Public water system · MO1036172
ActiveNw Cass County Water Resource District
At a glance
Nw Cass County Water Resource District (PWSID MO1036172) is an active community water system in Cass County, Missouri. It reports serving 1,138 people through 507 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,138
Service connections
507
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Nw Cass County Water Resource District compare with other water systems in Cass County?
By EPA's size categories, Nw Cass County Water Resource District is a small system (501 to 3,300 people). Cass County has 31 active public water systems. Its population served is well below the county average of 21,480 people per system, and accounts for 0.2% of the 665,874 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 Nw Cass County Water Resource District 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 surface water means the system buys surface water from another public water system rather than drawing its own. 179 Missouri systems (6.1%) list purchased surface water as their primary source.
Who owns and regulates Nw Cass County Water Resource District?
EPA lists Nw Cass County Water Resource District 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. 7 of the 31 active systems in Cass County (23%) are also privately owned.
Does Nw Cass County Water Resource District have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2013. The violations listed here began between May 1998 and July 2013. By type: 4 public notice, recordkeeping or other and 3 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1998-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Nw Cass County Water Resource District: frequently asked questions
Who runs Nw Cass County Water Resource District?
Nw Cass County Water Resource District (PWSID MO1036172) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Nw Cass County Water Resource District serve?
Nw Cass County Water Resource District reports serving 1,138 people through 507 service connections in Cass County, Missouri.
Where does Nw Cass County Water Resource District get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Nw Cass County Water Resource District have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2013. 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 Nw Cass County Water Resource District'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 7 violations for this system; none is health-based, and the most recent began in July 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Nw Cass County Water Resource District's water quality report?
As a community water system, Nw Cass County Water Resource District 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 Cass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kansas City Pws | Cass + 4 more | 553,295 | Community | Surface water |
| Belton Pws | Cass | 23,598 | Community | Purchased surface water |
| Raymore Pws | Cass | 21,517 | Community | Purchased surface water |
| Harrisonville Pws | Cass | 10,019 | Community | Surface water |
| Pleasant Hill Pws | Cass | 8,262 | Community | Purchased surface water |
| Peculiar Pws | Cass | 6,226 | Community | Purchased surface water |
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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, “Nw Cass County Water Resource District, PWSID MO1036172, Missouri”, https://aquacensus.com/water-systems/missouri/nw-cass-county-water-resource-district-mo1036172 (data as of October 1, 2026).