Public water system · MO1010161
ActiveChilhowee Pws
At a glance
Chilhowee Pws (PWSID MO1010161) is an active community water system in Johnson County, Missouri. It reports serving 382 people through 123 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
382
Service connections
123
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Chilhowee Pws compare with other water systems in Johnson County?
By EPA's size categories, Chilhowee Pws is a very small system (500 people or fewer). Johnson County has 15 active public water systems. Its population served is well below the county average of 3,883 people per system, and accounts for 0.7% of the 58,237 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 Chilhowee Pws 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 177 Missouri systems (6%) list purchased groundwater as their primary source.
Who owns and regulates Chilhowee Pws?
EPA lists Chilhowee 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. 10 of the 15 active systems in Johnson County (67%) are also owned by a local government.
Does Chilhowee Pws have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2012. The violations listed here began between January 1994 and May 2012. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate-Nitrite (2 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 |
|---|---|---|---|---|
| 2012-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | 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.
Chilhowee Pws: frequently asked questions
Who runs Chilhowee Pws?
Chilhowee Pws (PWSID MO1010161) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Chilhowee Pws serve?
Chilhowee Pws reports serving 382 people through 123 service connections in Johnson County, Missouri.
Where does Chilhowee Pws get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Chilhowee Pws have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2012. 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 Chilhowee 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Chilhowee Pws' water quality report?
As a community water system, Chilhowee 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 Johnson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mo American Warrensburg | Johnson | 18,500 | Community | Groundwater |
| Johnson County Pwsd 2 | Johnson | 12,490 | Community | Groundwater |
| Whiteman Air Base | Johnson | 10,106 | Community | Groundwater |
| Johnson County Pwsd 3 | Johnson | 4,700 | Community | Groundwater |
| Johnson County Pwsd 1 | Johnson | 3,730 | Community | Groundwater |
| Knob Noster Pws | Johnson | 2,863 | 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, “Chilhowee Pws, PWSID MO1010161, Missouri”, https://aquacensus.com/water-systems/missouri/chilhowee-pws-mo1010161 (data as of October 1, 2026).