guidance for Developing and Maintaining a Service Line Inventory for minimum LCRR requirements and recommendations.

For questions, please contact LCRR@tceq.texas.gov or call (512) 239-4691. The financial, managerial, and technical (FMT) assistance program can provide additional assistance and can be reached (512) 239-4691 or FMT@tceq.texas.gov.

Submit the completed lead service line inventory electronically. For file sizes larger than 25 megabytes (MB), the TCEQ File Transfer Protocol Secure (FTPS) site is available at https://ftps.tceq.texas.gov/index.php.
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How is the template organized?
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The worksheets in this template are color coded:
Yellow worksheets are instructions and background.
Dark blue worksheets are templates for systems.


See the table below for a description of each worksheet.
The cells in this template are also color coded:
Gray cells are background or instructions.
Light blue cells are fillable cells for systems.
Aqua cells are required.
X Required cells are further denoted using a superscript x.
‡ Conditionally required are denoted using a superscript ‡.
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Template Organization
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Worksheet TypeWorksheet NameDescription
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BackgroundTemplate InstructionsContains detailed instructions for systems.
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Classifying SLsSummarizes requirements for classifying the entire service line (SL) when ownership is split (i.e., when the system owns a portion and the customer owns a portion).
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Templates for SystemsPWS InformationFor systems to document basic system information.
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Inventory MethodsFor systems to document the methods and resources they used to develop and update the inventory.
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Inventory SummaryFor systems to provide a summary of their service line inventory, including information on ownership, inventory format, and the number of service lines for each of the four required materials classifications. Systems can enter the totals into this worksheet or automatically generate totals based on information in the Detailed Inventory worksheet.
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Detailed InventoryFor system to track materials for each service line in their distribution system. Each row equals one service line connecting the water main to the customer's plumbing. Separate columns track location information, the system-owned portion, the customer-owned portion, other possible sources of lead, information for assigning a tap sample tiering classification, and information for lead service line replacement (LSLR).
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Public AccessibilityFor systems to provide documentation to TCEQ on how they met the public accessibility requirements of the LCRR.
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CertificationFor systems to provide certification to TCEQ on the completion of their service line inventory.
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TCEQ-20943 (Rev. 12/1/2022)
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