Public water system · MO5191312
ActiveCalm Waters Resort
At a glance
Calm Waters Resort (PWSID MO5191312) is an active transient non-community water system in Stone County, Missouri. It reports serving 80 people through 12 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 October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
12
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Calm Waters Resort compare with other water systems in Stone County?
By EPA's size categories, Calm Waters Resort is a very small system (500 people or fewer). Stone County has 228 active public water systems. Its population served is about 61% below the county average of 203 people per system, and accounts for 0.2% of the 46,191 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 Calm Waters Resort is about 44% below 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 Calm Waters Resort?
EPA lists Calm Waters Resort 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. 213 of the 228 active systems in Stone County (93%) are also privately owned.
Does Calm Waters Resort have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2021. The violations listed here began between November 2015 and October 2021. By type: 7 public notice, recordkeeping or other, 3 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-10-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2020-04-01 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Unaddressed |
| 2018-06-06 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2017-01-06 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-01-06 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-10-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-09-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-12-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-11-12 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-11-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
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.
Calm Waters Resort: frequently asked questions
Who runs Calm Waters Resort?
Calm Waters Resort (PWSID MO5191312) is a transient non-community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Calm Waters Resort serve?
Calm Waters Resort reports serving 80 people through 12 service connections in Stone County, Missouri.
Where does Calm Waters Resort 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 Calm Waters Resort 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 October 2021. 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 Calm Waters Resort'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 October 2021. For current results, consult EPA ECHO, or the MO state drinking water program.
Where can I find Calm Waters Resort's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Calm Waters Resort 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 Stone County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Silver Dollar City Marvel Cave | Stone | 8,501 | Non-transient non-community | Groundwater |
| Mo American Stonebridge Village | Stone | 2,100 | Community | Groundwater |
| Stone County Pwsd 1 | Stone | 2,052 | Community | Groundwater |
| Kanakuk Kamp No 2 | Stone | 2,000 | Transient non-community | Groundwater |
| Pwsd 2 of Stone County 265 | Stone | 1,535 | Community | Groundwater |
| Crane Pws | Stone | 1,495 | Community | Groundwater |
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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, “Calm Waters Resort, PWSID MO5191312, Missouri”, https://aquacensus.com/water-systems/missouri/calm-waters-resort-mo5191312 (data as of October 1, 2026).