Public water system · MS0820003
ActiveCasey Jones Water Assn.
At a glance
Casey Jones Water Assn. (PWSID MS0820003) is an active community water system in Yazoo County, Mississippi. It reports serving 1,146 people through 434 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,146
Service connections
434
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Casey Jones Water Assn. compare with other water systems in Yazoo County?
By EPA's size categories, Casey Jones Water Assn. is a small system (501 to 3,300 people). Yazoo County has 18 active public water systems. Its population served is about 18% below the county average of 1,394 people per system, and accounts for 4.6% of the 25,085 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 Casey Jones Water Assn. 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. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,053 Mississippi systems (93%) list groundwater as their primary source.
Who owns and regulates Casey Jones Water Assn.?
EPA lists Casey Jones Water Assn. 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. 13 of the 18 active systems in Yazoo County (72%) are also under public/private ownership.
Does Casey Jones Water Assn. have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2021. The violations listed here began between July 2011 and April 2021. By type: 11 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Radium-228 (4 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 |
|---|---|---|---|---|
| 2021-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | 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 |
| 2012-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2011-12-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | 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.
Casey Jones Water Assn.: frequently asked questions
Who runs Casey Jones Water Assn.?
Casey Jones Water Assn. (PWSID MS0820003) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Casey Jones Water Assn. serve?
Casey Jones Water Assn. reports serving 1,146 people through 434 service connections in Yazoo County, Mississippi.
Where does Casey Jones Water Assn. 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 Casey Jones Water Assn. have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2021. 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 Casey Jones Water Assn.'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, one is health-based, and the most recent began in April 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Casey Jones Water Assn.'s water quality report?
As a community water system, Casey Jones Water Assn. 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 Yazoo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Yazoo City | Yazoo | 9,913 | Community | Groundwater |
| Central Yazoo #1 Fletchers Ch. | Yazoo | 2,482 | Community | Groundwater |
| Central Yazoo #3 Mechanicsbrg | Yazoo | 1,927 | Community | Groundwater |
| Central Yazoo W/A #5 | Yazoo | 1,618 | Community | Groundwater |
| Hilton Heights Water Assn #1 | Yazoo | 1,336 | Community | Groundwater |
| Central Yazoo #4-Benton | Yazoo | 1,225 | 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, “Casey Jones Water Assn., PWSID MS0820003, Mississippi”, https://aquacensus.com/water-systems/mississippi/casey-jones-water-assn-ms0820003 (data as of October 1, 2026).