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Clark County, Arkansas — public water systems

At a glance

9 active public water systems are filed under Clark County, Arkansas in EPA's SDWIS records, together reporting 21,365 people served. The largest is Arkadelphia Waterworks, which reports serving 11,855 people. All 9 are community water systems serving people where they live.

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

Active systems

9

Population served

21.4K

Community systems

9

Groundwater share

33.3%

How does Clark County compare with other Arkansas counties?

Clark County has the 41st-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 21,365 people served in total, the 32nd-largest county figure in the state and 0.7% of the statewide total. The average system here reports serving 2,374 people, about 34% 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 Clark County's drinking water come from?

By primary water source, Clark County's active systems draw on purchased surface water (4, 44%), surface water (2, 22%), groundwater (2, 22%) and purchased groundwater (1, 11%). Overall, 33% rely mainly on groundwater (including purchased groundwater) and 67% on surface water, compared with 63% and 37% across Arkansas. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Arkadelphia Waterworks, draws primarily on surface water.

What kinds of water systems operate in Clark County?

Clark County's active systems break down as 9 community systems (100%). 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. EPA lists their owner types as local government (78%) and private (22%).

Water systems in Clark County

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Active public water systems in Clark County, Arkansas
#Water systemCountyPopulation servedTypeSource
1Arkadelphia WaterworksClark11,855CommunitySurface water
2Gurdon WaterworksClark2,988CommunityGroundwater
3Clark County Country Water FacilitiesClark2,403CommunityPurchased surface water
4River Valley Water AssnClark1,207CommunityPurchased surface water
5Alpine Water AssociationClark750CommunityPurchased surface water
6Okolona WaterworksClark562CommunityGroundwater
7Whelen Springs Water DeptClark559CommunityPurchased groundwater
8Caddo Valley WaterworksClark535CommunityPurchased surface water
9Amity WaterworksClark506CommunitySurface water

Clark County water systems: frequently asked questions

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

EPA's SDWIS records file 9 active public water systems under Clark County, Arkansas: 9 community systems (100%).

Who supplies drinking water in Clark County, AR?

The largest community water systems filed under Clark County are Arkadelphia Waterworks (11,855 people served), Gurdon Waterworks (2,988 people served) and Clark County Country Water Facilities (2,403 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 Clark County's drinking water come from groundwater or surface water?

Of the 9 active public water systems in Clark County, 33% draw mainly on groundwater and 67% on surface water, counting purchased supplies. The largest system, Arkadelphia Waterworks, uses surface water.

Where can I find a water quality report for Clark 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. 9 community systems are filed under Clark 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 Clark 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 Clark County, Arkansas”, https://aquacensus.com/water-systems/arkansas/clark (data as of October 1, 2026).