Public water system · MO6021633
ActiveSt Charles County Pwsd 2 North Oak Dr
At a glance
St Charles County Pwsd 2 North Oak Dr (PWSID MO6021633) is an active community water system in Warren County, Missouri. It reports serving 660 people through 235 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
660
Service connections
235
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does St Charles County Pwsd 2 North Oak Dr compare with other water systems in Warren County?
By EPA's size categories, St Charles County Pwsd 2 North Oak Dr is a small system (501 to 3,300 people). Warren County has 27 active public water systems. Its population served is about 12% below the county average of 749 people per system, and accounts for 3.3% of the 20,217 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 St Charles County Pwsd 2 North Oak Dr 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 St Charles County Pwsd 2 North Oak Dr?
EPA lists St Charles County Pwsd 2 North Oak Dr as owned by a local government. 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. 9 of the 27 active systems in Warren County (33%) are also owned by a local government.
Does St Charles County Pwsd 2 North Oak Dr have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. The violations listed here began between July 2019 and January 2024. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Haloacetic acids (HAA5), Total trihalomethanes (TTHM) and Consumer Confidence Rule. EPA lists 3 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 3 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.
St Charles County Pwsd 2 North Oak Dr: frequently asked questions
Who runs St Charles County Pwsd 2 North Oak Dr?
St Charles County Pwsd 2 North Oak Dr (PWSID MO6021633) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does St Charles County Pwsd 2 North Oak Dr serve?
St Charles County Pwsd 2 North Oak Dr reports serving 660 people through 235 service connections in Warren County, Missouri.
Where does St Charles County Pwsd 2 North Oak Dr 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 St Charles County Pwsd 2 North Oak Dr have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. 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 St Charles County Pwsd 2 North Oak Dr'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. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find St Charles County Pwsd 2 North Oak Dr's water quality report?
As a community water system, St Charles County Pwsd 2 North Oak Dr 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 Warren County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Warrenton Pws | Warren | 8,208 | Community | Groundwater |
| St Charles Co Pwsd #2 Wright City | Warren | 3,550 | Community | Groundwater |
| Marthasville Pws | Warren | 1,200 | Community | Groundwater |
| St Charles County Pwsd 2 Warren | Warren | 1,192 | Community | Groundwater |
| American Foods Group | Warren | 1,100 | Non-transient non-community | Groundwater |
| Lake Sherwood Subd | Warren | 1,100 | 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, “St Charles County Pwsd 2 North Oak Dr, PWSID MO6021633, Missouri”, https://aquacensus.com/water-systems/missouri/st-charles-county-pwsd-2-north-oak-dr-mo6021633 (data as of October 1, 2026).