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Izard County, Arkansas — public water systems

At a glance

9 active public water systems are filed under Izard County, Arkansas in EPA's SDWIS records, together reporting 13,182 people served. The largest is Melbourne Waterworks, which reports serving 4,126 people. 8 are community water systems serving people where they live; the other 1 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

9

Population served

13.2K

Community systems

8

Groundwater share

88.9%

How does Izard County compare with other Arkansas counties?

Izard County has the 39th-most active public water systems among the 83 counties listed for active Arkansas systems in EPA records; among the 72 with 3 or more systems, the median has 10. Its systems report 13,182 people served in total, the 51st-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 1,465 people, about 59% below the Arkansas average of 3,592. 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 Izard County's drinking water come from?

By primary water source, Izard County's active systems draw on groundwater (6, 67%), groundwater under influence of surface water (2, 22%) and purchased surface water (1, 11%). Overall, 89% rely mainly on groundwater (including purchased groundwater) and 11% on surface water, compared with 63% and 37% across Arkansas. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Melbourne Waterworks, draws primarily on groundwater.

What kinds of water systems operate in Izard County?

Izard County's active systems break down as 8 community systems (89%) and 1 transient non-community systems (11%). 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 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 local government (78%), state government (11%) and private (11%).

Water systems in Izard County

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Active public water systems in Izard County, Arkansas
#Water systemCountyPopulation servedTypeSource
1Melbourne WaterworksIzard4,126CommunityGroundwater
2Horseshoe Bend WaterworksIzard3,217CommunityGroundwater
3Calico Rock WaterworksIzard1,726CommunityGroundwater under influence of surface water
4Oxford WaterworksIzard1,402CommunityGroundwater
5Mt Pleasant WaterworksIzard1,338CommunityGroundwater under influence of surface water
6Ar Dept of Correction Izard CoIzard907CommunityGroundwater
7Guion Water DepartmentIzard249CommunityPurchased surface water
8Franklin WaterworksIzard192CommunityGroundwater
9Easy K RanchIzard25Transient non-communityGroundwater

Izard County water systems: frequently asked questions

How many public water systems are in Izard County, Arkansas?

EPA's SDWIS records file 9 active public water systems under Izard County, Arkansas: 8 community systems (89%) and 1 transient non-community systems (11%).

Who supplies drinking water in Izard County, AR?

The largest community water systems filed under Izard County are Melbourne Waterworks (4,126 people served), Horseshoe Bend Waterworks (3,217 people served) and Calico Rock Waterworks (1,726 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Izard County's drinking water come from groundwater or surface water?

Of the 9 active public water systems in Izard County, 89% draw mainly on groundwater and 11% on surface water, counting purchased supplies. The largest system, Melbourne Waterworks, uses groundwater.

Where can I find a water quality report for Izard County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 8 community systems are filed under Izard County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Izard County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Arkansas water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Izard County, Arkansas”, https://aquacensus.com/water-systems/arkansas/izard (data as of October 1, 2026).