Public water system · MO6036015
ActiveGasconade Pwsd #1
At a glance
Gasconade Pwsd #1 (PWSID MO6036015) is an active community water system in Gasconade County, Missouri. It reports serving 450 people through 180 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, 2 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
450
Service connections
180
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Gasconade Pwsd #1 compare with other water systems in Gasconade County?
By EPA's size categories, Gasconade Pwsd #1 is a very small system (500 people or fewer). Gasconade County has 17 active public water systems, and Gasconade Pwsd #1 is the 4th-largest of them by population served. Its population served is roughly in line with the county average of 472 people per system, and accounts for 5.6% of the 8,020 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Gasconade Pwsd #1 is well below that figure.
What does “community water system” mean?
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. Missouri has 1,612 active community water systems, 55% 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 Gasconade Pwsd #1?
EPA lists Gasconade Pwsd #1 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. 11 of the 17 active systems in Gasconade County (65%) are also privately owned.
Does Gasconade Pwsd #1 have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2025. The violations listed here began between October 2013 and July 2025. By type: 5 public notice, recordkeeping or other, 3 monitoring, 2 contaminant level above the legal limit, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2023-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2015-01-25 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | 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.
Gasconade Pwsd #1: frequently asked questions
Who runs Gasconade Pwsd #1?
Gasconade Pwsd #1 (PWSID MO6036015) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Gasconade Pwsd #1 serve?
Gasconade Pwsd #1 reports serving 450 people through 180 service connections in Gasconade County, Missouri.
Where does Gasconade Pwsd #1 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 Gasconade Pwsd #1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2025. 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 Gasconade Pwsd #1'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, 2 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Gasconade Pwsd #1's water quality report?
As a community water system, Gasconade Pwsd #1 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Gasconade County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Owensville Pws | Gasconade | 2,800 | Community | Groundwater |
| Hermann Pws | Gasconade | 2,500 | Community | Groundwater |
| Bland Pws | Gasconade | 539 | Community | Groundwater |
| Confluence Rivers Gascony Village | Gasconade | 414 | Community | Groundwater |
| Rosebud Pws | Gasconade | 410 | Community | Groundwater |
| Gasconade Pws | Gasconade | 280 | 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, “Gasconade Pwsd #1, PWSID MO6036015, Missouri”, https://aquacensus.com/water-systems/missouri/gasconade-pwsd-1-mo6036015 (data as of October 1, 2026).