IMPORTANT REMINDER: Your deadline to submit all reimbursement requests and required documentation into the MCWI Reimbursement Portal is no later than August 31, 2026. For important deadlines please click here.

Mississippi Municipality & County Water Infrastructure Grant Program

The Mississippi Legislature and Governor Tate Reeves created the Mississippi Municipality & County Water Infrastructure Grant Program Act (MCWI) to provide approximately $450 Million of matching funds to eligible entities for making necessary investments in water, waste water and stormwater infrastructure. All funds must be obligated by August 30, 2024, and expended by September 30, 2026. The program is a reimbursement-based program where subrecipients can submit reimbursement requests for eligible costs incurred on approved projects.

Grant/Reimbursement Portal

MCWI Subrecipient Informational Webinar 2.27.24

Download Presentation Slides

MCWI Subrecipient Webinar Questions 2.27.24

Important Deadlines

Notices	Dates
Reimbursement requests for expenses incurred through June 30, 2025 are now PAST DUE	DUE IMMEDIATELY
Deadline to submit all procurement files for review	May 31, 2026
Per Section 7(c)(i) of the subaward, invoices for expenses incurred as of June 30, 2026 are required to be submitted by July 31, 2026	July 31, 2026
LAST DAY TO SUBMIT REIUMBURSEMENT REQUESTS IN THE MCWI PORTAL	August 31, 2026
MDEQ deadline to submit requests to DFA for payment	September 8, 2026
Subrecipients deadline to pay invoices	October 31, 2026
Proof of payment for all invoices to be uploaded in the MCWI portal	November 30, 2026
MCWI Program Closes	April 30, 2027

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Frequently Asked Questions

Download the list of FAQs

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Recent Updates

06-20-24 – MOU Obligation information

6-20-2024 – MOU Obligation information

01-02-24 - MCWI preliminary compliance review

MCWI Preliminary Procurement Compliance Review

04-20-23 - Senate Bill No. 2444

Senate Bill No. 2444 to revise the Mississippi Municipality and County Water Infrastructure Grant Program

03-30-23 - FAQ Update

The FAQ document was updated to reflect changes.

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Senate Bill No. 2444 to revise the Mississippi Municipality and County Water Infrastructure Grant Program administered by the Mississippi Department of Environmental Quality.

Senate Bill No. 2444

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Senate Bill No. 2822 to establish the Mississippi Municipality and County Water Infrastructure Grant Program Act of 2022 administered by the Mississippi Department of Environmental Quality.

Senate Bill No. 2822

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These regulations, adopted pursuant to Senate Bill No. 2822, shall govern the Mississippi Municipality and County Water Infrastructure (MCWI) Grant Program and its implementation.

Regulations

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The Coronavirus State and Local Fiscal Recovery Funds (SLFRF) program, a part of the American Rescue Plan, delivers $350 billion to state, local, and Tribal governments across the country.

Treasury.gov Guidelines

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Coronavirus State & Local Fiscal Recovery Funds: Overview of the Final Rule U.S. from the Department of The Treasury – a simplified user guide to the final rule provisions.

Summary of Final Rule

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The Secretary of the Treasury is issuing an interim final rule to implement the amendments made by the Consolidated Appropriations Act, 2023.

2023 Interim Final Rule

Quick Reference Guide

Subrecipient Compliance

Subrecipeints awarded MCWI Grant funds are required to comply with all terms and conditions outlined in their Subaward Agreement(s) to receive reimbursement for eligible costs incurred on their project(s). These requirements include, but are not limited to, submission of all required procurement and reimbursement documentation, and all quarterly and final progress reports for all MCWI projects. It is the duty of the subrecipient to submit the required documentation into the Grant Portal. If you have any questions please contact: [email protected]

Disclaimer

This page will serve as an information hub for applicants, subrecipients, and interested parties for the life of the program. It will be periodically updated with information provided by the U.S. Treasury as well as pertinent information specific to the program as may be determined by MDEQ. Subrecipients should not use this site as their sole basis for knowledge regarding federal requirements associated with ARPA programs.