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Caddo County, Oklahoma — public water systems

At a glance

31 active public water systems are filed under Caddo County, Oklahoma in EPA's SDWIS records, together reporting 22,748 people served. The largest is Anadarko Public Works Authority, which reports serving 6,804 people. 15 are community water systems serving people where they live; the other 16 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

31

Population served

22.7K

Community systems

15

Groundwater share

96.8%

How does Caddo County compare with other Oklahoma counties?

Caddo County has the 6th-most active public water systems among the 92 counties listed for active Oklahoma systems in EPA records; among the 78 with 3 or more systems, the median has 11. Its systems report 22,748 people served in total, the 35th-largest county figure in the state and 0.6% of the statewide total. The average system here reports serving 734 people, well below the Oklahoma average of 2,907. 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 Caddo County's drinking water come from?

By primary water source, Caddo County's active systems draw on groundwater (28, 90%), purchased groundwater (2, 6.5%) and surface water (1, 3.2%). Overall, 97% rely mainly on groundwater (including purchased groundwater) and 3.2% on surface water, compared with 62% and 38% across Oklahoma. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Anadarko Public Works Authority, draws primarily on surface water.

What kinds of water systems operate in Caddo County?

Caddo County's active systems break down as 15 community systems (48%), 1 non-transient non-community systems (3.2%) and 15 transient non-community systems (48%). 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 local government (52%), private (29%) and state government (19%).

Water systems in Caddo County

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Active public water systems in Caddo County, Oklahoma
#Water systemCountyPopulation servedTypeSource
1Anadarko Public Works AuthorityCaddo6,804CommunitySurface water
2Caddo Co Rwd #3Caddo3,900CommunityGroundwater
3HintonCaddo2,600CommunityGroundwater
4CarnegieCaddo1,637CommunityGroundwater
5ApacheCaddo1,521CommunityGroundwater
6CyrilCaddo1,168CommunityPurchased groundwater
7Hydro PwaCaddo1,060CommunityGroundwater
8Binger PwaCaddo708CommunityGroundwater
9Fort CobbCaddo667CommunityGroundwater
10CementCaddo530CommunityPurchased groundwater
11Gracemont PwaCaddo336CommunityGroundwater
12Eakly Development CorpCaddo277CommunityGroundwater
13Caddo Co Rwd #1 (Lookeba)Caddo275CommunityGroundwater
14Cedar Hills CampCaddo250Transient non-communityGroundwater
15Lookeba Sickles SchoolCaddo250Non-transient non-communityGroundwater
16Deck Boat SteakhouseCaddo150Transient non-communityGroundwater
17BridgeportCaddo109CommunityGroundwater
18Red Rock Canyon Adventure ParkCaddo100Transient non-communityGroundwater
19Fort Cobb Sp Blackjack CoveCaddo50Transient non-communityGroundwater
20Chickasha Lake ParkCaddo50CommunityGroundwater
21Lyndsay'S TavernCaddo49Transient non-communityGroundwater
22Canyon Brook Rv ParkCaddo30Transient non-communityGroundwater
23The Roost Lake Store, LLCCaddo26Transient non-communityGroundwater
24Easter Lakeside MotelCaddo26Transient non-communityGroundwater
25Fort Cobb Sp Deer RunCaddo25Transient non-communityGroundwater
26Fort Cobb Sp Sunset CoveCaddo25Transient non-communityGroundwater
27Fort Cobb Sp Whites Catfish CoveCaddo25Transient non-communityGroundwater
28Nowhere Bait ShopCaddo25Transient non-communityGroundwater
29Cobb Creek CafeCaddo25Transient non-communityGroundwater
30Fort Cobb Sp Tent HillCaddo25Transient non-communityGroundwater
31Fort Cobb Sp Eagles NestCaddo25Transient non-communityGroundwater

Caddo County water systems: frequently asked questions

How many public water systems are in Caddo County, Oklahoma?

EPA's SDWIS records file 31 active public water systems under Caddo County, Oklahoma: 15 community systems (48%), 1 non-transient non-community systems (3.2%) and 15 transient non-community systems (48%).

Who supplies drinking water in Caddo County, OK?

The largest community water systems filed under Caddo County are Anadarko Public Works Authority (6,804 people served), Caddo Co Rwd #3 (3,900 people served) and Hinton (2,600 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 Caddo County's drinking water come from groundwater or surface water?

Of the 31 active public water systems in Caddo County, 97% draw mainly on groundwater and 3.2% on surface water, counting purchased supplies. The largest system, Anadarko Public Works Authority, uses surface water.

Where can I find a water quality report for Caddo 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. 15 community systems are filed under Caddo 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 Caddo 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 Oklahoma 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 Caddo County, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/caddo (data as of October 1, 2026).