Public water system · MO3010152
ActiveCentralia Pws
At a glance
Centralia Pws (PWSID MO3010152) is an active community water system in Boone County, Missouri. It reports serving 4,027 people through 2,108 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,027
Service connections
2,108
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Centralia Pws compare with other water systems in Boone County?
By EPA's size categories, Centralia Pws is a medium system (3,301 to 10,000 people). Boone County has 13 active public water systems. Its population served is well below the county average of 17,685 people per system, and accounts for 1.8% of the 229,905 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 Centralia Pws is about 40% 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 Centralia Pws?
EPA lists Centralia Pws 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 13 active systems in Boone County (69%) are also owned by a local government.
Does Centralia Pws have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 2020. The violations listed here began between August 2001 and July 2020. By type: 3 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-07-01 | 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 |
| 2001-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Centralia Pws: frequently asked questions
Who runs Centralia Pws?
Centralia Pws (PWSID MO3010152) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Centralia Pws serve?
Centralia Pws reports serving 4,027 people through 2,108 service connections in Boone County, Missouri.
Where does Centralia Pws 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 Centralia Pws have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 2020. 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 Centralia Pws' 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 4 violations for this system; 1 is health-based, and the most recent began in July 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Centralia Pws' water quality report?
As a community water system, Centralia Pws 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 Boone County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Columbia Utilities | Boone | 126,254 | Community | Groundwater |
| University of Missouri Columbia | Boone | 40,000 | Community | Groundwater |
| Boone County Cons Pwsd 1 | Boone | 24,700 | Community | Groundwater |
| Boone County Pwsd 9 | Boone | 15,035 | Community | Groundwater |
| Boone County Pwsd 4 | Boone | 6,455 | Community | Groundwater |
| Ashland Pws | Boone | 4,999 | 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, “Centralia Pws, PWSID MO3010152, Missouri”, https://aquacensus.com/water-systems/missouri/centralia-pws-mo3010152 (data as of October 1, 2026).