Dona Ana County, New Mexico — public water systems

How does Dona Ana County compare with other New Mexico counties?

Dona Ana County has the 4th-most active public water systems among the 49 counties listed for active New Mexico systems in EPA records; among the 31 with 3 or more systems, the median has 23. Its systems report 254,574 people served in total, the 2nd-largest county figure in the state and 12% of the statewide total. The average system here reports serving 3,744 people, about twice the New Mexico average of 1,885. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Dona Ana County's drinking water come from?

By primary water source, Dona Ana County's active systems draw on groundwater (66, 97%) and purchased groundwater (2, 2.9%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 93% and 7.2% across New Mexico. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Las Cruces Municipal Water System, draws primarily on groundwater.

What kinds of water systems operate in Dona Ana County?

Dona Ana County's active systems break down as 45 community systems (66%), 7 non-transient non-community systems (10%) and 16 transient non-community systems (24%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (51%), local government (34%), federal government (8.8%) and state government (5.9%).