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Military Highway Water Supply Corporation

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Sites of Interest

Hidalgo County TX Water Conservation

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Military Highway Water Supply Corporation
4000 US-281
Mercedes, TX 78570

(956) 565-2491

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Office Hours

Monday- Friday 8:15 am - 4:45 pm
(12 pm - 1 pm)
Drive Thru Lanes Only

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Alert

08/15/2025 Water is closed near El Zacatal along Hwy 281

08/15/2025

08/15/2025 Water is closed near El Zacatal along Hwy 281 for 1 1/2 hours. MHWSC Crew is repairing a leak.

Alerts

08/15/2025 Water is closed near El Zacatal along Hwy 281

08/15/2025

08/15/2025 Water is closed near El Zacatal along Hwy 281 for 1 1/2 hours. MHWSC Crew is repairing a leak.

Please Conserve Water During Peak Hours (6pm-10pm)

08/11/2023

Military Highway Water Supply Corporation is urging its residents to please conserve water during peak hours of 6:00PM to 10:00PM.

Extremely high temperatures are challenging our water plants the ability to meet demand. Please do your part and help conserve this valuable resource.