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Public water system · MO5191387

Active

Theodosia Marina Resort Inc.

At a glance

Theodosia Marina Resort Inc. (PWSID MO5191387) is an active transient non-community water system in Ozark County, Missouri. It reports serving 275 people through 94 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2022.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

275

Service connections

94

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMO5191387
System typeTransient non-community water system
Activity statusActive
Population served275
Service connections94
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMO state drinking water program
City served—
StateMissouri
ZIP—
CountyOzark County

How does Theodosia Marina Resort Inc. compare with other water systems in Ozark County?

By EPA's size categories, Theodosia Marina Resort Inc. is a very small system (500 people or fewer). Ozark County has 25 active public water systems. Its population served is about 60% above the county average of 172 people per system, and accounts for 6.4% of the 4,293 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Theodosia Marina Resort Inc. is about twice that figure.

What does “transient non-community water system” mean?

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. Missouri has 1,103 active transient non-community water systems, 37% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.

Who owns and regulates Theodosia Marina Resort Inc.?

EPA lists Theodosia Marina Resort Inc. as privately owned. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 15 of the 25 active systems in Ozark County (60%) are also privately owned.

Does Theodosia Marina Resort Inc. have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2022. The violations listed here began between June 2004 and September 2022. By type: 7 monitoring and reporting, 2 monitoring, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2022-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-08-05Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2014-07-01Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoUnaddressed
2014-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2014-06-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2014-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-07-31Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2008-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Theodosia Marina Resort Inc.: frequently asked questions

Who runs Theodosia Marina Resort Inc.?

Theodosia Marina Resort Inc. (PWSID MO5191387) is a transient non-community water system privately owned. It is regulated by the MO state drinking water program.

How many people does Theodosia Marina Resort Inc. serve?

Theodosia Marina Resort Inc. reports serving 275 people through 94 service connections in Ozark County, Missouri.

Where does Theodosia Marina Resort Inc. get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Theodosia Marina Resort Inc. have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Theodosia Marina Resort Inc.'s water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2022. For current results, consult EPA ECHO, or the MO state drinking water program.

Where can I find Theodosia Marina Resort Inc.'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Theodosia Marina Resort Inc. is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Ozark County

Water systemCountyPopulation servedTypeSource
Gainesville PwsOzark742CommunityGroundwater
Cloud 9 Ranch Club Inc.Ozark485Non-transient non-communityGroundwater
Dora R Iii SchoolsOzark421Non-transient non-communityGroundwater
Usace Pontiac Boat Dock Inc.Ozark400Transient non-communityGroundwater
Rainbow Trout & Game RanchOzark331Non-transient non-communityGroundwater
Bakersfield PwsOzark303CommunityGroundwater

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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, “Theodosia Marina Resort Inc., PWSID MO5191387, Missouri”, https://aquacensus.com/water-systems/missouri/theodosia-marina-resort-inc-mo5191387 (data as of October 1, 2026).