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Region M - Rio Grande
Regional Facts
Major Cities | Laredo, Brownsville, Harlingen, McAllen |
| Primary Rivers | Rio Grande, Nueces-Rio Grande |
| Major Aquifers | Gulf Coast, Carrizo-Wilcox |
| Annual Precipitation | 20-28 Inches |
| Net Evaporation | 40-64 Inches |
2011 Regional Water Plan
Read the 2011 Regional Water Plan: http://www.twdb.state.tx.us/wrpi/rwp/3rdround/2011RWP.asp
Additional Resources
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Find out what is happening in Region M. Meeting information and planning documents are posted on the TWDB website.
Go to TWDB's Region M page.
Here are just a few things you can do.
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Find Your Water
