Welcome to North Alamo Water Supply Corporation

We at North Alamo Water Supply Corporation (NAWSC) feel it is a privilege to provide safe drinking water and wastewater utility service for eastern Hidalgo County, Willacy County, and northwestern Cameron County. Our “community” encompasses 973 square miles in which we operate six surface (river) water treatment plants and four reverse osmosis treatment plants for underground water. With 43,200 meter connections in the system, we serve households, numerous businesses and county facilities, 31 schools, and 15 other public water systems.

In addition, we operate four wastewater treatment plants and eight sewer collection systems, including 23 lift stations (facilities that move wastewater from a lower to a higher elevation). The 3,261 connections provide wastewater services for households, numerous businesses, and 13 schools.

Requesting Water Services
Applications are taken from Monday through Friday from 8:30 am to 4 pm. Please have the application...


Information on rules, regulations, tariff and fees.


Notice To All Members:

February 11, 2017 is the deadline to accept director’s applications and petitions.