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Iron County, Missouri — public water systems

At a glance

23 active public water systems are filed under Iron County, Missouri in EPA's SDWIS records, together reporting 6,544 people served. The largest is Mo American Ironton, which reports serving 1,460 people. 10 are community water systems serving people where they live; the other 13 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

23

Population served

6.5K

Community systems

10

Groundwater share

95.7%

How does Iron County compare with other Missouri counties?

Iron County has the 37th-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 6,544 people served in total, the 94th-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 285 people, well 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 Iron County's drinking water come from?

By primary water source, Iron County's active systems draw on groundwater (21, 91%), surface water (1, 4.3%) and purchased groundwater (1, 4.3%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 4.3% on surface water, compared with 92% and 8.1% across Missouri. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Mo American Ironton, draws primarily on surface water.

What kinds of water systems operate in Iron County?

Iron County's active systems break down as 10 community systems (43%), 4 non-transient non-community systems (17%) and 9 transient non-community systems (39%). 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 private (65%), local government (26%), state government (4.3%) and federal government (4.3%).

Water systems in Iron County

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Active public water systems in Iron County, Missouri
#Water systemCountyPopulation servedTypeSource
1Mo American IrontonIron1,460CommunitySurface water
2Pilot Knob Rural Wd 1 N & SIron839CommunityPurchased groundwater
3Pilot Knob PwsIron746CommunityGroundwater
4Viburnum PwsIron639CommunityGroundwater
5Arcadia PwsIron607CommunityGroundwater
6Doe Run Company Buick SmelterIron311Non-transient non-communityGroundwater
7Annapolis PwsIron300CommunityGroundwater
8Killarney Shores SubdIron203CommunityGroundwater
9Bixby Country StoreIron150Transient non-communityGroundwater
10Belleview Elementary SchoolIron150Non-transient non-communityGroundwater
11Belleview Valley Nursing HomeIron140CommunityGroundwater
12Usfs Council Bluff BeachIron125Transient non-communityGroundwater
13Big Creek Rv ParkIron125Transient non-communityGroundwater
14Lake Hanna AssnIron + 1 more120CommunityGroundwater
15Baptist HomeIron110CommunityGroundwater
16Camp PenuelIron110Transient non-communityGroundwater
17Doe Run Company Viburnum 35Iron104Non-transient non-communityGroundwater
18Doe Run County Buick Mine MillIron100Non-transient non-communityGroundwater
1921 ExpressIron75Transient non-communityGroundwater
20Black River HideawayIron50Transient non-communityGroundwater
21Pine Trails CampgroundIron30Transient non-communityGroundwater
22Taum Sauk State ParkIron25Transient non-communityGroundwater
23Doe Run Country ClubIron25Transient non-communityGroundwater

Iron County water systems: frequently asked questions

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

EPA's SDWIS records file 23 active public water systems under Iron County, Missouri: 10 community systems (43%), 4 non-transient non-community systems (17%) and 9 transient non-community systems (39%).

Who supplies drinking water in Iron County, MO?

The largest community water systems filed under Iron County are Mo American Ironton (1,460 people served), Pilot Knob Rural Wd 1 N & S (839 people served) and Pilot Knob Pws (746 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 Iron County's drinking water come from groundwater or surface water?

Of the 23 active public water systems in Iron County, 96% draw mainly on groundwater and 4.3% on surface water, counting purchased supplies. The largest system, Mo American Ironton, uses surface water.

Where can I find a water quality report for Iron 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. 10 community systems are filed under Iron 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 Iron 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 Iron County, Missouri”, https://aquacensus.com/water-systems/missouri/iron (data as of October 1, 2026).