Public water system · MS0480019
ActiveCason Water Association
At a glance
Cason Water Association (PWSID MS0480019) is an active community water system in Monroe County, Mississippi. It reports serving 4,570 people through 1,731 service connections. Its primary water source is purchased surface water, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,570
Service connections
1,731
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Cason Water Association compare with other water systems in Monroe County?
By EPA's size categories, Cason Water Association is a medium system (3,301 to 10,000 people). Monroe County has 13 active public water systems, and Cason Water Association is the 3rd-largest of them by population served. Its population served is about 44% above the county average of 3,174 people per system, and accounts for 11% of the 41,263 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active community water system reports serving 6,703 people, so Cason Water Association is about 32% 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. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 10 Mississippi systems (0.9%) list purchased surface water as their primary source.
Who owns and regulates Cason Water Association?
EPA lists Cason Water Association as under public/private ownership. The MS 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 13 active systems in Monroe County (54%) are also under public/private ownership.
Does Cason Water Association have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. The violations listed here began between July 2012 and October 2025. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Radium-226 (4 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | 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.
Cason Water Association: frequently asked questions
Who runs Cason Water Association?
Cason Water Association (PWSID MS0480019) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Cason Water Association serve?
Cason Water Association reports serving 4,570 people through 1,731 service connections in Monroe County, Mississippi.
Where does Cason Water Association 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 Cason Water Association 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 October 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 Cason Water Association'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, none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Cason Water Association's water quality report?
As a community water system, Cason Water Association 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 Monroe County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Amory | Monroe | 9,350 | Community | Groundwater |
| Town of Aberdeen | Monroe | 7,783 | Community | Groundwater |
| Hamilton Water District | Monroe | 4,029 | Community | Groundwater |
| Quincy Water Association #1 | Monroe | 3,519 | Community | Groundwater |
| Wren W/A | Monroe | 3,068 | Community | Groundwater |
| Town of Smithville | Monroe | 2,062 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Cason Water Association, PWSID MS0480019, Mississippi”, https://aquacensus.com/water-systems/mississippi/cason-water-association-ms0480019 (data as of October 1, 2026).