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Nodaway County, Missouri — public water systems

At a glance

12 active public water systems are filed under Nodaway County, Missouri in EPA's SDWIS records, together reporting 20,129 people served. The largest is Maryville Pws, which reports serving 10,775 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

20.1K

Community systems

12

Groundwater share

41.7%

How does Nodaway County compare with other Missouri counties?

Nodaway County has the 68th-most active public water systems among the 182 counties listed for active Missouri systems in EPA records; among the 132 with 3 or more systems, the median has 13. Its systems report 20,129 people served in total, the 48th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 1,677 people, about 18% below the Missouri average of 2,049. 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 Nodaway County's drinking water come from?

By primary water source, Nodaway County's active systems draw on purchased surface water (6, 50%), groundwater (5, 42%) and surface water (1, 8.3%). Overall, 42% rely mainly on groundwater (including purchased groundwater) and 58% on surface water, compared with 92% and 8.1% across Missouri. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Maryville Pws, draws primarily on surface water.

What kinds of water systems operate in Nodaway County?

Nodaway 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 Nodaway County

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Active public water systems in Nodaway County, Missouri
#Water systemCountyPopulation servedTypeSource
1Maryville PwsNodaway10,775CommunitySurface water
2Nodaway County Pwsd 1Nodaway6,428CommunityPurchased surface water
3Burlington Junction PwsNodaway630CommunityGroundwater
4Hopkins PwsNodaway550CommunityGroundwater
5Ravenwood PwsNodaway420CommunityGroundwater
6Skidmore PwsNodaway230CommunityPurchased surface water
7Barnard PwsNodaway220CommunityPurchased surface water
8Clearmont PwsNodaway210CommunityPurchased surface water
9Conception Junction PwsNodaway192CommunityGroundwater
10Graham PwsNodaway170CommunityGroundwater
11Elmo PwsNodaway169CommunityPurchased surface water
12Parnell PwsNodaway135CommunityPurchased surface water

Also serving Nodaway County

These systems serve several counties, including Nodaway County. EPA lists another county first for them, so they are not included in the counts above.

Multi-county water systems that also serve Nodaway County, Missouri
Water systemCountyPopulation servedTypeSource
Great Northwest Wholesale Water CommissAtchison + 10 more25CommunityPurchased groundwater

Nodaway County water systems: frequently asked questions

How many public water systems are in Nodaway County, Missouri?

EPA's SDWIS records file 12 active public water systems under Nodaway County, Missouri: 12 community systems (100%). At least 1 more system is listed under another county but also serve Nodaway County.

Who supplies drinking water in Nodaway County, MO?

The largest community water systems filed under Nodaway County are Maryville Pws (10,775 people served), Nodaway County Pwsd 1 (6,428 people served) and Burlington Junction Pws (630 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 Nodaway County's drinking water come from groundwater or surface water?

Of the 12 active public water systems in Nodaway County, 42% draw mainly on groundwater and 58% on surface water, counting purchased supplies. The largest system, Maryville Pws, uses surface water.

Where can I find a water quality report for Nodaway 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 Nodaway 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 Nodaway 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 Missouri 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 Nodaway County, Missouri”, https://aquacensus.com/water-systems/missouri/nodaway (data as of October 1, 2026).