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Nowata County, Oklahoma — public water systems

At a glance

12 active public water systems are filed under Nowata County, Oklahoma in EPA's SDWIS records, together reporting 10,195 people served. The largest is Nowata Municipal Authority, which reports serving 3,971 people. All 12 are community water systems serving people where they live.

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

Active systems

12

Population served

10.2K

Community systems

12

Groundwater share

0%

How does Nowata County compare with other Oklahoma counties?

Nowata County has the 37th-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 10,195 people served in total, the 54th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 850 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 Nowata County's drinking water come from?

By primary water source, Nowata County's active systems draw on purchased surface water (9, 75%) and surface water (3, 25%). Overall, none rely mainly on groundwater (including purchased groundwater) and all on surface water, compared with 62% and 38% across Oklahoma. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Nowata Municipal Authority, draws primarily on surface water.

What kinds of water systems operate in Nowata County?

Nowata County's active systems break down as 12 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 (100%).

Water systems in Nowata County

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Active public water systems in Nowata County, Oklahoma
#Water systemCountyPopulation servedTypeSource
1Nowata Municipal AuthorityNowata3,971CommunitySurface water
2Consolidated Rwd #1 Nowata and Rogers CoNowata1,580CommunityPurchased surface water
3Nowata Co Rwd #7Nowata1,050CommunityPurchased surface water
4South CoffeyvilleNowata790CommunityPurchased surface water
5Elm Bend Rwd Inc.Nowata600CommunityPurchased surface water
6Nowata Co Rw & S Dist #1Nowata500CommunityPurchased surface water
7DelawareNowata456CommunitySurface water
8Nowata Co Rwd #6Nowata450CommunityPurchased surface water
9Lenapah Public Works AuthorityNowata298CommunitySurface water
10Nowata County Rwd # 3Nowata225CommunityPurchased surface water
11Nowata Co Rwd #2Nowata205CommunityPurchased surface water
12Nowata Co Rwd #5Nowata70CommunityPurchased surface water

Nowata County water systems: frequently asked questions

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

EPA's SDWIS records file 12 active public water systems under Nowata County, Oklahoma: 12 community systems (100%).

Who supplies drinking water in Nowata County, OK?

The largest community water systems filed under Nowata County are Nowata Municipal Authority (3,971 people served), Consolidated Rwd #1 Nowata and Rogers Co (1,580 people served) and Nowata Co Rwd #7 (1,050 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 Nowata County's drinking water come from groundwater or surface water?

Of the 12 active public water systems in Nowata County, none draw mainly on groundwater and all on surface water, counting purchased supplies. The largest system, Nowata Municipal Authority, uses surface water.

Where can I find a water quality report for Nowata 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. 12 community systems are filed under Nowata 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 Nowata 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 Nowata County, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/nowata (data as of October 1, 2026).